GoogleCloudPlatform · camedk · Feb 8, 2021 · Feb 8, 2021 · Feb 8, 2021 · Mar 2, 2021
diff --git a/cli_tools/gce_windows_upgrade/upgrade_script_2008r2_to_2012r2.ps1 b/cli_tools/gce_windows_upgrade/upgrade_script_2008r2_to_2012r2.ps1
@@ -43,12 +43,19 @@ online disk noerr
   }
 
   # Find the drive which contains install media.
-  $Drives = Get-WmiObject Win32_LogicalDisk
-  ForEach ($Drive in $Drives) {
-    if (Test-Path "$($Drive.DeviceID)\Windows_Svr_Std_and_DataCtr_2012_R2_64Bit_English") {
-      $script:install_media_drive = "$($Drive.DeviceID)"
+  For ($i=0; $i -lt 5; $i++) {
-  For ($i=0; $i -lt 5; $i++) {
+  For ($i=1; $i -le 5; $i++) {
-  For ($i=0; $i -lt 5; $i++) {
+  For ($i=1; $i -le 5; $i++) {
+    $Drives = Get-WmiObject Win32_LogicalDisk
+    ForEach ($Drive in $Drives) {
+      if (Test-Path "$($Drive.DeviceID)\Windows_Svr_Std_and_DataCtr_2012_R2_64Bit_English") {
+        $script:install_media_drive = "$($Drive.DeviceID)"
+      }
     }
+    if ($script:install_media_drive){break}
+    Write-Host "Disk not ready yet - waiting"
+    Start-Sleep -Seconds 5
   }
+
+
   if (!$script:install_media_drive) {
     throw "No install media found."
   }