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Remove-SmbMultichannelConstraint

Removes SMB multi-channel constraints.

Networking / Security · Risk: Critical · Documentation Verified

Last verified: 2026-10-26

Microsoft SmbShare reference: Removes SMB multi-channel constraints. 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.

Remove-SmbMultichannelConstraint [-ServerName] <String[]> [[-InterfaceIndex] <UInt32[]>] [-Force]
 [-CimSession <CimSession[]>] [-ThrottleLimit <Int32>] [-AsJob] [-PassThru] [-WhatIf] [-Confirm]
 [<CommonParameters>]

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Required permissions

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

Supported environments

Windows / SmbShare · Windows Server 2025 documentation; feature/module prerequisites apply

Parameters

-AsJob: Runs the cmdlet as a background job. Use this parameter to run commands that take a long time to complete.
-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.
-Confirm: Prompts you for confirmation before running the cmdlet.
-Force: Forces the command to run without asking for user confirmation.
-InputObject (required): Specifies the input object that is used in a pipeline command.
-InterfaceAlias: Specifies an array of interface aliases of the network interfaces that are no longer used by SMB to connect to the server.
-InterfaceIndex: Specifies an array of interface indexes of the network interfaces that are no longer used by SMB to connect to the server.
-PassThru: Returns an object representing the item with which you are working. By default, this cmdlet does not generate any output.
-ServerName (required): Specifies an array of servers from which to remove one or more constraints
-ThrottleLimit: Specifies the maximum number of concurrent operations that can be established to run the cmdlet. If this parameter is omitted or a value of 0 is entered, then Windows PowerShell® calculates an optimum throttle limit for the cmdlet based on the number of CIM cmdlets that are running on the computer. The throttle limit applies only to the current cmdlet, not to the session or to the computer.
-WhatIf: Shows what would happen if the cmdlet runs. The cmdlet is not run.

Prerequisites

Windows with the SmbShare 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 cmdlet changes system state. Review every target and parameter in the official reference, test outside production, and prepare an appropriate backup or rollback. Do not execute the example automatically.

Examples

Example 1: Remove SMB multi-channel constraints

Remove-SmbMultichannelConstraint -ServerName "Contoso-SO"

This command removes one or more SMB multi-channel constraints. These constraints determine the network interfaces to be used when connecting to specific servers. 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/SmbShare/Remove-SmbMultichannelConstraint.md

https://learn.microsoft.com/powershell/module/smbshare/remove-smbmultichannelconstraint?view=windowsserver2025-ps

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