Merge pull request #17841 from sethmanheim/newhot5-2

Add new Hub hotfix

Author: sethmanheim

azure-stack/operator/TOC.yml

@@ -26,6 +26,8 @@
             href: hotfix-1-2408-1-38.md            
         - name: 2406
           items:
+          - name: Hotfix 1.2406.1.20
+            href: hotfix-1-2406-1-20.md      
           - name: Hotfix 1.2406.1.19
             href: hotfix-1-2406-1-19.md      
           - name: Hotfix 1.2406.1.18

azure-stack/operator/hotfix-1-2406-1-20.md

@@ -0,0 +1,48 @@
+---
+title: Azure Stack Hub hotfix 1.2406.1.20
+description: Summary of Azure Stack Hub hotfix 1.2406.1.20
+author: sethmanheim
+ms.topic: article
+ms.date: 05/02/2025
+ms.author: sethm
+
+---
+
+# Azure Stack Hub hotfix 1.2406.1.20
+
+## Summary
+
+- Fixed an issue in which certain Windows fixes were not correctly enabled on hosts.
+
+## Fixes rolled up from previous hotfix releases
+
+- Fixed an issue in which NRP did not properly release an IP address on VMSS scale-in.
+- Fixed a bug in large L40S GPU VMs.
+- Fixed a bug in JEA endpoint configuration.
+- Fixed a bug in **Test-AzureStack** related to storage in all-flash systems.
+- Fixed an issue to prevent a hotfix from a previous release from showing as an applicable update.
+- Fixed an issue with DNS zone creation in SQL and MySQL resource providers.
+- Fixed an issue in which users were able to create duplicate and external infrastructure DNS zones.
+
+## Hotfix information
+
+To apply this hotfix, you must have version **1.2406.0.08** or later.
+
+> [!IMPORTANT]
+> As outlined in the release notes for the [2406 update](release-notes.md?view=azs-2406&preserve-view=true), make sure that you refer to the update activity checklist on running **Test-AzureStack** (with specified parameters), and resolve any operational issues that are found, including all warnings and failures. Also, review active alerts and resolve any that require action.
+
+## File information
+
+Download the following files. Then, follow the instructions in [Apply updates in Azure Stack](azure-stack-apply-updates.md) to apply this update.
+
+[Download the zip file now](https://azurestackhub.download.prss.microsoft.com/dbazure/download/MAS_ProdHotfix_1.2406.1.20/HotFix/AzS_Update_1.2406.1.20.zip).
+
+[Download the hotfix xml file now](https://azurestackhub.download.prss.microsoft.com/dbazure/download/MAS_ProdHotfix_1.2406.1.20/HotFix/metadata.xml).
+
+## More information
+
+[Azure Stack Hub update resources](azure-stack-updates.md)
+
+[Apply updates in Azure Stack](azure-stack-apply-updates.md)
+
+[Monitor updates in Azure Stack by using the privileged endpoint](azure-stack-monitor-update.md)