Merging changes synced from https://github.com/MicrosoftDocs/azure-stack-docs-pr (branch live)

Author: Learn Build Service GitHub App

AKS-Arc/scale-requirements.md

@@ -2,7 +2,7 @@
 title: Scale requirements for AKS on Azure Local
 description: Learn about scale requirements for AKS on Azure Local.
 ms.topic: conceptual
-ms.date: 03/26/2024
+ms.date: 03/10/2025
 author: sethmanheim
 ms.author: sethm 
 ms.reviewer: abha
@@ -41,9 +41,9 @@ This article describes the maximum and minimum supported scale count for AKS on
 
 | System Role                     | VM Size                                | Memory, CPU          |
 |---------------------------------|----------------------------------------|----------------------|
-| AKS Arc control plane nodes  | Standard_A4_v2                         | 8-GB memory, 4 vcpu  |
-| AKS Arc Linux worker node    | Standard_K8S3_v1                       | 6-GB memory, 4 vcpu  |
-| AKS Arc Windows worker node  | Standard_K8S3_v1                       | 6-GB memory, 4 vcpu  |
+| AKS Arc control plane nodes     | Standard_A4_v2                         | 8-GB memory, 4 vcpu  |
+| AKS Arc Linux worker node       | Standard_A4_v2                         | 8-GB memory, 4 vcpu  |
+| AKS Arc Windows worker node     | Standard_K8S3_v1                       | 6-GB memory, 4 vcpu  |
 
 ## Supported values for control plane node sizes
 

azure-local/upgrade/post-upgrade-steps.md

@@ -3,7 +3,7 @@ title: Post-upgrade steps on Azure Local via PowerShell
 description: Learn how to perform the post-upgrade tasks for Azure Local using PowerShell.
 author: alkohli
 ms.topic: how-to
-ms.date: 03/03/2025
+ms.date: 03/10/2025
 ms.author: alkohli
 ms.reviewer: alkohli
 ms.service: azure-local
@@ -30,20 +30,6 @@ Before you begin, make sure that:
 - Make sure that all the machines in your system are healthy and show as **Online**.
 - You have access to a client that can connect to your system. This client should be running PowerShell 5.0 or later.
 
-## Step 0: Update registry keys
-
-Post-OS upgrade, update registry keys on each machine in the system to ensure that Resilient File System (ReFS) volume upgrade is enabled and metadata validation is turned on.
-
-Run the following command on each machine in the system to update registry keys:
-
-```powershell
-# Set RefsDisableVolumeUpgrade to 0
-Set-ItemProperty -Path "HKLM:\SYSTEM\CurrentControlSet\Control\FileSystem" -Name "RefsDisableVolumeUpgrade" -Value 0 -Type DWord -ErrorAction Stop
-
-# Set RefsEnableMetadataValidation to 1
-Set-ItemProperty -Path "HKLM:\SYSTEM\CurrentControlSet\Control\FileSystem" -Name "RefsEnableMetadataValidation" -Value 1 -Type DWord  -ErrorAction Stop
-```
-
 ## Step 1: Connect to your system
 
 Follow these steps on your client to connect to one of the machines of your system.

azure-local/upgrade/upgrade-22h2-to-23h2-other-methods.md

@@ -3,7 +3,7 @@ title: Upgrade Azure Stack HCI OS, version 22H2 to version 23H2 via other method
 description: Learn how to upgrade from Azure Stack HCI OS, version 22H2 to version 23H2 using other manual methods on Azure Local.
 author: alkohli
 ms.topic: how-to
-ms.date: 02/28/2025
+ms.date: 03/10/2025
 ms.author: alkohli
 ms.reviewer: alkohli
 ms.service: azure-local
@@ -31,7 +31,7 @@ The Azure Stack HCI operating system update is available via the Windows Update
 To upgrade the OS on your system, follow these high-level steps:
 
 1. [Complete prerequisites.](#complete-prerequisites)
-1. [Update registry keys.](#step-0-update-registry-keys)
+1. [Update registry key.](#step-0-update-registry-key)
 1. [Connect to your system.](#step-1-connect-to-your-system)
 1. Install new OS using one of the other methods:
    1. [Manual upgrade of a Failover Cluster using SConfig.](#method-1-perform-a-manual-os-update-of-a-failover-cluster-using-sconfig)
@@ -49,16 +49,11 @@ Before you begin, make sure that:
 - You have access to the Azure Stack HCI OS, version 23H2 software update. This update is available via Windows Update or as a downloadable media. The media is an ISO file that you can download from the [Azure portal](https://portal.azure.com/#view/Microsoft_Azure_HybridCompute/AzureArcCenterBlade/~/hciGetStarted).
 - You have access to a client that can connect to your Azure Local. This client should be running PowerShell 5.0 or later.
 
-## Step 0: Update registry keys
+## Step 0: Update registry key
 
-To avoid issues with Resilient File System (ReFS) during OS upgrade, update registry keys on each machine in the system to ensure ReFS volume upgrade is disabled and metadata validation is turned off.
-
-Run the following command on each machine in the system to update registry keys:
+To avoid issues with Resilient File System (ReFS) during OS upgrade, run the following command on each machine in the system to update registry key:
 
 ```powershell
-# Set RefsDisableVolumeUpgrade to 1
-Set-ItemProperty -Path "HKLM:\SYSTEM\CurrentControlSet\Control\FileSystem" -Name "RefsDisableVolumeUpgrade" -Value 1 -Type DWord -ErrorAction Stop
-
 # Set RefsEnableMetadataValidation to 0
 Set-ItemProperty -Path "HKLM:\SYSTEM\CurrentControlSet\Control\FileSystem" -Name "RefsEnableMetadataValidation" -Value 0 -Type DWord  -ErrorAction Stop
 ```

azure-local/upgrade/upgrade-22h2-to-23h2-powershell.md

@@ -3,7 +3,7 @@ title: Upgrade Azure Stack HCI OS, version 22H2 to version 23H2 via PowerShell
 description: Learn how to use PowerShell to upgrade Azure Stack HCI OS, version 22H2 to version 23H2.
 author: alkohli
 ms.topic: how-to
-ms.date: 03/03/2025
+ms.date: 03/10/2025
 ms.author: alkohli
 ms.reviewer: alkohli
 ms.service: azure-local
@@ -31,7 +31,7 @@ The Azure Stack HCI operating system update is available via the Windows Update
 To upgrade the OS on your system, follow these high-level steps:
 
 1. [Complete the prerequisites.](#complete-prerequisites)
-1. [Update registry keys.](#step-0-update-registry-keys)
+1. [Update registry key.](#step-0-update-registry-key)
 1. [Connect to Azure Local, version 22H2.](#step-1-connect-to-azure-local)
 1. [Check for the available updates using PowerShell.](#step-1-connect-to-azure-local)
 1. [Install new OS using PowerShell.](#step-2-install-new-os-using-powershell)
@@ -54,16 +54,11 @@ Before you begin, make sure that:
 
 Follow these steps to install the solution upgrade:
 
-## Step 0: Update registry keys
+## Step 0: Update registry key
 
-To avoid issues with Resilient File System (ReFS) during OS upgrade, update registry keys on each machine in the system to ensure ReFS volume upgrade is disabled and metadata validation is turned off.
-
-Run the following command on each machine in the system to update registry keys:
+To avoid issues with Resilient File System (ReFS) during OS upgrade, run the following command on each machine in the system to update registry key:
 
 ```powershell
-# Set RefsDisableVolumeUpgrade to 1
-Set-ItemProperty -Path "HKLM:\SYSTEM\CurrentControlSet\Control\FileSystem" -Name "RefsDisableVolumeUpgrade" -Value 1 -Type DWord -ErrorAction Stop
-
 # Set RefsEnableMetadataValidation to 0
 Set-ItemProperty -Path "HKLM:\SYSTEM\CurrentControlSet\Control\FileSystem" -Name "RefsEnableMetadataValidation" -Value 0 -Type DWord  -ErrorAction Stop
 ```

azure-local/upgrade/upgrade-22h2-to-23h2-windows-admin-center.md

@@ -3,7 +3,7 @@ title: Upgrade Azure Stack HCI OS, version 22H2 to version 23H2 via Windows Admi
 description: Learn how to upgrade Azure Stack HCI OS, version 22H2 to version 23H2 using Windows Admin Center.
 author: alkohli
 ms.topic: how-to
-ms.date: 03/03/2025
+ms.date: 03/10/2025
 ms.author: alkohli
 ms.reviewer: alkohli
 ms.service: azure-local
@@ -31,7 +31,7 @@ The Azure Stack HCI operating system update is available via Windows Update and
 To upgrade the OS on your Azure Local, follow these high-level steps:
 
 1. [Complete the prerequisites](#complete-prerequisites).
-1. [Update registry keys.](#step-0-update-registry-keys)
+1. [Update registry key.](#step-0-update-registry-key)
 1. [Connect to the Azure Local, version 22H2](#step-1-connect-to-azure-local-via-windows-admin-center).
 1. [Check for the available updates using Windows Admin Center.](#step-2-install-operating-system-and-hardware-updates-using-windows-admin-center)
 1. [Install the new OS, hardware and extension updates using Windows Admin Center.](#step-2-install-operating-system-and-hardware-updates-using-windows-admin-center)
@@ -50,16 +50,11 @@ Before you begin, make sure that:
 > [!NOTE]
 > The offline ISO upgrade method is not available when using Windows Admin Center. For these steps, see [Upgrade the operating system on Azure Local via PowerShell](./upgrade-22h2-to-23h2-powershell.md)
 
-## Step 0: Update registry keys
+## Step 0: Update registry key
 
-To avoid issues with Resilient File System (ReFS) during OS upgrade, update registry keys on each machine in the system to ensure ReFS volume upgrade is disabled and metadata validation is turned off.
-
-Run the following command on each machine in the system to update registry keys:
+To avoid issues with Resilient File System (ReFS) during OS upgrade, run the following command on each machine in the system to update registry key:
 
 ```powershell
-# Set RefsDisableVolumeUpgrade to 1
-Set-ItemProperty -Path "HKLM:\SYSTEM\CurrentControlSet\Control\FileSystem" -Name "RefsDisableVolumeUpgrade" -Value 1 -Type DWord -ErrorAction Stop
-
 # Set RefsEnableMetadataValidation to 0
 Set-ItemProperty -Path "HKLM:\SYSTEM\CurrentControlSet\Control\FileSystem" -Name "RefsEnableMetadataValidation" -Value 0 -Type DWord  -ErrorAction Stop
 ```