WSUS upstream server synchronization failed since 8 Sept 2018.An Http error occured.

Hi Team,

Our WSUS upstream server synchronization failed since 8 Sept 2018.An Http error occured.

WebException: The operation has timed out
at System.Web.Services.Protocols.WebClientProtocol.GetWebResponse(WebRequest request)
   at Microsoft.UpdateServices.ServerSync.ServerSyncCompressionProxy.GetWebResponse(WebRequest webRequest)
   at System.Web.Services.Protocols.SoapHttpClientProtocol.Invoke(String methodName, Object[] parameters)
   at Microsoft.UpdateServices.ServerSyncWebServices.ServerSync.ServerSyncProxy.GetRevisionIdList(Cookie cookie, ServerSyncFilter filter)
   at Microsoft.UpdateServices.ServerSync.CatalogSyncAgentCore.WebserviceGetRevisionIdList(ServerSyncFilter filter, Boolean isConfigData)
   at Microsoft.UpdateServices.ServerSync.CatalogSyncAgentCore.ExecuteSyncProtocol(Boolean allowRedirect)

I have all methods but problem not fixed yet.Please help if any one have any work around.

Thanks in advance,

Thanks

Amar