diff --git a/Source/cmGlobalVisualStudio10Generator.cxx b/Source/cmGlobalVisualStudio10Generator.cxx
index 5189569dc..c708a0824 100644
--- a/Source/cmGlobalVisualStudio10Generator.cxx
+++ b/Source/cmGlobalVisualStudio10Generator.cxx
@@ -148,19 +148,45 @@ bool cmGlobalVisualStudio10Generator::SetSystemName(std::string const& s,
 }
 
 //----------------------------------------------------------------------------
-bool cmGlobalVisualStudio10Generator::InitializeSystem(cmMakefile*)
+bool cmGlobalVisualStudio10Generator::InitializeSystem(cmMakefile* mf)
 {
   if(this->SystemName == "WindowsPhone")
     {
     this->SystemIsWindowsPhone = true;
+    if(!this->InitializeWindowsPhone(mf))
+      {
+      return false;
+      }
     }
   else if(this->SystemName == "WindowsStore")
     {
     this->SystemIsWindowsStore = true;
+    if(!this->InitializeWindowsStore(mf))
+      {
+      return false;
+      }
     }
   return true;
 }
 
+//----------------------------------------------------------------------------
+bool cmGlobalVisualStudio10Generator::InitializeWindowsPhone(cmMakefile* mf)
+{
+  cmOStringStream e;
+  e << this->GetName() << " does not support Windows Phone.";
+  mf->IssueMessage(cmake::FATAL_ERROR, e.str());
+  return false;
+}
+
+//----------------------------------------------------------------------------
+bool cmGlobalVisualStudio10Generator::InitializeWindowsStore(cmMakefile* mf)
+{
+  cmOStringStream e;
+  e << this->GetName() << " does not support Windows Store.";
+  mf->IssueMessage(cmake::FATAL_ERROR, e.str());
+  return false;
+}
+
 //----------------------------------------------------------------------------
 void cmGlobalVisualStudio10Generator
 ::AddVSPlatformToolsetDefinition(cmMakefile* mf) const
diff --git a/Source/cmGlobalVisualStudio10Generator.h b/Source/cmGlobalVisualStudio10Generator.h
index e3156bfa0..6245b285f 100644
--- a/Source/cmGlobalVisualStudio10Generator.h
+++ b/Source/cmGlobalVisualStudio10Generator.h
@@ -107,6 +107,10 @@ public:
 protected:
   virtual void Generate();
   virtual bool InitializeSystem(cmMakefile* mf);
+  virtual bool InitializeWindowsPhone(cmMakefile* mf);
+  virtual bool InitializeWindowsStore(cmMakefile* mf);
+  virtual std::string SelectWindowsPhoneToolset() const { return ""; }
+  virtual std::string SelectWindowsStoreToolset() const { return ""; }
 
   virtual const char* GetIDEVersion() { return "10.0"; }
 
diff --git a/Source/cmGlobalVisualStudio11Generator.cxx b/Source/cmGlobalVisualStudio11Generator.cxx
index e5a159ba1..33cfaa187 100644
--- a/Source/cmGlobalVisualStudio11Generator.cxx
+++ b/Source/cmGlobalVisualStudio11Generator.cxx
@@ -128,6 +128,56 @@ cmGlobalVisualStudio11Generator::MatchesGeneratorName(
   return false;
 }
 
+//----------------------------------------------------------------------------
+bool cmGlobalVisualStudio11Generator::InitializeWindowsPhone(cmMakefile* mf)
+{
+  this->DefaultPlatformToolset = this->SelectWindowsPhoneToolset();
+  if(this->DefaultPlatformToolset.empty())
+    {
+    cmOStringStream e;
+    e << this->GetName() << " supports Windows Phone '8.0', but not '"
+      << this->SystemVersion << "'.  Check CMAKE_SYSTEM_VERSION.";
+    mf->IssueMessage(cmake::FATAL_ERROR, e.str());
+    return false;
+    }
+  return true;
+}
+
+//----------------------------------------------------------------------------
+bool cmGlobalVisualStudio11Generator::InitializeWindowsStore(cmMakefile* mf)
+{
+  this->DefaultPlatformToolset = this->SelectWindowsStoreToolset();
+  if(this->DefaultPlatformToolset.empty())
+    {
+    cmOStringStream e;
+    e << this->GetName() << " supports Windows Store '8.0', but not '"
+      << this->SystemVersion << "'.  Check CMAKE_SYSTEM_VERSION.";
+    mf->IssueMessage(cmake::FATAL_ERROR, e.str());
+    return false;
+    }
+  return true;
+}
+
+//----------------------------------------------------------------------------
+std::string cmGlobalVisualStudio11Generator::SelectWindowsPhoneToolset() const
+{
+  if(this->SystemVersion == "8.0")
+    {
+    return "v110_wp80";
+    }
+  return this->cmGlobalVisualStudio10Generator::SelectWindowsPhoneToolset();
+}
+
+//----------------------------------------------------------------------------
+std::string cmGlobalVisualStudio11Generator::SelectWindowsStoreToolset() const
+{
+  if(this->SystemVersion == "8.0")
+    {
+    return "v110";
+    }
+  return this->cmGlobalVisualStudio10Generator::SelectWindowsStoreToolset();
+}
+
 //----------------------------------------------------------------------------
 void cmGlobalVisualStudio11Generator::WriteSLNHeader(std::ostream& fout)
 {
diff --git a/Source/cmGlobalVisualStudio11Generator.h b/Source/cmGlobalVisualStudio11Generator.h
index 3d89a9408..0b497db4d 100644
--- a/Source/cmGlobalVisualStudio11Generator.h
+++ b/Source/cmGlobalVisualStudio11Generator.h
@@ -34,6 +34,10 @@ public:
   /** TODO: VS 11 user macro support. */
   virtual std::string GetUserMacrosDirectory() { return ""; }
 protected:
+  virtual bool InitializeWindowsPhone(cmMakefile* mf);
+  virtual bool InitializeWindowsStore(cmMakefile* mf);
+  virtual std::string SelectWindowsPhoneToolset() const;
+  virtual std::string SelectWindowsStoreToolset() const;
   virtual const char* GetIDEVersion() { return "11.0"; }
   bool UseFolderProperty();
   static std::set<std::string> GetInstalledWindowsCESDKs();
diff --git a/Source/cmGlobalVisualStudio12Generator.cxx b/Source/cmGlobalVisualStudio12Generator.cxx
index 4235cbc7c..29ecfe00b 100644
--- a/Source/cmGlobalVisualStudio12Generator.cxx
+++ b/Source/cmGlobalVisualStudio12Generator.cxx
@@ -108,6 +108,56 @@ cmGlobalVisualStudio12Generator::MatchesGeneratorName(
   return false;
 }
 
+//----------------------------------------------------------------------------
+bool cmGlobalVisualStudio12Generator::InitializeWindowsPhone(cmMakefile* mf)
+{
+  this->DefaultPlatformToolset = this->SelectWindowsPhoneToolset();
+  if(this->DefaultPlatformToolset.empty())
+    {
+    cmOStringStream e;
+    e << this->GetName() << " supports Windows Phone '8.0' and '8.1', "
+      "but not '" << this->SystemVersion << "'.  Check CMAKE_SYSTEM_VERSION.";
+    mf->IssueMessage(cmake::FATAL_ERROR, e.str());
+    return false;
+    }
+  return true;
+}
+
+//----------------------------------------------------------------------------
+bool cmGlobalVisualStudio12Generator::InitializeWindowsStore(cmMakefile* mf)
+{
+  this->DefaultPlatformToolset = this->SelectWindowsStoreToolset();
+  if(this->DefaultPlatformToolset.empty())
+    {
+    cmOStringStream e;
+    e << this->GetName() << " supports Windows Store '8.0' and '8.1', "
+      "but not '" << this->SystemVersion << "'.  Check CMAKE_SYSTEM_VERSION.";
+    mf->IssueMessage(cmake::FATAL_ERROR, e.str());
+    return false;
+    }
+  return true;
+}
+
+//----------------------------------------------------------------------------
+std::string cmGlobalVisualStudio12Generator::SelectWindowsPhoneToolset() const
+{
+  if(this->SystemVersion == "8.1")
+    {
+    return "v120_wp81";
+    }
+  return this->cmGlobalVisualStudio11Generator::SelectWindowsPhoneToolset();
+}
+
+//----------------------------------------------------------------------------
+std::string cmGlobalVisualStudio12Generator::SelectWindowsStoreToolset() const
+{
+  if(this->SystemVersion == "8.1")
+    {
+    return "v120";
+    }
+  return this->cmGlobalVisualStudio11Generator::SelectWindowsStoreToolset();
+}
+
 //----------------------------------------------------------------------------
 void cmGlobalVisualStudio12Generator::WriteSLNHeader(std::ostream& fout)
 {
diff --git a/Source/cmGlobalVisualStudio12Generator.h b/Source/cmGlobalVisualStudio12Generator.h
index 8ac2d1d20..ec85f1011 100644
--- a/Source/cmGlobalVisualStudio12Generator.h
+++ b/Source/cmGlobalVisualStudio12Generator.h
@@ -39,6 +39,10 @@ public:
   //version number
   virtual const char* GetToolsVersion() { return "12.0"; }
 protected:
+  virtual bool InitializeWindowsPhone(cmMakefile* mf);
+  virtual bool InitializeWindowsStore(cmMakefile* mf);
+  virtual std::string SelectWindowsPhoneToolset() const;
+  virtual std::string SelectWindowsStoreToolset() const;
   virtual const char* GetIDEVersion() { return "12.0"; }
 private:
   class Factory;