win_rds: wait for reboot to be complete (#51849)

test/integration/targets/win_rds/tasks/main.yml

@@ -19,9 +19,24 @@
 
   - name: reboot server if needed
     win_reboot:
-      post_reboot_delay: 10
     when: rds_install.reboot_required
 
+  # After a reboot Windows is still configuring the feature, this is a hack to wait until that is finished
+  - name: wait for component servicing to be finished
+    win_shell: |
+      $start = Get-Date
+      $path = "HKLM:\SYSTEM\CurrentControlSet\Control\Winlogon\Notifications\Components\TrustedInstaller"
+      $tries = 0
+      while ((Get-ItemProperty -Path $path -Name Events).Events.Contains("CreateSession")) {
+          $tries += 1
+          Start-Sleep -Seconds 5
+          if (((Get-Date) - $start).TotalSeconds -gt 180) {
+              break
+          }
+      }
+      $tries
+    changed_when: False
+
   - name: run win_rds_cap integration tests
     include_tasks: win_rds_cap.yml