Article ID: 119451, created on Jan 1, 2014, last review on May 11, 2014

  • Applies to:
  • Virtuozzo containers for Windows


  1. You have set up a WSUS server to automate installation of application updates inside PVC containers.

2.. WSUS synchronization fails with the following error message:

    An HTTP error occured
  1. Details of the error contain the following:

    WebException: The remote server returned an error: (400) Bad Request.
    at System.Net.HttpWebRequest.GetRequestStream(TransportContext& context)
       at System.Net.HttpWebRequest.GetRequestStream()
       at System.Web.Services.Protocols.SoapHttpClientProtocol.Invoke(String methodName, Object[] parameters)
       at Microsoft.UpdateServices.ServerSyncWebServices.ServerSync.ServerSyncProxy.GetAuthConfig()
       at Microsoft.UpdateServices.ServerSync.ServerSyncLib.InternetGetServerAuthConfig(ServerSyncProxy proxy, WebServiceCommunicationHelper webServiceHelper)
       at Microsoft.UpdateServices.ServerSync.ServerSyncLib.Authenticate(AuthorizationManager authorizationManager, Boolean checkExpiration, ServerSyncProxy proxy, Cookie cookie, WebServiceCommunicationHelper webServiceHelper)
       at Microsoft.UpdateServices.ServerSync.CatalogSyncAgentCore.SyncConfigUpdatesFromUSS()
       at Microsoft.UpdateServices.ServerSync.CatalogSyncAgentCore.ExecuteSyncProtocol(Boolean allowRedirect)


Proxy server for WSUS is not configured correctly


Go to Start -> Windows Server update Services -> Options -> Update Source and Proxy Server -> in the window that will be opened switch to the Proxy Server tab -> make sure the Proxy server configuration is correct.

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An HTTP error occured

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