diff --git a/pkg/api/api.go b/pkg/api/api.go
index 55d218a1d06..dee4f01541e 100644
--- a/pkg/api/api.go
+++ b/pkg/api/api.go
@@ -60,7 +60,7 @@ func (hs *HTTPServer) registerRoutes() {
 	reqSnapshotPublicModeOrSignedIn := middleware.SnapshotPublicModeOrSignedIn(hs.Cfg)
 	redirectFromLegacyPanelEditURL := middleware.RedirectFromLegacyPanelEditURL(hs.Cfg)
 	authorize := ac.Middleware(hs.AccessControl)
-	authorizeInOrg := ac.AuthorizeInOrgMiddleware(hs.AccessControl, hs.accesscontrolService, hs.userService, hs.teamService)
+	authorizeInOrg := ac.AuthorizeInOrgMiddleware(hs.AccessControl, hs.authnService)
 	quota := middleware.Quota(hs.QuotaService)
 
 	r := hs.RouteRegister
diff --git a/pkg/api/org_test.go b/pkg/api/org_test.go
index 48ec23aab37..39acc89cbd2 100644
--- a/pkg/api/org_test.go
+++ b/pkg/api/org_test.go
@@ -5,6 +5,9 @@ import (
 	"strings"
 	"testing"
 
+	"github.com/grafana/grafana/pkg/services/authn"
+	"github.com/grafana/grafana/pkg/services/authn/authntest"
+
 	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/require"
 
@@ -136,6 +139,11 @@ func TestAPIEndpoint_UpdateOrg(t *testing.T) {
 					ExpectedSignedInUser: &user.SignedInUser{OrgID: tt.targetOrgID},
 				}
 				hs.accesscontrolService = actest.FakeService{}
+				hs.authnService = &authntest.FakeService{
+					ExpectedIdentity: &authn.Identity{
+						OrgID: tt.targetOrgID,
+					},
+				}
 			})
 
 			req := webtest.RequestWithSignedInUser(server.NewRequest(http.MethodPut, tt.path, strings.NewReader(tt.body)), userWithPermissions(1, tt.permission))
@@ -209,11 +217,22 @@ func TestAPIEndpoint_DeleteOrgs(t *testing.T) {
 
 	for _, tt := range tests {
 		t.Run(tt.desc, func(t *testing.T) {
+			expectedIdentity := &authn.Identity{
+				OrgID: 1,
+				Permissions: map[int64]map[string][]string{
+					1: accesscontrol.GroupScopesByAction(tt.permission),
+				},
+			}
+
 			server := SetupAPITestServer(t, func(hs *HTTPServer) {
 				hs.Cfg = setting.NewCfg()
 				hs.orgService = &orgtest.FakeOrgService{ExpectedOrg: &org.Org{}}
 				hs.userService = &usertest.FakeUserService{ExpectedSignedInUser: &user.SignedInUser{OrgID: 1}}
 				hs.accesscontrolService = actest.FakeService{ExpectedPermissions: tt.permission}
+				hs.authnService = &authntest.FakeService{}
+				hs.authnService = &authntest.FakeService{
+					ExpectedIdentity: expectedIdentity,
+				}
 			})
 
 			req := webtest.RequestWithSignedInUser(server.NewRequest(http.MethodDelete, "/api/orgs/1", nil), userWithPermissions(2, nil))
@@ -246,11 +265,23 @@ func TestAPIEndpoint_GetOrg(t *testing.T) {
 
 	for _, tt := range tests {
 		t.Run(tt.desc, func(t *testing.T) {
+			expectedIdentity := &authn.Identity{
+				ID:    "user:1",
+				OrgID: 1,
+				Permissions: map[int64]map[string][]string{
+					0: accesscontrol.GroupScopesByAction(tt.permissions),
+					1: accesscontrol.GroupScopesByAction(tt.permissions),
+				},
+			}
+
 			server := SetupAPITestServer(t, func(hs *HTTPServer) {
 				hs.Cfg = setting.NewCfg()
 				hs.orgService = &orgtest.FakeOrgService{ExpectedOrg: &org.Org{}}
 				hs.userService = &usertest.FakeUserService{ExpectedSignedInUser: &user.SignedInUser{OrgID: 1}}
 				hs.accesscontrolService = &actest.FakeService{ExpectedPermissions: tt.permissions}
+				hs.authnService = &authntest.FakeService{
+					ExpectedIdentity: expectedIdentity,
+				}
 			})
 			verify := func(path string) {
 				req := webtest.RequestWithSignedInUser(server.NewGetRequest(path), authedUserWithPermissions(1, 1, tt.permissions))
diff --git a/pkg/api/plugins.go b/pkg/api/plugins.go
index 59209f44910..d7bc8f1fea2 100644
--- a/pkg/api/plugins.go
+++ b/pkg/api/plugins.go
@@ -539,7 +539,7 @@ func (hs *HTTPServer) hasPluginRequestedPermissions(c *contextmodel.ReqContext,
 
 	hs.log.Debug("check installer's permissions, plugin wants to register an external service")
 	evaluator := evalAllPermissions(plugin.JSONData.IAM.Permissions)
-	hasAccess := ac.HasGlobalAccess(hs.AccessControl, hs.accesscontrolService, c)
+	hasAccess := ac.HasGlobalAccess(hs.AccessControl, hs.authnService, c)
 	if hs.Cfg.RBACSingleOrganization {
 		// In a single organization setup, no need for a global check
 		hasAccess = ac.HasAccess(hs.AccessControl, c)
diff --git a/pkg/api/plugins_test.go b/pkg/api/plugins_test.go
index 9fdcf916ebc..4731b2fb032 100644
--- a/pkg/api/plugins_test.go
+++ b/pkg/api/plugins_test.go
@@ -12,12 +12,12 @@ import (
 	"strings"
 	"testing"
 
-	"github.com/grafana/grafana-plugin-sdk-go/backend"
 	"github.com/prometheus/client_golang/prometheus"
 	dto "github.com/prometheus/client_model/go"
 	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/require"
 
+	"github.com/grafana/grafana-plugin-sdk-go/backend"
 	"github.com/grafana/grafana/pkg/api/dtos"
 	"github.com/grafana/grafana/pkg/infra/log"
 	"github.com/grafana/grafana/pkg/infra/log/logtest"
@@ -32,6 +32,8 @@ import (
 	ac "github.com/grafana/grafana/pkg/services/accesscontrol"
 	"github.com/grafana/grafana/pkg/services/accesscontrol/acimpl"
 	"github.com/grafana/grafana/pkg/services/accesscontrol/actest"
+	"github.com/grafana/grafana/pkg/services/authn"
+	"github.com/grafana/grafana/pkg/services/authn/authntest"
 	contextmodel "github.com/grafana/grafana/pkg/services/contexthandler/model"
 	"github.com/grafana/grafana/pkg/services/org"
 	"github.com/grafana/grafana/pkg/services/org/orgtest"
@@ -94,6 +96,16 @@ func Test_PluginsInstallAndUninstall(t *testing.T) {
 					ID: pluginID,
 				},
 			})
+
+			expectedIdentity := &authn.Identity{
+				OrgID:       tc.permissionOrg,
+				Permissions: map[int64]map[string][]string{},
+				OrgRoles:    map[int64]org.RoleType{},
+			}
+			expectedIdentity.Permissions[tc.permissionOrg] = ac.GroupScopesByAction(tc.permissions)
+			hs.authnService = &authntest.FakeService{
+				ExpectedIdentity: expectedIdentity,
+			}
 		})
 
 		t.Run(testName("Install", tc), func(t *testing.T) {
@@ -734,6 +746,14 @@ func TestHTTPServer_hasPluginRequestedPermissions(t *testing.T) {
 			hs.accesscontrolService = actest.FakeService{}
 			hs.AccessControl = acimpl.ProvideAccessControl(hs.Cfg)
 
+			expectedIdentity := &authn.Identity{
+				OrgID:       tt.orgID,
+				Permissions: tt.permissions,
+			}
+			hs.authnService = &authntest.FakeService{
+				ExpectedIdentity: expectedIdentity,
+			}
+
 			c := &contextmodel.ReqContext{
 				Context:      &web.Context{Req: httpReq},
 				SignedInUser: &user.SignedInUser{OrgID: tt.orgID, Permissions: tt.permissions},
diff --git a/pkg/api/quota_test.go b/pkg/api/quota_test.go
index b5ea62293f0..09609b127cf 100644
--- a/pkg/api/quota_test.go
+++ b/pkg/api/quota_test.go
@@ -6,6 +6,9 @@ import (
 	"strings"
 	"testing"
 
+	"github.com/grafana/grafana/pkg/services/authn"
+	"github.com/grafana/grafana/pkg/services/authn/authntest"
+
 	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/require"
 
@@ -67,6 +70,9 @@ func TestAPIEndpoint_GetOrgQuotas(t *testing.T) {
 		hs.userService = &usertest.FakeUserService{
 			ExpectedSignedInUser: &user.SignedInUser{OrgID: 2},
 		}
+		hs.authnService = &authntest.FakeService{
+			ExpectedIdentity: &authn.Identity{OrgID: 1},
+		}
 	})
 
 	t.Run("AccessControl allows viewing another org quotas with correct permissions", func(t *testing.T) {
@@ -96,60 +102,88 @@ func TestAPIEndpoint_GetOrgQuotas(t *testing.T) {
 }
 
 func TestAPIEndpoint_PutOrgQuotas(t *testing.T) {
-	cfg := setting.NewCfg()
-	cfg.Quota = setting.QuotaSettings{
-		Enabled: true,
-		Global: setting.GlobalQuota{
-			Org: 5,
+	type testCase struct {
+		desc         string
+		userOrg      int64
+		targetOrg    int64
+		permissions  map[int64][]accesscontrol.Permission
+		expectedCode int
+	}
+
+	tests := []testCase{
+		{
+			desc:         "AccessControl allows updating another org quotas with correct permissions",
+			userOrg:      1,
+			targetOrg:    2,
+			permissions:  map[int64][]accesscontrol.Permission{2: {{Action: accesscontrol.ActionOrgsQuotasWrite}}},
+			expectedCode: http.StatusOK,
 		},
-		Org: setting.OrgQuota{
-			User: 5,
+		{
+			desc:         "AccessControl prevents updating another org quotas with correct permissions in another org",
+			userOrg:      1,
+			targetOrg:    2,
+			permissions:  map[int64][]accesscontrol.Permission{1: {{Action: accesscontrol.ActionOrgsQuotasWrite}}},
+			expectedCode: http.StatusForbidden,
 		},
-		User: setting.UserQuota{
-			Org: 5,
+		{
+			desc:         "AccessControl prevents updating another org quotas with incorrect permissions",
+			userOrg:      2,
+			targetOrg:    2,
+			permissions:  map[int64][]accesscontrol.Permission{2: {{Action: "orgs:invalid"}}},
+			expectedCode: http.StatusForbidden,
 		},
 	}
-	fakeACService := &actest.FakeService{}
-	server := SetupAPITestServer(t, func(hs *HTTPServer) {
-		hs.Cfg = cfg
-		hs.accesscontrolService = fakeACService
-		hs.userService = &usertest.FakeUserService{
-			ExpectedSignedInUser: &user.SignedInUser{OrgID: 2},
-		}
-	})
 
-	input := strings.NewReader(testUpdateOrgQuotaCmd)
-	t.Run("AccessControl allows updating another org quotas with correct permissions", func(t *testing.T) {
-		user := userWithPermissions(2, []accesscontrol.Permission{{Action: accesscontrol.ActionOrgsQuotasWrite}})
-		user.OrgID = 1
-		fakeACService.ExpectedPermissions = []accesscontrol.Permission{{Action: accesscontrol.ActionOrgsQuotasWrite}}
-		req := webtest.RequestWithSignedInUser(server.NewRequest(http.MethodPut, fmt.Sprintf(putOrgsQuotasURL, 2, "org_user"), input), user)
-		response, err := server.SendJSON(req)
-		require.NoError(t, err)
-		assert.Equal(t, http.StatusOK, response.StatusCode)
-		require.NoError(t, response.Body.Close())
-	})
+	for _, tt := range tests {
+		t.Run(tt.desc, func(t *testing.T) {
+			cfg := setting.NewCfg()
+			cfg.Quota = setting.QuotaSettings{
+				Enabled: true,
+				Global: setting.GlobalQuota{
+					Org: 5,
+				},
+				Org: setting.OrgQuota{
+					User: 5,
+				},
+				User: setting.UserQuota{
+					Org: 5,
+				},
+			}
+			fakeACService := &actest.FakeService{}
+			input := strings.NewReader(testUpdateOrgQuotaCmd)
+			expectedIdentity := &authn.Identity{
+				OrgID:       tt.userOrg,
+				Permissions: map[int64]map[string][]string{},
+			}
+			for orgID, permissions := range tt.permissions {
+				expectedIdentity.Permissions[orgID] = accesscontrol.GroupScopesByAction(permissions)
+			}
 
-	input = strings.NewReader(testUpdateOrgQuotaCmd)
-	t.Run("AccessControl prevents updating another org quotas with correct permissions in another org", func(t *testing.T) {
-		user := userWithPermissions(1, []accesscontrol.Permission{{Action: accesscontrol.ActionOrgsQuotasWrite}})
-		user.Permissions[2] = nil
-		fakeACService.ExpectedPermissions = []accesscontrol.Permission{}
-		req := webtest.RequestWithSignedInUser(server.NewRequest(http.MethodPut, fmt.Sprintf(putOrgsQuotasURL, 2, "org_user"), input), user)
-		response, err := server.SendJSON(req)
-		require.NoError(t, err)
-		assert.Equal(t, http.StatusForbidden, response.StatusCode)
-		require.NoError(t, response.Body.Close())
-	})
+			server := SetupAPITestServer(t, func(hs *HTTPServer) {
+				hs.Cfg = cfg
+				hs.accesscontrolService = fakeACService
+				hs.userService = &usertest.FakeUserService{
+					ExpectedSignedInUser: &user.SignedInUser{OrgID: tt.userOrg},
+				}
+				hs.authnService = &authntest.FakeService{
+					ExpectedIdentity: expectedIdentity,
+				}
+			})
 
-	input = strings.NewReader(testUpdateOrgQuotaCmd)
-	t.Run("AccessControl prevents updating another org quotas with incorrect permissions", func(t *testing.T) {
-		user := userWithPermissions(2, []accesscontrol.Permission{{Action: "orgs:invalid"}})
-		fakeACService.ExpectedPermissions = []accesscontrol.Permission{}
-		req := webtest.RequestWithSignedInUser(server.NewRequest(http.MethodPut, fmt.Sprintf(putOrgsQuotasURL, 2, "org_user"), input), user)
-		response, err := server.SendJSON(req)
-		require.NoError(t, err)
-		assert.Equal(t, http.StatusForbidden, response.StatusCode)
-		require.NoError(t, response.Body.Close())
-	})
+			user := userWithPermissions(tt.userOrg, getFirstOrgPermissions(tt.permissions))
+			fakeACService.ExpectedPermissions = []accesscontrol.Permission{{Action: accesscontrol.ActionOrgsQuotasWrite}}
+			req := webtest.RequestWithSignedInUser(server.NewRequest(http.MethodPut, fmt.Sprintf(putOrgsQuotasURL, tt.targetOrg, "org_user"), input), user)
+			response, err := server.SendJSON(req)
+			require.NoError(t, err)
+			assert.Equal(t, tt.expectedCode, response.StatusCode)
+			require.NoError(t, response.Body.Close())
+		})
+	}
+}
+
+func getFirstOrgPermissions(p map[int64][]accesscontrol.Permission) []accesscontrol.Permission {
+	for _, permissions := range p {
+		return permissions
+	}
+	return []accesscontrol.Permission{}
 }
diff --git a/pkg/services/accesscontrol/accesscontrol.go b/pkg/services/accesscontrol/accesscontrol.go
index 97672df2c9b..1c5a241a5a1 100644
--- a/pkg/services/accesscontrol/accesscontrol.go
+++ b/pkg/services/accesscontrol/accesscontrol.go
@@ -9,6 +9,7 @@ import (
 
 	"github.com/grafana/grafana/pkg/registry"
 	"github.com/grafana/grafana/pkg/services/auth/identity"
+	"github.com/grafana/grafana/pkg/services/authn"
 	contextmodel "github.com/grafana/grafana/pkg/services/contexthandler/model"
 	"github.com/grafana/grafana/pkg/services/org"
 	"github.com/grafana/grafana/pkg/services/user"
@@ -28,8 +29,6 @@ type Service interface {
 	GetRoleByName(ctx context.Context, orgID int64, roleName string) (*RoleDTO, error)
 	// GetUserPermissions returns user permissions with only action and scope fields set.
 	GetUserPermissions(ctx context.Context, user identity.Requester, options Options) ([]Permission, error)
-	// GetUserPermissionsInOrg return user permission in a specific organization
-	GetUserPermissionsInOrg(ctx context.Context, user identity.Requester, orgID int64) ([]Permission, error)
 	// SearchUsersPermissions returns all users' permissions filtered by an action prefix
 	SearchUsersPermissions(ctx context.Context, user identity.Requester, options SearchOptions) (map[int64][]Permission, error)
 	// ClearUserPermissionCache removes the permission cache entry for the given user
@@ -171,22 +170,26 @@ type User struct {
 }
 
 // HasGlobalAccess checks user access with globally assigned permissions only
-func HasGlobalAccess(ac AccessControl, service Service, c *contextmodel.ReqContext) func(evaluator Evaluator) bool {
+func HasGlobalAccess(ac AccessControl, authnService authn.Service, c *contextmodel.ReqContext) func(evaluator Evaluator) bool {
 	return func(evaluator Evaluator) bool {
 		var targetOrgID int64 = GlobalOrgID
-		tmpUser, err := makeTmpUser(c.Req.Context(), service, nil, nil, c.SignedInUser, targetOrgID)
+		orgUser, err := authnService.ResolveIdentity(c.Req.Context(), targetOrgID, c.SignedInUser.GetID())
 		if err != nil {
 			deny(c, nil, fmt.Errorf("failed to authenticate user in target org: %w", err))
 		}
 
-		hasAccess, err := ac.Evaluate(c.Req.Context(), tmpUser, evaluator)
+		hasAccess, err := ac.Evaluate(c.Req.Context(), orgUser, evaluator)
 		if err != nil {
 			c.Logger.Error("Error from access control system", "error", err)
 			return false
 		}
 
+		// guard against nil map
+		if c.SignedInUser.Permissions == nil {
+			c.SignedInUser.Permissions = make(map[int64]map[string][]string)
+		}
 		// set on user so we don't fetch global permissions every time this is called
-		c.SignedInUser.Permissions[tmpUser.GetOrgID()] = tmpUser.GetPermissions()
+		c.SignedInUser.Permissions[orgUser.GetOrgID()] = orgUser.GetPermissions()
 
 		return hasAccess
 	}
diff --git a/pkg/services/accesscontrol/acimpl/service.go b/pkg/services/accesscontrol/acimpl/service.go
index 3a20e60f79c..0e094ac5340 100644
--- a/pkg/services/accesscontrol/acimpl/service.go
+++ b/pkg/services/accesscontrol/acimpl/service.go
@@ -23,7 +23,6 @@ import (
 	"github.com/grafana/grafana/pkg/services/accesscontrol/migrator"
 	"github.com/grafana/grafana/pkg/services/accesscontrol/pluginutils"
 	"github.com/grafana/grafana/pkg/services/auth/identity"
-	"github.com/grafana/grafana/pkg/services/authn"
 	"github.com/grafana/grafana/pkg/services/dashboards"
 	"github.com/grafana/grafana/pkg/services/featuremgmt"
 	"github.com/grafana/grafana/pkg/services/folder"
@@ -161,48 +160,6 @@ func (s *Service) getCachedUserPermissions(ctx context.Context, user identity.Re
 	return permissions, nil
 }
 
-func (s *Service) GetUserPermissionsInOrg(ctx context.Context, user identity.Requester, orgID int64) ([]accesscontrol.Permission, error) {
-	permissions := make([]accesscontrol.Permission, 0)
-
-	if s.features.IsEnabled(ctx, featuremgmt.FlagNestedFolders) {
-		permissions = append(permissions, SharedWithMeFolderPermission)
-	}
-
-	namespace, id := user.GetNamespacedID()
-	userID, err := identity.UserIdentifier(namespace, id)
-	if err != nil {
-		return nil, err
-	}
-
-	// Get permissions for user's basic roles from RAM
-	roleList, err := s.store.GetUsersBasicRoles(ctx, []int64{userID}, orgID)
-	if err != nil {
-		return nil, fmt.Errorf("could not fetch basic roles for the user: %w", err)
-	}
-	var roles []string
-	var ok bool
-	if roles, ok = roleList[userID]; !ok {
-		return nil, fmt.Errorf("found no basic roles for user %d in organisation %d", userID, orgID)
-	}
-	for _, builtin := range roles {
-		if basicRole, ok := s.roles[builtin]; ok {
-			permissions = append(permissions, basicRole.Permissions...)
-		}
-	}
-
-	dbPermissions, err := s.store.SearchUsersPermissions(ctx, orgID, accesscontrol.SearchOptions{
-		NamespacedID: authn.NamespacedID(namespace, userID),
-		// Query only basic, managed and plugin roles in OSS
-		RolePrefixes: OSSRolesPrefixes,
-	})
-	if err != nil {
-		return nil, err
-	}
-
-	userPermissions := dbPermissions[userID]
-	return append(permissions, userPermissions...), nil
-}
-
 func (s *Service) ClearUserPermissionCache(user identity.Requester) {
 	s.cache.Delete(permissionCacheKey(user))
 }
diff --git a/pkg/services/accesscontrol/acimpl/service_test.go b/pkg/services/accesscontrol/acimpl/service_test.go
index bce637ef848..3e9a1a0fc34 100644
--- a/pkg/services/accesscontrol/acimpl/service_test.go
+++ b/pkg/services/accesscontrol/acimpl/service_test.go
@@ -943,59 +943,3 @@ func TestService_DeleteExternalServiceRole(t *testing.T) {
 		})
 	}
 }
-
-func TestService_GetUserPermissionsInOrg(t *testing.T) {
-	tests := []struct {
-		name        string
-		orgID       int64
-		ramRoles    map[string]*accesscontrol.RoleDTO    // BasicRole => RBAC BasicRole
-		storedPerms map[int64][]accesscontrol.Permission // UserID => Permissions
-		storedRoles map[int64][]string                   // UserID => Roles
-		want        []accesscontrol.Permission
-	}{
-		{
-			name:  "should get correct permissions from another org",
-			orgID: 2,
-			ramRoles: map[string]*accesscontrol.RoleDTO{
-				string(roletype.RoleEditor): {Permissions: []accesscontrol.Permission{}},
-				string(roletype.RoleAdmin): {Permissions: []accesscontrol.Permission{
-					{Action: accesscontrol.ActionTeamsRead, Scope: "teams:*"},
-				}},
-			},
-			storedPerms: map[int64][]accesscontrol.Permission{
-				1: {
-					{Action: accesscontrol.ActionTeamsRead, Scope: "teams:id:1"},
-					{Action: accesscontrol.ActionTeamsPermissionsRead, Scope: "teams:id:1"},
-				},
-				2: {
-					{Action: accesscontrol.ActionTeamsRead, Scope: "teams:id:2"},
-				},
-			},
-			storedRoles: map[int64][]string{
-				1: {string(roletype.RoleAdmin)},
-				2: {string(roletype.RoleEditor)},
-			},
-			want: []accesscontrol.Permission{
-				{Action: accesscontrol.ActionTeamsRead, Scope: "teams:id:2"},
-			},
-		},
-	}
-	for _, tt := range tests {
-		t.Run(tt.name, func(t *testing.T) {
-			ctx := context.Background()
-			ac := setupTestEnv(t)
-
-			ac.roles = tt.ramRoles
-			ac.store = actest.FakeStore{
-				ExpectedUsersPermissions: tt.storedPerms,
-				ExpectedUsersRoles:       tt.storedRoles,
-			}
-			user := &user.SignedInUser{OrgID: 1, UserID: 2}
-
-			got, err := ac.GetUserPermissionsInOrg(ctx, user, 2)
-			require.Nil(t, err)
-
-			assert.ElementsMatch(t, got, tt.want)
-		})
-	}
-}
diff --git a/pkg/services/accesscontrol/actest/fake.go b/pkg/services/accesscontrol/actest/fake.go
index 21698bd410a..12e4330fee8 100644
--- a/pkg/services/accesscontrol/actest/fake.go
+++ b/pkg/services/accesscontrol/actest/fake.go
@@ -27,10 +27,6 @@ func (f FakeService) GetUserPermissions(ctx context.Context, user identity.Reque
 	return f.ExpectedPermissions, f.ExpectedErr
 }
 
-func (f FakeService) GetUserPermissionsInOrg(ctx context.Context, user identity.Requester, orgID int64) ([]accesscontrol.Permission, error) {
-	return f.ExpectedPermissions, f.ExpectedErr
-}
-
 func (f FakeService) SearchUsersPermissions(ctx context.Context, user identity.Requester, options accesscontrol.SearchOptions) (map[int64][]accesscontrol.Permission, error) {
 	return f.ExpectedUsersPermissions, f.ExpectedErr
 }
diff --git a/pkg/services/accesscontrol/authorize_in_org_test.go b/pkg/services/accesscontrol/authorize_in_org_test.go
index 8a9f6d2b814..81d53dab2b8 100644
--- a/pkg/services/accesscontrol/authorize_in_org_test.go
+++ b/pkg/services/accesscontrol/authorize_in_org_test.go
@@ -12,6 +12,8 @@ import (
 	"github.com/grafana/grafana/pkg/services/accesscontrol"
 	"github.com/grafana/grafana/pkg/services/accesscontrol/acimpl"
 	"github.com/grafana/grafana/pkg/services/accesscontrol/actest"
+	"github.com/grafana/grafana/pkg/services/authn"
+	"github.com/grafana/grafana/pkg/services/authn/authntest"
 	contextmodel "github.com/grafana/grafana/pkg/services/contexthandler/model"
 	"github.com/grafana/grafana/pkg/services/team"
 	"github.com/grafana/grafana/pkg/services/team/teamtest"
@@ -27,141 +29,102 @@ func TestAuthorizeInOrgMiddleware(t *testing.T) {
 
 	// Define test cases
 	testCases := []struct {
-		name            string
-		orgIDGetter     accesscontrol.OrgIDGetter
-		evaluator       accesscontrol.Evaluator
-		accessControl   accesscontrol.AccessControl
-		acService       accesscontrol.Service
-		userCache       user.Service
-		ctxSignedInUser *user.SignedInUser
-		teamService     team.Service
-		expectedStatus  int
+		name                 string
+		targetOrgId          int64
+		targerOrgPermissions []accesscontrol.Permission
+		orgIDGetter          accesscontrol.OrgIDGetter
+		evaluator            accesscontrol.Evaluator
+		accessControl        accesscontrol.AccessControl
+		acService            accesscontrol.Service
+		userCache            user.Service
+		ctxSignedInUser      *user.SignedInUser
+		teamService          team.Service
+		expectedStatus       int
 	}{
 		{
-			name: "should authorize user with global org ID - fetch",
-			orgIDGetter: func(c *contextmodel.ReqContext) (int64, error) {
-				return accesscontrol.GlobalOrgID, nil
-			},
-			evaluator:       accesscontrol.EvalPermission("users:read", "users:*"),
-			accessControl:   ac,
-			userCache:       &usertest.FakeUserService{},
-			ctxSignedInUser: &user.SignedInUser{UserID: 1, OrgID: 1, Permissions: map[int64]map[string][]string{1: {"users:read": {"users:*"}}}},
-			acService: &actest.FakeService{
-				ExpectedPermissions: []accesscontrol.Permission{{Action: "users:read", Scope: "users:*"}},
-			},
-			teamService:    &teamtest.FakeService{},
-			expectedStatus: http.StatusOK,
+			name:                 "should authorize user with global org ID - fetch",
+			targetOrgId:          accesscontrol.GlobalOrgID,
+			evaluator:            accesscontrol.EvalPermission("users:read", "users:*"),
+			accessControl:        ac,
+			userCache:            &usertest.FakeUserService{},
+			ctxSignedInUser:      &user.SignedInUser{UserID: 1, OrgID: 1, Permissions: map[int64]map[string][]string{1: {"users:read": {"users:*"}}}},
+			targerOrgPermissions: []accesscontrol.Permission{{Action: "users:read", Scope: "users:*"}},
+			teamService:          &teamtest.FakeService{},
+			expectedStatus:       http.StatusOK,
 		},
 		{
-			name: "should authorize user with non-global org ID - no fetch",
-			orgIDGetter: func(c *contextmodel.ReqContext) (int64, error) {
-				return 1, nil
-			},
-			evaluator:       accesscontrol.EvalPermission("users:read", "users:*"),
-			accessControl:   ac,
-			acService:       &actest.FakeService{},
-			userCache:       &usertest.FakeUserService{},
-			ctxSignedInUser: &user.SignedInUser{UserID: 1, OrgID: 1, Permissions: map[int64]map[string][]string{1: {"users:read": {"users:*"}}}},
-			teamService:     &teamtest.FakeService{},
-			expectedStatus:  http.StatusOK,
+			name:                 "should authorize user with non-global org ID - no fetch",
+			targetOrgId:          1,
+			targerOrgPermissions: []accesscontrol.Permission{{Action: "users:read", Scope: "users:*"}},
+			evaluator:            accesscontrol.EvalPermission("users:read", "users:*"),
+			accessControl:        ac,
+			userCache:            &usertest.FakeUserService{},
+			ctxSignedInUser:      &user.SignedInUser{UserID: 1, OrgID: 1, Permissions: map[int64]map[string][]string{1: {"users:read": {"users:*"}}}},
+			teamService:          &teamtest.FakeService{},
+			expectedStatus:       http.StatusOK,
 		},
 		{
-			name: "should return 403 when user has no permissions for the org",
-			orgIDGetter: func(c *contextmodel.ReqContext) (int64, error) {
-				return 1, nil
-			},
-			evaluator:       accesscontrol.EvalPermission("users:read", "users:*"),
-			accessControl:   ac,
-			userCache:       &usertest.FakeUserService{},
-			ctxSignedInUser: &user.SignedInUser{UserID: 1, OrgID: 1, Permissions: map[int64]map[string][]string{}},
-			teamService:     &teamtest.FakeService{},
-			acService:       &actest.FakeService{},
-			expectedStatus:  http.StatusForbidden,
+			name:                 "should return 403 when user has no permissions for the org",
+			targetOrgId:          1,
+			targerOrgPermissions: []accesscontrol.Permission{},
+			evaluator:            accesscontrol.EvalPermission("users:read", "users:*"),
+			accessControl:        ac,
+			userCache:            &usertest.FakeUserService{},
+			ctxSignedInUser:      &user.SignedInUser{UserID: 1, OrgID: 1, Permissions: map[int64]map[string][]string{}},
+			teamService:          &teamtest.FakeService{},
+			expectedStatus:       http.StatusForbidden,
 		},
 		{
-			name: "should return 200 when user has permissions for a global org",
-			orgIDGetter: func(c *contextmodel.ReqContext) (int64, error) {
-				return accesscontrol.GlobalOrgID, nil
-			},
-			evaluator:       accesscontrol.EvalPermission("users:read", "users:*"),
-			accessControl:   ac,
-			userCache:       &usertest.FakeUserService{},
-			ctxSignedInUser: &user.SignedInUser{UserID: 1, OrgID: 1, Permissions: map[int64]map[string][]string{1: {"users:read": {"users:*"}}}},
-			teamService:     &teamtest.FakeService{},
-			acService: &actest.FakeService{
-				ExpectedPermissions: []accesscontrol.Permission{{Action: "users:read", Scope: "users:*"}},
-			},
-			expectedStatus: http.StatusOK,
+			name:                 "should return 200 when user has permissions for a global org",
+			targetOrgId:          accesscontrol.GlobalOrgID,
+			targerOrgPermissions: []accesscontrol.Permission{{Action: "users:read", Scope: "users:*"}},
+			evaluator:            accesscontrol.EvalPermission("users:read", "users:*"),
+			accessControl:        ac,
+			userCache:            &usertest.FakeUserService{},
+			ctxSignedInUser:      &user.SignedInUser{UserID: 1, OrgID: 1, Permissions: map[int64]map[string][]string{1: {"users:read": {"users:*"}}}},
+			teamService:          &teamtest.FakeService{},
+			expectedStatus:       http.StatusOK,
 		},
 		{
-			name: "should return 403 when user has no permissions for a global org",
-			orgIDGetter: func(c *contextmodel.ReqContext) (int64, error) {
-				return accesscontrol.GlobalOrgID, nil
-			},
-			evaluator:       accesscontrol.EvalPermission("users:read", "users:*"),
-			accessControl:   ac,
-			userCache:       &usertest.FakeUserService{},
-			ctxSignedInUser: &user.SignedInUser{UserID: 1, OrgID: 1, Permissions: map[int64]map[string][]string{1: {"users:read": {"users:*"}}}},
-			teamService:     &teamtest.FakeService{},
-			acService:       &actest.FakeService{},
-			expectedStatus:  http.StatusForbidden,
+			name:                 "should return 403 when user has no permissions for a global org",
+			targetOrgId:          accesscontrol.GlobalOrgID,
+			targerOrgPermissions: []accesscontrol.Permission{},
+			evaluator:            accesscontrol.EvalPermission("users:read", "users:*"),
+			accessControl:        ac,
+			userCache:            &usertest.FakeUserService{},
+			ctxSignedInUser:      &user.SignedInUser{UserID: 1, OrgID: 1, Permissions: map[int64]map[string][]string{1: {"users:read": {"users:*"}}}},
+			teamService:          &teamtest.FakeService{},
+			expectedStatus:       http.StatusForbidden,
 		},
 		{
-			name: "should return 403 when user org ID doesn't match and user does not exist in org 2",
-			orgIDGetter: func(c *contextmodel.ReqContext) (int64, error) {
-				return 2, nil
-			},
-			evaluator:       accesscontrol.EvalPermission("users:read", "users:*"),
-			accessControl:   ac,
-			userCache:       &usertest.FakeUserService{ExpectedError: fmt.Errorf("user not found")},
-			acService:       &actest.FakeService{},
-			ctxSignedInUser: &user.SignedInUser{UserID: 1, OrgID: 1, Permissions: map[int64]map[string][]string{1: {"users:read": {"users:*"}}}},
-			teamService:     &teamtest.FakeService{},
-			expectedStatus:  http.StatusForbidden,
+			name:                 "should return 403 when user org ID doesn't match and user does not exist in org 2",
+			targetOrgId:          2,
+			targerOrgPermissions: []accesscontrol.Permission{},
+			evaluator:            accesscontrol.EvalPermission("users:read", "users:*"),
+			accessControl:        ac,
+			userCache:            &usertest.FakeUserService{ExpectedError: fmt.Errorf("user not found")},
+			ctxSignedInUser:      &user.SignedInUser{UserID: 1, OrgID: 1, Permissions: map[int64]map[string][]string{1: {"users:read": {"users:*"}}}},
+			teamService:          &teamtest.FakeService{},
+			expectedStatus:       http.StatusForbidden,
 		},
 		{
-			name: "should return 403 early when api key org ID doesn't match",
-			orgIDGetter: func(c *contextmodel.ReqContext) (int64, error) {
-				return 2, nil
-			},
-			evaluator:       accesscontrol.EvalPermission("users:read", "users:*"),
-			accessControl:   ac,
-			userCache:       &usertest.FakeUserService{},
-			acService:       &actest.FakeService{},
-			ctxSignedInUser: &user.SignedInUser{ApiKeyID: 1, OrgID: 1, Permissions: map[int64]map[string][]string{1: {"users:read": {"users:*"}}}},
-			teamService:     &teamtest.FakeService{},
-			expectedStatus:  http.StatusForbidden,
+			name:                 "should return 403 early when api key org ID doesn't match",
+			targetOrgId:          2,
+			targerOrgPermissions: []accesscontrol.Permission{},
+			evaluator:            accesscontrol.EvalPermission("users:read", "users:*"),
+			accessControl:        ac,
+			userCache:            &usertest.FakeUserService{},
+			ctxSignedInUser:      &user.SignedInUser{ApiKeyID: 1, OrgID: 1, Permissions: map[int64]map[string][]string{1: {"users:read": {"users:*"}}}},
+			teamService:          &teamtest.FakeService{},
+			expectedStatus:       http.StatusForbidden,
 		},
 		{
-			name: "should fetch user permissions when they are empty",
-			orgIDGetter: func(c *contextmodel.ReqContext) (int64, error) {
-				return 1, nil
-			},
-			evaluator:     accesscontrol.EvalPermission("users:read", "users:*"),
-			accessControl: ac,
-			acService: &actest.FakeService{
-				ExpectedPermissions: []accesscontrol.Permission{{Action: "users:read", Scope: "users:*"}},
-			},
-			teamService: &teamtest.FakeService{},
-			userCache: &usertest.FakeUserService{
-				GetSignedInUserFn: func(ctx context.Context, query *user.GetSignedInUserQuery) (*user.SignedInUser, error) {
-					return &user.SignedInUser{UserID: 1, OrgID: 1, Permissions: nil}, nil
-				},
-			},
-			ctxSignedInUser: &user.SignedInUser{UserID: 1, OrgID: 1, Permissions: nil},
-			expectedStatus:  http.StatusOK,
-		},
-		{
-			name: "should fetch user permissions when org ID doesn't match",
-			orgIDGetter: func(c *contextmodel.ReqContext) (int64, error) {
-				return 2, nil
-			},
-			evaluator:     accesscontrol.EvalPermission("users:read", "users:*"),
-			accessControl: ac,
-			teamService:   &teamtest.FakeService{},
-			acService: &actest.FakeService{
-				ExpectedPermissions: []accesscontrol.Permission{{Action: "users:read", Scope: "users:*"}},
-			},
+			name:                 "should fetch user permissions when org ID doesn't match",
+			targetOrgId:          2,
+			targerOrgPermissions: []accesscontrol.Permission{{Action: "users:read", Scope: "users:*"}},
+			evaluator:            accesscontrol.EvalPermission("users:read", "users:*"),
+			accessControl:        ac,
+			teamService:          &teamtest.FakeService{},
 			userCache: &usertest.FakeUserService{
 				GetSignedInUserFn: func(ctx context.Context, query *user.GetSignedInUserQuery) (*user.SignedInUser, error) {
 					return &user.SignedInUser{UserID: 1, OrgID: 2, Permissions: map[int64]map[string][]string{1: {"users:read": {"users:*"}}}}, nil
@@ -171,13 +134,12 @@ func TestAuthorizeInOrgMiddleware(t *testing.T) {
 			expectedStatus:  http.StatusOK,
 		},
 		{
-			name: "fails to fetch user permissions when org ID doesn't match",
-			orgIDGetter: func(c *contextmodel.ReqContext) (int64, error) {
-				return 2, nil
-			},
-			evaluator:     accesscontrol.EvalPermission("users:read", "users:*"),
-			accessControl: ac,
-			teamService:   &teamtest.FakeService{},
+			name:                 "fails to fetch user permissions when org ID doesn't match",
+			targetOrgId:          2,
+			targerOrgPermissions: []accesscontrol.Permission{},
+			evaluator:            accesscontrol.EvalPermission("users:read", "users:*"),
+			accessControl:        ac,
+			teamService:          &teamtest.FakeService{},
 			acService: &actest.FakeService{
 				ExpectedErr: fmt.Errorf("failed to get user permissions"),
 			},
@@ -196,22 +158,17 @@ func TestAuthorizeInOrgMiddleware(t *testing.T) {
 			},
 			evaluator:       accesscontrol.EvalPermission("users:read", "users:*"),
 			accessControl:   ac,
-			acService:       &actest.FakeService{},
 			userCache:       &usertest.FakeUserService{},
 			ctxSignedInUser: &user.SignedInUser{UserID: 1, OrgID: 1, Permissions: map[int64]map[string][]string{1: {"users:read": {"users:*"}}}},
 			teamService:     &teamtest.FakeService{},
 			expectedStatus:  http.StatusForbidden,
 		},
 		{
-			name: "should fetch global user permissions when user is not a member of the target org",
-			orgIDGetter: func(c *contextmodel.ReqContext) (int64, error) {
-				return 2, nil
-			},
-			evaluator:     accesscontrol.EvalPermission("users:read", "users:*"),
-			accessControl: ac,
-			acService: &actest.FakeService{
-				ExpectedPermissions: []accesscontrol.Permission{{Action: "users:read", Scope: "users:*"}},
-			},
+			name:                 "should fetch global user permissions when user is not a member of the target org",
+			targetOrgId:          2,
+			targerOrgPermissions: []accesscontrol.Permission{{Action: "users:read", Scope: "users:*"}},
+			evaluator:            accesscontrol.EvalPermission("users:read", "users:*"),
+			accessControl:        ac,
 			userCache: &usertest.FakeUserService{
 				GetSignedInUserFn: func(ctx context.Context, query *user.GetSignedInUserQuery) (*user.SignedInUser, error) {
 					return &user.SignedInUser{UserID: 1, OrgID: -1, Permissions: map[int64]map[string][]string{}}, nil
@@ -228,15 +185,28 @@ func TestAuthorizeInOrgMiddleware(t *testing.T) {
 			// Create test context
 			req := httptest.NewRequest(http.MethodGet, "/api/endpoint", nil)
 
-			service := tc.acService
+			expectedIdentity := &authn.Identity{
+				ID:          fmt.Sprintf("user:%v", tc.ctxSignedInUser.UserID),
+				OrgID:       tc.targetOrgId,
+				Permissions: map[int64]map[string][]string{},
+			}
+			expectedIdentity.Permissions[tc.targetOrgId] = accesscontrol.GroupScopesByAction(tc.targerOrgPermissions)
+
+			authnService := &authntest.FakeService{
+				ExpectedIdentity: expectedIdentity,
+			}
+
+			var orgIDGetter accesscontrol.OrgIDGetter
+			if tc.orgIDGetter != nil {
+				orgIDGetter = tc.orgIDGetter
+			} else {
+				orgIDGetter = func(c *contextmodel.ReqContext) (int64, error) {
+					return tc.targetOrgId, nil
+				}
+			}
 
 			// Create middleware
-			middleware := accesscontrol.AuthorizeInOrgMiddleware(
-				tc.accessControl,
-				service,
-				tc.userCache,
-				tc.teamService,
-			)(tc.orgIDGetter, tc.evaluator)
+			middleware := accesscontrol.AuthorizeInOrgMiddleware(tc.accessControl, authnService)(orgIDGetter, tc.evaluator)
 
 			// Create test server
 			server := web.New()
diff --git a/pkg/services/accesscontrol/middleware.go b/pkg/services/accesscontrol/middleware.go
index bcc588fb4ae..e50787f941b 100644
--- a/pkg/services/accesscontrol/middleware.go
+++ b/pkg/services/accesscontrol/middleware.go
@@ -20,8 +20,6 @@ import (
 	"github.com/grafana/grafana/pkg/services/authn"
 	contextmodel "github.com/grafana/grafana/pkg/services/contexthandler/model"
 	"github.com/grafana/grafana/pkg/services/org"
-	"github.com/grafana/grafana/pkg/services/team"
-	"github.com/grafana/grafana/pkg/services/user"
 	"github.com/grafana/grafana/pkg/setting"
 	"github.com/grafana/grafana/pkg/util"
 	"github.com/grafana/grafana/pkg/web"
@@ -177,15 +175,7 @@ func newID() string {
 
 type OrgIDGetter func(c *contextmodel.ReqContext) (int64, error)
 
-type userCache interface {
-	GetSignedInUserWithCacheCtx(ctx context.Context, query *user.GetSignedInUserQuery) (*user.SignedInUser, error)
-}
-
-type teamService interface {
-	GetTeamIDsByUser(ctx context.Context, query *team.GetTeamIDsByUserQuery) ([]int64, error)
-}
-
-func AuthorizeInOrgMiddleware(ac AccessControl, service Service, userService userCache, teamService teamService) func(OrgIDGetter, Evaluator) web.Handler {
+func AuthorizeInOrgMiddleware(ac AccessControl, authnService authn.Service) func(OrgIDGetter, Evaluator) web.Handler {
 	return func(getTargetOrg OrgIDGetter, evaluator Evaluator) web.Handler {
 		return func(c *contextmodel.ReqContext) {
 			targetOrgID, err := getTargetOrg(c)
@@ -194,104 +184,25 @@ func AuthorizeInOrgMiddleware(ac AccessControl, service Service, userService use
 				return
 			}
 
-			tmpUser, err := makeTmpUser(c.Req.Context(), service, userService, teamService, c.SignedInUser, targetOrgID)
-			if err != nil {
-				deny(c, nil, fmt.Errorf("failed to authenticate user in target org: %w", err))
-				return
+			var orgUser identity.Requester = c.SignedInUser
+			if targetOrgID != c.SignedInUser.GetOrgID() {
+				orgUser, err = authnService.ResolveIdentity(c.Req.Context(), targetOrgID, c.SignedInUser.GetID())
+				if err != nil {
+					deny(c, nil, fmt.Errorf("failed to authenticate user in target org: %w", err))
+					return
+				}
 			}
-
-			authorize(c, ac, tmpUser, evaluator)
+			authorize(c, ac, orgUser, evaluator)
 
 			// guard against nil map
 			if c.SignedInUser.Permissions == nil {
 				c.SignedInUser.Permissions = make(map[int64]map[string][]string)
 			}
-			c.SignedInUser.Permissions[tmpUser.GetOrgID()] = tmpUser.GetPermissions()
+			c.SignedInUser.Permissions[orgUser.GetOrgID()] = orgUser.GetPermissions()
 		}
 	}
 }
 
-// makeTmpUser creates a temporary user that can be used to evaluate access across orgs.
-func makeTmpUser(ctx context.Context, service Service, cache userCache,
-	teamService teamService, reqUser identity.Requester, targetOrgID int64) (identity.Requester, error) {
-	tmpUser := &user.SignedInUser{
-		OrgID:          reqUser.GetOrgID(),
-		OrgName:        reqUser.GetOrgName(),
-		OrgRole:        reqUser.GetOrgRole(),
-		IsGrafanaAdmin: reqUser.GetIsGrafanaAdmin(),
-		Login:          reqUser.GetLogin(),
-		Teams:          reqUser.GetTeams(),
-		Permissions: map[int64]map[string][]string{
-			reqUser.GetOrgID(): reqUser.GetPermissions(),
-		},
-	}
-
-	namespace, identifier := reqUser.GetNamespacedID()
-	id, _ := identity.IntIdentifier(namespace, identifier)
-	switch namespace {
-	case identity.NamespaceUser:
-		tmpUser.UserID = id
-	case identity.NamespaceAPIKey:
-		tmpUser.ApiKeyID = id
-		if tmpUser.OrgID != targetOrgID {
-			return nil, errors.New("API key does not belong to target org")
-		}
-	case identity.NamespaceServiceAccount:
-		tmpUser.UserID = id
-		tmpUser.IsServiceAccount = true
-	}
-
-	if tmpUser.OrgID != targetOrgID {
-		switch targetOrgID {
-		case GlobalOrgID:
-			tmpUser.OrgID = GlobalOrgID
-			tmpUser.OrgRole = org.RoleNone
-			tmpUser.OrgName = ""
-			tmpUser.Teams = []int64{}
-		default:
-			if cache == nil {
-				return nil, errors.New("user cache is nil")
-			}
-			query := user.GetSignedInUserQuery{UserID: tmpUser.UserID, OrgID: targetOrgID}
-			queryResult, err := cache.GetSignedInUserWithCacheCtx(ctx, &query)
-			if err != nil {
-				return nil, err
-			}
-			tmpUser.OrgID = queryResult.OrgID
-			tmpUser.OrgName = queryResult.OrgName
-			tmpUser.OrgRole = queryResult.OrgRole
-
-			// Only fetch the team membership is the user is a member of the organization
-			if queryResult.OrgID == targetOrgID {
-				if teamService != nil {
-					teamIDs, err := teamService.GetTeamIDsByUser(ctx, &team.GetTeamIDsByUserQuery{OrgID: targetOrgID, UserID: tmpUser.UserID})
-					if err != nil {
-						return nil, err
-					}
-					tmpUser.Teams = teamIDs
-				}
-			}
-		}
-	}
-
-	// If the user is not a member of the organization
-	// evaluation must happen based on global permissions.
-	evaluationOrg := targetOrgID
-	if tmpUser.OrgID == NoOrgID {
-		evaluationOrg = GlobalOrgID
-	}
-	if tmpUser.Permissions[evaluationOrg] == nil || len(tmpUser.Permissions[evaluationOrg]) == 0 {
-		permissions, err := service.GetUserPermissions(ctx, tmpUser, Options{})
-		if err != nil {
-			return nil, err
-		}
-
-		tmpUser.Permissions[evaluationOrg] = GroupScopesByAction(permissions)
-	}
-
-	return tmpUser, nil
-}
-
 func UseOrgFromContextParams(c *contextmodel.ReqContext) (int64, error) {
 	orgID, err := strconv.ParseInt(web.Params(c.Req)[":orgId"], 10, 64)
 
@@ -339,7 +250,7 @@ func UseOrgFromRequestData(c *contextmodel.ReqContext) (int64, error) {
 
 // UseGlobalOrgFromRequestData returns global org if `global` flag is set or the org where user is logged in.
 // If RBACSingleOrganization is set, the org where user is logged in is returned - this is intended only for cloud workflows, where instances are limited to a single organization.
-func UseGlobalOrgFromRequestData(cfg *setting.Cfg) func(*contextmodel.ReqContext) (int64, error) {
+func UseGlobalOrgFromRequestData(cfg *setting.Cfg) OrgIDGetter {
 	return func(c *contextmodel.ReqContext) (int64, error) {
 		query, err := getOrgQueryFromRequest(c)
 		if err != nil {
diff --git a/pkg/services/accesscontrol/mock/mock.go b/pkg/services/accesscontrol/mock/mock.go
index b3b3452d94f..2390df1f1d7 100644
--- a/pkg/services/accesscontrol/mock/mock.go
+++ b/pkg/services/accesscontrol/mock/mock.go
@@ -22,7 +22,6 @@ type Calls struct {
 	Evaluate                       []interface{}
 	GetRoleByName                  []interface{}
 	GetUserPermissions             []interface{}
-	GetUserPermissionsInOrg        []interface{}
 	ClearUserPermissionCache       []interface{}
 	DeclareFixedRoles              []interface{}
 	DeclarePluginRoles             []interface{}
@@ -50,7 +49,6 @@ type Mock struct {
 	EvaluateFunc                       func(context.Context, identity.Requester, accesscontrol.Evaluator) (bool, error)
 	GetRoleByNameFunc                  func(context.Context, int64, string) (*accesscontrol.RoleDTO, error)
 	GetUserPermissionsFunc             func(context.Context, identity.Requester, accesscontrol.Options) ([]accesscontrol.Permission, error)
-	GetUserPermissionsInOrgFunc        func(context.Context, identity.Requester, int64) ([]accesscontrol.Permission, error)
 	ClearUserPermissionCacheFunc       func(identity.Requester)
 	DeclareFixedRolesFunc              func(...accesscontrol.RoleRegistration) error
 	DeclarePluginRolesFunc             func(context.Context, string, string, []plugins.RoleRegistration) error
@@ -152,16 +150,6 @@ func (m *Mock) GetUserPermissions(ctx context.Context, user identity.Requester,
 	return m.permissions, nil
 }
 
-func (m *Mock) GetUserPermissionsInOrg(ctx context.Context, user identity.Requester, orgID int64) ([]accesscontrol.Permission, error) {
-	m.Calls.GetUserPermissionsInOrg = append(m.Calls.GetUserPermissionsInOrg, []interface{}{ctx, user, orgID})
-	// Use override if provided
-	if m.GetUserPermissionsInOrgFunc != nil {
-		return m.GetUserPermissionsInOrgFunc(ctx, user, orgID)
-	}
-	// Otherwise return the Permissions list
-	return m.permissions, nil
-}
-
 func (m *Mock) ClearUserPermissionCache(user identity.Requester) {
 	m.Calls.ClearUserPermissionCache = append(m.Calls.ClearUserPermissionCache, []interface{}{user})
 	// Use override if provided
diff --git a/pkg/services/authn/authntest/fake.go b/pkg/services/authn/authntest/fake.go
index c83154a9d8c..02bc1f11944 100644
--- a/pkg/services/authn/authntest/fake.go
+++ b/pkg/services/authn/authntest/fake.go
@@ -73,7 +73,25 @@ func (f *FakeService) Logout(_ context.Context, _ identity.Requester, _ *usertok
 }
 
 func (f *FakeService) ResolveIdentity(ctx context.Context, orgID int64, namespaceID string) (*authn.Identity, error) {
-	panic("unimplemented")
+	if f.ExpectedIdentities != nil {
+		if f.CurrentIndex >= len(f.ExpectedIdentities) {
+			panic("ExpectedIdentities is empty")
+		}
+		if f.CurrentIndex >= len(f.ExpectedErrs) {
+			panic("ExpectedErrs is empty")
+		}
+
+		identity := f.ExpectedIdentities[f.CurrentIndex]
+		err := f.ExpectedErrs[f.CurrentIndex]
+
+		f.CurrentIndex += 1
+
+		return identity, err
+	}
+
+	identity := f.ExpectedIdentity
+	identity.OrgID = orgID
+	return identity, f.ExpectedErr
 }
 
 func (f *FakeService) RegisterClient(c authn.Client) {}
diff --git a/pkg/services/navtree/navtreeimpl/admin.go b/pkg/services/navtree/navtreeimpl/admin.go
index 8d3b73dfef6..5dad84f681a 100644
--- a/pkg/services/navtree/navtreeimpl/admin.go
+++ b/pkg/services/navtree/navtreeimpl/admin.go
@@ -17,7 +17,7 @@ func (s *ServiceImpl) getAdminNode(c *contextmodel.ReqContext) (*navtree.NavLink
 	var configNodes []*navtree.NavLink
 	ctx := c.Req.Context()
 	hasAccess := ac.HasAccess(s.accessControl, c)
-	hasGlobalAccess := ac.HasGlobalAccess(s.accessControl, s.accesscontrolService, c)
+	hasGlobalAccess := ac.HasGlobalAccess(s.accessControl, s.authnService, c)
 	orgsAccessEvaluator := ac.EvalPermission(ac.ActionOrgsRead)
 	authConfigUIAvailable := s.license.FeatureEnabled(social.SAMLProviderName) || s.cfg.LDAPAuthEnabled
 
diff --git a/pkg/services/navtree/navtreeimpl/navtree.go b/pkg/services/navtree/navtreeimpl/navtree.go
index b2bdbb30b22..504e5d3af31 100644
--- a/pkg/services/navtree/navtreeimpl/navtree.go
+++ b/pkg/services/navtree/navtreeimpl/navtree.go
@@ -9,6 +9,7 @@ import (
 	ac "github.com/grafana/grafana/pkg/services/accesscontrol"
 	"github.com/grafana/grafana/pkg/services/apikey"
 	"github.com/grafana/grafana/pkg/services/auth/identity"
+	"github.com/grafana/grafana/pkg/services/authn"
 	contextmodel "github.com/grafana/grafana/pkg/services/contexthandler/model"
 	"github.com/grafana/grafana/pkg/services/dashboards"
 	"github.com/grafana/grafana/pkg/services/datasources"
@@ -28,6 +29,7 @@ type ServiceImpl struct {
 	cfg                  *setting.Cfg
 	log                  log.Logger
 	accessControl        ac.AccessControl
+	authnService         authn.Service
 	pluginStore          pluginstore.Store
 	pluginSettings       pluginsettings.Service
 	starService          star.Service
@@ -50,11 +52,14 @@ type NavigationAppConfig struct {
 	Icon       string
 }
 
-func ProvideService(cfg *setting.Cfg, accessControl ac.AccessControl, pluginStore pluginstore.Store, pluginSettings pluginsettings.Service, starService star.Service, features featuremgmt.FeatureToggles, dashboardService dashboards.DashboardService, accesscontrolService ac.Service, kvStore kvstore.KVStore, apiKeyService apikey.Service, license licensing.Licensing) navtree.Service {
+func ProvideService(cfg *setting.Cfg, accessControl ac.AccessControl, pluginStore pluginstore.Store, pluginSettings pluginsettings.Service, starService star.Service,
+	features featuremgmt.FeatureToggles, dashboardService dashboards.DashboardService, accesscontrolService ac.Service, kvStore kvstore.KVStore, apiKeyService apikey.Service,
+	license licensing.Licensing, authnService authn.Service) navtree.Service {
 	service := &ServiceImpl{
 		cfg:                  cfg,
 		log:                  log.New("navtree service"),
 		accessControl:        accessControl,
+		authnService:         authnService,
 		pluginStore:          pluginStore,
 		pluginSettings:       pluginSettings,
 		starService:          starService,