diff --git a/build/buildpipeline/windows.groovy b/build/buildpipeline/windows.groovy
index 249f595d47..a88d4c9cea 100644
--- a/build/buildpipeline/windows.groovy
+++ b/build/buildpipeline/windows.groovy
@@ -8,7 +8,7 @@ simpleNode('Windows.10.Enterprise.RS3.ASPNET') {
     }
     stage ('Build') {
         def logFolder = getLogFolder()
-        def environment = "\$env:ASPNETCORE_TEST_LOG_DIR=\"${WORKSPACE}\\${logFolder}\""
-        batchFile ("powershell -Command \"&.\\tools\\update_schema.ps1;${environment};&.\\run.ps1 -CI default-build /p:Configuration=${params.Configuration}\"")
+        def environment = "\$env:ASPNETCORE_TEST_LOG_DIR='${WORKSPACE}\\${logFolder}'"
+        bat "powershell -NoProfile -NoLogo -ExecutionPolicy unrestricted -Command \"&.\\tools\\update_schema.ps1;${environment};&.\\run.ps1 -CI default-build /p:Configuration=${params.Configuration}\""
     }
 }
diff --git a/tools/update_schema.ps1 b/tools/update_schema.ps1
index a887c69551..64f8248af4 100644
--- a/tools/update_schema.ps1
+++ b/tools/update_schema.ps1
@@ -49,12 +49,20 @@ for ($i=0; $i -lt $ancmSchemaFiles.Length; $i++)
     $schemaSource = $ancmSchemaFileLocations[$i]
 
     $destinations = @(
-        "${env:ProgramFiles(x86)}\IIS Express\config\schema\${schemaFile}",
-        "${env:ProgramFiles}\IIS Express\config\schema\${schemaFile}",
-        "${env:windir}\system32\inetsrv\config\schema\${schemaFile}"
+        "${env:ProgramFiles(x86)}\IIS Express\config\schema\",
+        "${env:ProgramFiles}\IIS Express\config\schema\",
+        "${env:windir}\system32\inetsrv\config\schema\"
     )
 
-    foreach ($dest in $destinations) {
+    foreach ($destPath in $destinations) {
+        $dest = "$destPath\${schemaFile}";
+
+        if (!(Test-Path $destPath))
+        {
+            Write-Host "$destPath doesn't exist"
+            continue;
+        }
+
         if ($PSCmdlet.ShouldProcess($dest, "Replace file")) {
             Write-Host "Updated $dest"
             Move-Item $dest "${dest}.bak" -ErrorAction Ignore