diff --git a/win/vs-cfg.cmd b/win/vs-cfg.cmd
index 794291792b..a5720c48f0 100644
--- a/win/vs-cfg.cmd
+++ b/win/vs-cfg.cmd
@@ -104,6 +104,9 @@ IF "!GENERATOR!"=="" IF NOT "%VisualStudioVersion%"=="" (
             GOTO :GeneratorValid
         )
     )
+    call utils\cecho.cmd 0 12 ^
+        "Generator is not provided and VisualStudioVersion='%VisualStudioVersion%' is not supported - cannot proceed."
+    exit /b 1
 )
 
 :: Check that the used CMake version supports the chosen generator