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Get-VMSwitchExtensionPortData

Retrieves the status of a virtual switch extension feature applied to a virtual network adapter.

Windows Server · Risk: Low · Documentation Verified

Last verified: 2026-10-26

Microsoft Hyper-V reference: Retrieves the status of a virtual switch extension feature applied to a virtual network adapter. The syntax and selected example below are adapted from the pinned Windows Server 2025 reference. Module availability, target configuration and delegated permissions determine whether it can run in your environment. Documentation and parameter text: Microsoft, CC BY 4.0; formatting adapted by Cmdlet World. No execution testing is claimed.

Get-VMSwitchExtensionPortData [-VMName] <String[]> [-VMNetworkAdapterName <String>]
 [-CimSession <CimSession[]>] [-ComputerName <String[]>] [-Credential <PSCredential[]>]
 [-FeatureName <String[]>] [-FeatureId <Guid[]>] [-Extension <VMSwitchExtension[]>] [-ExtensionName <String[]>]
 [<CommonParameters>]

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Required permissions

Use an account with the target resource permissions documented for Get-VMSwitchExtensionPortData. Modifying administrative cmdlets may require elevation or delegated administration. This catalog does not assert that ordinary users can execute the command.

Supported environments

Windows / Hyper-V · Windows Server 2025 documentation; feature/module prerequisites apply

Parameters

-CimSession: Runs the cmdlet in a remote session or on a remote computer. Enter a computer name or a session object, such as the output of a New-CimSession or Get-CimSession cmdlet. The default is the current session on the local computer.
-ComputerName: Specifies one or more Hyper-V hosts on which the status of a virtual switch extension applied to a virtual network adapter is to be retrieved. NetBIOS names, IP addresses, and fully qualified domain names are allowable. The default is the local computer. Use localhost or a dot (.) to specify the local computer explicitly.
-Credential: Specifies one or more user accounts that have permission to perform this action. The default is the current user.
-Extension: Specifies the virtual switch extension for which status is to be retrieved.
-ExtensionName: Specifies the name of the virtual switch extension for which status is to be retrieved.
-ExternalPort (required): Specifies the virtual switch port connected to the external network adapter.
-FeatureId: Specifies the unique identifier of the feature supported by the virtual switch extension.
-FeatureName: Specifies the name of the feature supported by the virtual switch extension.
-ManagementOS (required): Specifies that the status is to be retrieved from the management (i.e. parent, or host) operating system.
-SwitchName: Specifies the name of the virtual switch.
-VM (required): Specifies an array of virtual machine objects. The cmdlet gets the status of the virtual switch extension for the virtual machines that you specify. To obtain a virtual machine object, use the Get-VM cmdlet.
-VMName (required): Specifies the name of the virtual machine.
-VMNetworkAdapter (required): Specifies the virtual machine network adapter.
-VMNetworkAdapterName: Specifies the name of the virtual machine network adapter.

Prerequisites

Windows with the Hyper-V module and the Windows feature or management tools that provide it. Confirm target connectivity and version compatibility using the linked Microsoft reference.

Security considerations

This is a read-oriented cmdlet; protect any sensitive results and check the documented effects of your selected parameters.

Examples

Example 1

Get-VMSwitchExtensionPortData VM1 -FeatureId eb29f0f2-f5dc-45c6-81bb-3cd9f219bbbb

Gets the port feature data with ID eb29f0f2-f5dc-45c6-81bb-3cd9f219bbbb from the sample forwarding extension on the virtual network adapter in virtual machine VM1. Source: Microsoft, CC BY 4.0; transcript prompt/output removed. This example was not executed.

Sources

https://github.com/MicrosoftDocs/windows-powershell-docs/blob/b7645dd8c687139b28e845119da30ec670526507/docset/winserver2025-ps/Hyper-V/Get-VMSwitchExtensionPortData.md

https://learn.microsoft.com/powershell/module/hyper-v/get-vmswitchextensionportdata?view=windowsserver2025-ps

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