diff --git a/appveyor.yml b/appveyor.yml
index ffede5dd..14be651a 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -117,6 +117,9 @@ install:
     - echo Downloading MSODBCSQL 13.1
     - ps: (new-object net.webclient).DownloadFile('https://download.microsoft.com/download/D/5/E/D5EEF288-A277-45C8-855B-8E2CB7E25B96/' + ${env:BUILD_PLATFORM} + '/msodbcsql.msi', 'msodbcsql.msi')
     - ps: msiexec /i msodbcsql.msi /quiet /qn 
+    - echo Checking the versions of MSODBCSQL 
+    - reg query "HKLM\SOFTWARE\ODBC\odbcinst.ini\ODBC Driver 13 for SQL Server"
+    - dir C:\Windows\System32\msodbcsql13.dll
     - cd ..
     - cd
     - 7z x -y php-sdk-binary-tools-20110915.zip -o%PHP_SDK%