Add troubleshooting article for Azure VM startup issue related to Group Policy Registry policy

Author: cwhitley-MSFT

support/azure/virtual-machines/windows/applying-group-policy-registry-policy.md

@@ -0,0 +1,33 @@
+---
+title: Windows VM startup is stuck on "Applying Group Policy Registry policy" in Microsoft Azure
+description: Provides troubleshooting steps for an Azure virtual machine (VM) that is stuck in startup with message, "Applying Group Policy Registry policy"
+ms.date: 04/22/2025
+author: cwhitley-MSFT 
+ms.author: cwhitley
+ms.service: azure-virtual-machines
+ms.collection: windows
+ms.custom: sap:My VM is not booting
+---
+
+# VM startup is stuck on "Applying Group Policy Registry policy"
+
+**Applies to:** :heavy_check_mark: Windows VMs
+
+This article discusses an issue that causes a Microsoft Azure virtual machine (VM) to get stuck during startup on the **Applying Group Policy Registry policy** screen.
+
+## Symptoms
+
+A Windows VM doesn't start. When you use [Boot diagnostics](./boot-diagnostics.md) to view the screenshot of the VM, you see that the Windows operating system displays the message, **Applying Group Policy Registry policy**.
+
+:::image type="content" source="media/applying-group-policy-registry-policy/ApplyingGroupPolicyRegistryPolicy.png" alt-text="Screenshot of Windows operating system displaying the message, 'Applying Group Policy Registry policy'.":::
+## Cause
+
+Further investigation is required to determine the specific cause of this issue.
+
+## Collect memory dump for troubleshooting
+
+For this scenario, Azure Support requires a memory dump in order to be able to troubleshoot and diagnose the issue.
+
+Follow the steps in [this article](./collect-os-memory-dump-file.md) to collect a memory dump. Then, [create a support request](https://ms.portal.azure.com/#blade/Microsoft_Azure_Support/HelpAndSupportBlade/overview?DMC=troubleshoot).
+
+[!INCLUDE [Azure Help Support](../../../includes/azure-help-support.md)]

support/azure/virtual-machines/windows/media/applying-group-policy-registry-policy/ApplyingGroupPolicyRegistryPolicy.png

@@ -322,6 +322,8 @@
       href: applying-group-policy-environment-policy.md
     - name: Azure VM startup hangs at "Applying Group Policy Power Options policy"
       href: applying-group-policy-power-options.md
+    - name: Azure VM startup hangs at "Applying Group Policy Registry policy"
+      href: applying-group-policy-registry-policy.md
     - name: Troubleshoot Windows VM OS with missing boot manager
       href: os-bootmgr-missing.md
     - name: OS isn't found