COMMAND EVERYTHING.

Set-WsusServerSynchronization

Sets whether the WSUS server synchronizes from Microsoft Update or an upstream server.

PowerShell · Risk: High · Documentation Verified

Last verified: 2026-10-26

Microsoft UpdateServices reference: Sets whether the WSUS server synchronizes from Microsoft Update or an upstream server. 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.

Set-WsusServerSynchronization [-UpdateServer <IUpdateServer>] -UssServerName <String> [-PortNumber <Int32>]
 [-UseSsl] [-Replica] [-WhatIf] [-Confirm] [<CommonParameters>]

Copied 0 times

Required permissions

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

Supported environments

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

Parameters

-Confirm: Prompts you for confirmation before running the cmdlet.
-PortNumber: Specifies the port number to use to communicate with the upstream WSUS server.
-Replica: Specifies whether the WSUS server is a replica server.
-SyncFromMU (required): Specifies that the WSUS server synchronizes updates from Microsoft Update.
-UpdateServer: Specifies the object that contains the WSUS server. This value is obtained by calling the Get-WsusServer cmdlet and passing the resulting IUpdateServer object into this cmdlet.
-UseSsl: Specifies that the WSUS server should use SSL via HTTPS to communicate with an upstream server.
-UssServerName (required): Specifies the name of a local server from which to synchronize updates.
-WhatIf: Shows what would happen if the cmdlet runs. The cmdlet is not run.

Prerequisites

Windows with the UpdateServices 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: Synchronize from a specified server

Set-WsusServerSynchronization -UssServerName "Test" -PortNumber 42 -UseSSL

This command specifies that the local WSUS Server is to synchronize from another server named Test using port number 42 and the SSL protocol. 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/UpdateServices/Set-WsusServerSynchronization.md

https://learn.microsoft.com/powershell/module/updateservices/set-wsusserversynchronization?view=windowsserver2025-ps

Personal collections

Explain or customize this command with AI

Related commands