This issue occurs on WSUS servers that are running Windows Server 2012, Windows Server 2012 R2, Windows Server 2016, or Windows Server 2019. And the usual synchronization with WU and MU continues to work. However, some WSUS servers can still import updates successfully. Starting at the end of July 2020, you might have found you can't manually import updates. For example, preview updates that are released in the third and fourth weeks of the month must be manually imported. Many users import updates into WSUS manually, and some updates must be imported manually. Issue 1: Manual import fails, but synchronization succeeds If necessary, troubleshoot connection issues with the endpoint. If you're still using or, change to the new endpoint by following the steps in WSUS synchronization fails with SoapException. Windows Server 2012 and later versions should be configured to use the endpoint. # Check current settings before you change them To find the current synchronization endpoint, run the following PowerShell script: $server = Get-WsusServer Open an elevated PowerShell Command Prompt window on the WSUS server. When you experience WSUS synchronization or manual import problems, first check which endpoint you're synchronizing with: However, Windows Update clients configured to synchronize with Microsoft Update may continue to use this endpoint. This old endpoint is decommissioned as a WSUS synchronization endpoint, and connections to it will fail. This endpoint supports TLS 1.2, TLS 1.1, and TLS 1.0 connections. For more information, see End of synchronization for WSUS 3.0 SP2. This old endpoint will be decommissioned eventually. Starting from July 2020, this endpoint accepts only Transport Layer Security (TLS) 1.2 connections. Most WSUS servers should synchronize with this new endpoint. EndpointsĬurrently WSUS uses the following endpoints to synchronize metadata: You can use some of these troubleshooting techniques (such as network captures) for many other issues, too. This article describes how to troubleshoot some common problems. Starting in July 2020, users have experienced WSUS synchronization and import problems with the Windows Update (WU) or Microsoft Update (MU) endpoints. Applies to: Windows Server Update Services
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