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Patch Management / Patch Tuesday

Errors During WSUS Update Synchronization for April 2017 Updates

There have been multiple reports where WSUS and SCCM administrators are seeing the following error message when trying to sync updates:

SoapException: Fault occurred
at System.Web.Services.Protocols.SoapHttpClientProtocol.ReadResponse(SoapClientMessage message, WebResponse response, Stream responseStream, Boolean asyncCall)
at System.Web.Services.Protocols.SoapHttpClientProtocol.Invoke(String methodName, Object[] parameters)
at Microsoft.UpdateServices.ServerSyncWebServices.ServerSync.ServerSyncProxy.GetUpdateData(Cookie cookie, UpdateIdentity[] updateIds)
at Microsoft.UpdateServices.ServerSync.CatalogSyncAgentCore.WebserviceGetUpdateData(UpdateIdentity[] updateIds, List`1 allMetadata, List`1 allFileUrls, List`1& updatesWithSecureFileData, Boolean isForConfig)
at Microsoft.UpdateServices.ServerSync.CatalogSyncAgentCore.GetUpdateDataInChunksAndImport(List`1 neededUpdates, List`1 allMetadata, List`1 allFileUrls, Boolean isConfigData)
at Microsoft.UpdateServices.ServerSync.CatalogSyncAgentCore.GetAndSaveUpdateMetadata(List`1 updates)
at Microsoft.UpdateServices.ServerSync.CatalogSyncAgentCore.ExecuteSyncProtocol(Boolean allowRedirect)

Brian Mason has posted a potential solution on Twitter…

But, a member of the ConfigMgr team at Microsoft said this…

We do not recommend turning off upgrades in SCCM environments at this point since that will expire all of the upgrades in SCCM environments until the upgrades classification is rechecked and resynced. If you really need to get the updates synced, you can attempt this but note that it will affect current deployments of updates in that classification.


If you have a “WSUS only” environment, unchecking the  upgrades classification temporarily will not cause issues to current deployments.


Otherwise the recommendation is to retry syncs again at a later time as several that failed initially have gone through after a wait.

UPDATE April 12, 2017: The issue should now be resolved.

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