diff --git a/CHANGELOG.unreleased.md b/CHANGELOG.unreleased.md
index df126c76b..8250964ff 100644
--- a/CHANGELOG.unreleased.md
+++ b/CHANGELOG.unreleased.md
@@ -12,6 +12,7 @@
 > Users must be able to say: “I had this issue, happy to know it's fixed”
 
 - [Plugin/auth-saml] Certificate input support multiline (PR [#6403](https://github.com/vatesfr/xen-orchestra/pull/6403))
+- [Start VM] Clearer error message when `NO_HOSTS_AVAILABLE` error is triggered [#6316](https://github.com/vatesfr/xen-orchestra/issues/6316) (PR [#6408](https://github.com/vatesfr/xen-orchestra/pull/6408))
 
 ### Packages to release
 
diff --git a/packages/xo-server/src/xapi/index.mjs b/packages/xo-server/src/xapi/index.mjs
index df5153c6c..e09e990ce 100644
--- a/packages/xo-server/src/xapi/index.mjs
+++ b/packages/xo-server/src/xapi/index.mjs
@@ -882,16 +882,20 @@ export default class Xapi extends XapiBase {
           throw error
         }
 
-        throw new AggregateError(
-          await asyncMap(await this.call('host.get_all'), async hostRef => {
-            const hostNameLabel = await this.call('host.get_name_label', hostRef)
-            try {
-              await this.call('VM.assert_can_boot_here', vmRef, hostRef)
-              return `${hostNameLabel}: OK`
-            } catch (error) {
-              return `${hostNameLabel}: ${error.message}`
-            }
-          })
+        throw Object.assign(
+          new AggregateError(
+            await asyncMap(await this.call('host.get_all'), async hostRef => {
+              const hostNameLabel = await this.call('host.get_name_label', hostRef)
+              try {
+                await this.call('VM.assert_can_boot_here', vmRef, hostRef)
+                return `${hostNameLabel}: OK`
+              } catch (error) {
+                return `${hostNameLabel}: ${error.message}`
+              }
+            }),
+            error.message
+          ),
+          { code: error.code, params: error.params }
         )
       }
     } else {