diff --git a/Cantera/src/equil/vcs_MultiPhaseEquil.cpp b/Cantera/src/equil/vcs_MultiPhaseEquil.cpp
index c8348e946..9d8863917 100644
--- a/Cantera/src/equil/vcs_MultiPhaseEquil.cpp
+++ b/Cantera/src/equil/vcs_MultiPhaseEquil.cpp
@@ -936,7 +936,7 @@ namespace VCSnonideal {
     Cantera::ThermoPhase *tPhase = 0;
 
     int iSurPhase = -1;
-    int gasPhase;
+    bool gasPhase;
     int printLvl = vprob->m_printLvl;
 
     /*
@@ -957,8 +957,8 @@ namespace VCSnonideal {
        * current phase.
        */
       int eos = tPhase->eosType();
-      if (eos == cIdealGas) gasPhase = 1;
-      else                  gasPhase = 0;
+      if (eos == cIdealGas) gasPhase = true;
+      else                  gasPhase = false;
     
       /*
        *    Find out the number of species in the phase
diff --git a/tools/src/cti2ctml.cpp b/tools/src/cti2ctml.cpp
index adf7c418b..b908af1c8 100644
--- a/tools/src/cti2ctml.cpp
+++ b/tools/src/cti2ctml.cpp
@@ -30,7 +30,7 @@ int iDebug_HKM = 0;
 /*****************************************************************/
 static void printUsage()
 {
-    cout << "ctitoxml [-h] infile.cti" << endl;
+    cout << "cti2ctml [-h] infile.cti" << endl;
     cout << "    Translates a cti formated file to an xml file" << endl;
     cout << "    The xml file will be named infile.xml" << endl;
 }
@@ -76,16 +76,9 @@ int main(int argc, char** argv) {
       XML_Node *xc = new XML_Node();
       string path = findInputFile(infile);
       ctml::get_CTML_Tree(xc, path, 0); 
-      XML_Node *xd = new XML_Node();
-      xc->copy(xd);
-      ofstream tout;
-      tout.open("testdest.xml");
-      xc->write(tout);
-      tout.close();
-      tout.open("testdest2.xml");
-      xd->write(tout);
-      tout.close();
-
+      //XML_Node *xd = new XML_Node();
+      //xc->copy(xd);
+      
     }
     catch (CanteraError) {
       showErrors(cout);
diff --git a/tools/testtools/mdp_allo.cpp b/tools/testtools/mdp_allo.cpp
index 41faa7666..058374aad 100644
--- a/tools/testtools/mdp_allo.cpp
+++ b/tools/testtools/mdp_allo.cpp
@@ -17,6 +17,10 @@
 
 #include "mdp_allo.h"
 
+#ifdef WIN32
+#pragma warning(disable:4996)
+#endif
+
 /*
  *  Allocate global storage for 2 debugging ints that are used in IO of
  *  error information.
@@ -54,7 +58,7 @@ int MDP_ALLO_errorOption = 3;
 /****************************************************************************/
 /****************************************************************************/
 
-static void mdp_alloc_eh(const char *rname, int bytes)
+static void mdp_alloc_eh(const char *rname, size_t bytes)
    
    /*************************************************************************
    *
diff --git a/tools/testtools/tok_input_util.cpp b/tools/testtools/tok_input_util.cpp
index 0361f939a..3fff886b0 100644
--- a/tools/testtools/tok_input_util.cpp
+++ b/tools/testtools/tok_input_util.cpp
@@ -16,12 +16,11 @@
  * $Source$
  *
  *====================================================================*/
-
-#ifndef lint
-static char const rcsid[] = 
-    "$Id$";
+#ifdef WIN32
+#pragma warning(disable:4996)
 #endif
 
+
 #include <stdlib.h>
 #include <stdio.h>
 #include <string.h>
@@ -789,7 +788,7 @@ char *scan_for_string(FILE *ifp, const char *string, const int maxVal,
  *      handled by terminally exiting the program.
  */
 {
-  int  len;
+  size_t  len;
   char input[MAX_INPUT_STR_LN + 1];
   if (scan_for_line(ifp, string, input, KEY_CHAR, PrintInputFile) < 0) 
      exit(-1);
@@ -1305,7 +1304,7 @@ char *TokToStrng (const TOKEN *keyptr)
   int  i;
   if (!keyptr) return NULL;
   if (!keyptr->orig_str) return NULL;
-  int  iln = strlen(keyptr->orig_str) + 1 + keyptr->ntokes;
+  size_t  iln = strlen(keyptr->orig_str) + 1 + keyptr->ntokes;
   char *fstr = (char *) malloc(iln * sizeof(char));
  
   char *const*str  = &(keyptr->tok_ptr[0]);
@@ -1550,10 +1549,19 @@ void strip_item_from_token(int iword, TOKEN *tok)
 {
   if (!tok) return;
   if (iword < 0 || iword > tok->ntokes) return;
+#ifdef WIN32
+  __w64 int ioffset = tok->tok_ptr[iword] - tok->tok_str;
+#else
   int ioffset = tok->tok_ptr[iword] - tok->tok_str;
-  int ilength = strlen(tok->tok_ptr[iword]);
+#endif
+  size_t ilength = strlen(tok->tok_ptr[iword]);
+#ifdef WIN32
+  __w64 int i = ioffset;
+  __w64 int j = ioffset + ilength;
+#else
   int i = ioffset;
   int j = ioffset + ilength;
+#endif
   if (j <= (int) strlen(tok->orig_str)) {
     while(tok->orig_str[j] != '\0') {
       tok->orig_str[i] = tok->orig_str[j];
diff --git a/winconfig.h b/winconfig.h
index 699533f2c..ccf2de21b 100644
--- a/winconfig.h
+++ b/winconfig.h
@@ -45,9 +45,9 @@ typedef  int          ftnlen;       // Fortran hidden string length type
 #define FTN_TRAILING_UNDERSCORE 1
 
 
-/* #undef HAS_SUNDIALS */
+#define HAS_SUNDIALS 1
 /* #undef SUNDIALS_VERSION_22 */
-/* #undef SUNDIALS_VERSION_23 */
+#define SUNDIALS_VERSION_23 1
 
 //-------- LAPACK / BLAS ---------