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Merge pull request #7818 from MicrosoftDocs/main
Auto Publish – main to live - 2025-11-27 18:30 UTC
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WindowsServerDocs/failover-clustering/create-workgroup-cluster.md

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@@ -92,7 +92,7 @@ A consistent administrator user account must be created on each node. The userna
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1. If the nonbuiltin administrator account isn't used, then you need to set the LocalAccountTokenFilterPolicy in the registry. The policy can be done in PowerShell with the following command:
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```PowerShell
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New-itemproperty -path HKLM:\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System Name LocalAccountTokenFilterPolicy -Value 1​
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New-itemproperty -path HKLM:\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System -Name LocalAccountTokenFilterPolicy -Value 1​
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```
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---
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1. Run the PowerShell command:
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```PowerShell
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Install-WindowsFeature Name Failover-Clustering IncludeManagementTools
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Install-WindowsFeature -Name Failover-Clustering -IncludeManagementTools
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```
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1. Once the installation process is done, verify installation was successful by running these commands:
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1. After validation passes, create the workgroup cluster using the following command:
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```PowerShell
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New-Cluster Name MyCluster -Node server1, server2 -AdministrativeAccessPoint DNS
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New-Cluster -Name MyCluster -Node server1, server2 -AdministrativeAccessPoint DNS
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```
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1. After the cluster is successfully created, you can do things such as verify cluster [quorum configuration](/azure/azure-local/concepts/quorum?context=/windows-server/context/windows-server-failover-clustering), [create clustered roles](/windows-server/failover-clustering/create-failover-cluster#create-clustered-roles), and optionally, create [Cluster Shared Volumes (CSV)](failover-cluster-csvs.md).

WindowsServerDocs/networking/network-atc/network-atc.md

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@@ -4,7 +4,7 @@ description: Learn how to deploy host networking with Network ATC for Windows Se
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#customer intent: As a network administrator, I want to deploy host networking using Network ATC so that I can manage compute, storage, and management networks across all cluster nodes using the same adapters.
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author: robinharwood
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ms.topic: how-to
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ms.date: 07/18/2025
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ms.date: 11/20/2025
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ms.author: roharwoo
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ms.custom:
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- ai-gen-docs-bap
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Get-NetQosFlowControl | Disable-NetQosFlowControl
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```
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### Error: Network Symmetry Check Failure
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You might encounter a situation where functionally symmetric adapters have different component ID strings. It might occur if a substring is added to an adapter's component ID during an upgrade or when combining OCP and PCI NICs within the same intent. To work around this issue, you can disable the component ID based symmetry check by setting the `NicSymmetryCheckEnabled` registry key to 0. This setting allows Network ATC to proceed with the deployment without checking for symmetry based on component IDs. You should only use this workaround if you're certain that the adapters are functionally symmetric.
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```powershell
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Stop-Service -Name NetworkATC
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New-ItemProperty -Path 'HKLM:\SYSTEM\CurrentControlSet\Services\NetworkATC' -Name "NicSymmetryCheckEnabled" -Value 0 -PropertyType DWord
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Start-Service -Name NetworkATC
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```
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After you disable the component ID based symmetry check, you can continue with the intent deployment.
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### Error: RDMANotOperational
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:::image type="content" source="../media/network-atc/error-rdmanotoperational.png" alt-text="Screenshot of RDMA Not Operational error." lightbox="../media/network-atc/error-rdmanotoperational.png":::

WindowsServerDocs/virtualization/hyper-v/Supported-CentOS-and-Red-Hat-Enterprise-Linux-virtual-machines-on-Hyper-V.md

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| Boot using UEFI | Windows Server 2025, 2022, 2019, 2016 <br/>Azure Stack HCI | ✔ Note 14, 17 | ✔ Note 14 |
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| Secure boot | Windows Server 2025, 2022, 2019, 2016 <br/>Azure Stack HCI |||
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## RHEL/CentOS 7.x Series
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This series only has 64-bit kernels.
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| **Feature** | **Host OS** | **7.5-7.7** | **7.3-7.4** | **7.0-7.2** | **7.6-7.9** | **7.5** | **7.4** | **7.3** | **7.2** | **7.1** | **7.0** |
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|--|--|--|--|--|--|--|--|--|--|--|--|
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| LIS Availability | | [LIS 4.3](https://www.microsoft.com/download/details.aspx?id=55106) | [LIS 4.3](https://www.microsoft.com/download/details.aspx?id=55106) | [LIS 4.3](https://www.microsoft.com/download/details.aspx?id=55106) | Built-in | Built-in | Built-in | Built-in | Built-in | Built-in | Built-in |
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| [Core](Feature-Descriptions-for-Linux-and-FreeBSD-virtual-machines-on-Hyper-V.md#core) | Windows Server 2025, 2022, 2019, 2016<br />Azure Stack HCI |||||||||||
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| Windows Server 2016 Accurate Time | Windows Server 2025, 2022, 2019, 2016<br />Azure Stack HCI ||| |||| | | | |
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| \>256 vCPUs | | | | | ✔ Note 16 | | | | | | |
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| [Networking](Feature-Descriptions-for-Linux-and-FreeBSD-virtual-machines-on-Hyper-V.md#networking) | | | | | | | | | | | |
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| Jumbo frames | Windows Server 2025, 2022, 2019, 2016<br />Azure Stack HCI |||||||||||
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| VLAN tagging and trunking | Windows Server 2025, 2022, 2019, 2016<br />Azure Stack HCI |||||||||||
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| Live Migration | Windows Server 2025, 2022, 2019, 2016<br />Azure Stack HCI |||||||||||
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| Static IP Injection | Windows Server 2025, 2022, 2019, 2016<br />Azure Stack HCI | ✔ Note 2 | ✔ Note 2 | ✔ Note 2 | ✔ Note 2 | ✔ Note 2 | ✔ Note 2 | ✔ Note 2 | ✔ Note 2 | ✔ Note 2 | ✔ Note 2 |
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| vRSS | Windows Server 2025, 2022, 2019, 2016<br />Azure Stack HCI |||||||||| |
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| TCP Segmentation and Checksum Offloads | Windows Server 2025, 2022, 2019, 2016<br />Azure Stack HCI |||||||||| |
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| SR-IOV | Windows Server 2025, 2022, 2019, 2016<br />Azure Stack HCI ||| |||| | | | |
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| [Storage](Feature-Descriptions-for-Linux-and-FreeBSD-virtual-machines-on-Hyper-V.md#storage) | | | | | | | | | | | |
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| VHDX resize | Windows Server 2025, 2022, 2019, 2016<br />Azure Stack HCI ||||||||| | |
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| Virtual Fibre Channel | Windows Server 2025, 2022, 2019, 2016<br />Azure Stack HCI | ✔ Note 3 | ✔ Note 3 | ✔ Note 3 | ✔ Note 3 | ✔ Note 3 | ✔ Note 3 | ✔ Note 3 | ✔ Note 3 | ✔ Note 3 | ✔ Note 3 |
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| Live virtual machine backup | Windows Server 2025, 2022, 2019, 2016<br />Azure Stack HCI | ✔ Note 5 | ✔ Note 5 | ✔ Note 5 | ✔ Note 4,5 | ✔ Note 4,5 | ✔ Note 4, 5 | ✔ Note 4, 5 | ✔ Note 4, 5 | ✔ Note 4, 5 | ✔ Note 4, 5 |
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| TRIM support | Windows Server 2025, 2022, 2019, 2016<br />Azure Stack HCI ||||||||| | |
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| SCSI WWN | Windows Server 2025, 2022, 2019, 2016<br />Azure Stack HCI ||||| | | | | | |
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| [Memory](Feature-Descriptions-for-Linux-and-FreeBSD-virtual-machines-on-Hyper-V.md#memory) | | | | | | | | | | | |
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| PAE Kernel Support | Windows Server 2025, 2022, 2019, 2016<br />Azure Stack HCI | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A |
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| Configuration of MMIO gap | Windows Server 2025, 2022, 2019, 2016<br />Azure Stack HCI |||||||||||
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| Dynamic Memory - Hot-Add | Windows Server 2025, 2022, 2019, 2016<br />Azure Stack HCI | ✔ Note 8, 9, 10 | ✔ Note 8, 9, 10 | ✔ Note 8, 9, 10 | ✔ Note 8, 9, 10 | ✔ Note 9, 10 | ✔ Note 9, 10 | ✔ Note 9, 10 | ✔ Note 9, 10 | ✔ Note 9, 10 | ✔ Note 8, 9, 10 |
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| Dynamic Memory - Ballooning | Windows Server 2025, 2022, 2019, 2016<br />Azure Stack HCI | ✔ Note 9, 10 | ✔ Note 9, 10 | ✔ Note 9, 10 | ✔ Note 9, 10 | ✔ Note 9, 10 | ✔ Note 9, 10 | ✔ Note 9, 10 | ✔ Note 9, 10 | ✔ Note 9, 10 | ✔ Note 9, 10 |
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| Runtime Memory Resize | Windows Server 2025, 2022, 2019, 2016<br />Azure Stack HCI |||| | | | | | | |
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| [Video](Feature-Descriptions-for-Linux-and-FreeBSD-virtual-machines-on-Hyper-V.md#video) | | | | | | | | | | | |
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| Hyper-V-specific video device | Windows Server 2025, 2022, 2019, 2016<br />Azure Stack HCI |||||||||||
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| [Miscellaneous](Feature-Descriptions-for-Linux-and-FreeBSD-virtual-machines-on-Hyper-V.md#miscellaneous) | | | | | | | | | | | |
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| Key-Value Pair | Windows Server 2025, 2022, 2019, 2016<br />Azure Stack HCI |||| ✔ Note 4 | ✔ Note 4 | ✔ Note 4 | ✔ Note 4 | ✔ Note 4 | ✔ Note 4 | ✔ Note 4 |
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| Non-Maskable Interrupt | Windows Server 2025, 2022, 2019, 2016<br />Azure Stack HCI |||||||||||
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| File copy from host to guest | Windows Server 2025, 2022, 2019, 2016<br />Azure Stack HCI |||| ✔ Note 4 | ✔ Note 4 | ✔ Note 4 | ✔ Note 4 | ✔ Note 4 | ✔ Note 4 |
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| lsvmbus command | Windows Server 2025, 2022, 2019, 2016<br />Azure Stack HCI |||| | | | | | | |
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| Hyper-V Sockets | Windows Server 2025, 2022, 2019, 2016 |||| | | | | | | |
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| PCI Passthrough/DDA | Windows Server 2025, 2022, 2019, 2016<br />Azure Stack HCI ||| ||||| | | |
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| [Generation 2 virtual machines](Feature-Descriptions-for-Linux-and-FreeBSD-virtual-machines-on-Hyper-V.md#generation-2-virtual-machines) | | | | | | | | | | | |
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| Boot using UEFI | Windows Server 2025, 2022, 2019, 2016<br />Azure Stack HCI | ✔ Note 14 | ✔ Note 14 | ✔ Note 14 | ✔ Note 14 | ✔ Note 14 | ✔ Note 14 | ✔ Note 14 | ✔ Note 14 | ✔ Note 14 | ✔ Note 14 |
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| Secure boot | Windows Server 2025, 2022, 2019, 2016<br />Azure Stack HCI |||||||||||
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## Notes
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1. For this RHEL/CentOS release, VLAN tagging works but VLAN trunking doesn't.

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