Unable to connect to WSUS Administration Website

Article ID: 2737219 - View products that this article applies to.
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Symptoms

  • You are unable to connect to WSUS Administration Website while opening "Winodws Server Update Service"
  • In addition to this when you open Windows Small Business Server Console you get error message "An error occurred while retrieving updates information" under "Updates" tab.

You see HTTP Error 500 in IIS log file for WSUS Administration Website : 

2012-07-21 20:42:13 fe80::e3a4:2b81:92b4:c6e7%11 GET /selfupdate/iuident.cab - 8530 - fe80::e3a4:2b81:92b4:c6e7%11 - 500 24 50 3715

2012-07-21 20:42:13 fe80::e3a4:2b81:92b4:c6e7%11 POST /reportingwebservice/reportingwebservice.asmx - 8530 - fe80::e3a4:2b81:92b4:c6e7%11 Mozilla/4.0+(compatible;+MSIE+6.0;+MS+Web+Services+Client+Protocol+2.0.50727.4927) 500 24 50 422

2012-07-21 20:42:13 fe80::e3a4:2b81:92b4:c6e7%11 POST /ApiRemoting30/WebService.asmx - 8530 - fe80::e3a4:2b81:92b4:c6e7%11 Mozilla/4.0+(compatible;+MSIE+6.0;+MS+Web+Services+Client+Protocol+2.0.50727.4927) 500 24 50 6

2012-07-21 20:42:14 fe80::e3a4:2b81:92b4:c6e7%11 POST /ServerSyncWebService/serversyncwebservice.asmx - 8530 - fe80::e3a4:2b81:92b4:c6e7%11 Mozilla/4.0+(compatible;+MSIE+6.0;+MS+Web+Services+Client+Protocol+2.0.50727.4927) 500 24 50 601

2012-07-21 20:42:14 fe80::e3a4:2b81:92b4:c6e7%11 POST /ClientWebService/Client.asmx - 8530 - fe80::e3a4:2b81:92b4:c6e7%11 Mozilla/4.0+(compatible;+MSIE+6.0;+MS+Web+Services+Client+Protocol+2.0.50727.4927) 500 24 50 508

2012-07-21 20:42:14 fe80::e3a4:2b81:92b4:c6e7%11 POST /ReportingWebService/ReportingWebService.asmx - 8530 - fe80::e3a4:2b81:92b4:c6e7%11 Windows-Update-Agent 500 24 50 12078

2012-07-21 20:42:16 fe80::e3a4:2b81:92b4:c6e7%11 POST /SimpleAuthWebService/SimpleAuth.asmx - 8530 - fe80::e3a4:2b81:92b4:c6e7%11 Mozilla/4.0+(compatible;+MSIE+6.0;+MS+Web+Services+Client+Protocol+2.0.50727.4927) 500 24 50 547

2012-07-21 20:42:16 fe80::e3a4:2b81:92b4:c6e7%11 POST /DssAuthWebService/DssAuthWebService.asmx - 8530 - fe80::e3a4:2b81:92b4:c6e7%11 Mozilla/4.0+(compatible;+MSIE+6.0;+MS+Web+Services+Client+Protocol+2.0.50727.4927) 500 24 50 483

2012-07-21 20:43:01 fe80::e3a4:2b81:92b4:c6e7%11 POST /ApiRemoting30/WebService.asmx - 8530 - fe80::e3a4:2b81:92b4:c6e7%11 Mozilla/4.0+(compatible;+MSIE+6.0;+MS+Web+Services+Client+Protocol+4.0.30319.1) 500 24 50 8

After enabeling Failed Request Tracing on "WSUS Administration" and "ApiRemoting30" Websites  for Http status code 500, results in the following errors. 

http://<ServerName>:8530/ApiRemoting30/WebService.asmx 

App Pool WsusPool

Authentication NOT_AVAILABLE

User from token 

Activity ID {00000000-0000-0000-9000-0080000000D3}

 

Site 1572271583

Process 6860

Failure Reason STATUS_CODE

Trigger Status 500.24

Final Status 500.24

Time Taken 16 msec

 

 

ModuleName ConfigurationValidationModule

Notification 1

HttpStatus 500

HttpReason Internal Server Error

HttpSubStatus 24

ErrorCode 2147942450

ConfigExceptionInfo 

Notification BEGIN_REQUEST

ErrorCode The request is not supported. (0x80070032)

Errors in Application Logs

Log Name:      Application
Source:        Windows Server Update Services
Date:          7/22/2012 2:11:15 AM
Event ID:      7053
Task Category: None
Level:         Error
Keywords:      Classic
User:          N/A
Computer:      ServerName.domain.local
Description:
The WSUS administration console has encountered an unexpected error. This may be a transient error; try restarting the administration console. If this error persists,

Try removing the persisted preferences for the console by deleting the wsus file under %appdata%\Microsoft\MMC\.


System.InvalidOperationException -- Client found response content type of 'text/html; charset=utf-8', but expected 'text/xml'.
The request failed with the error message:

.

.

.

Source
System.Web.Services

Stack Trace:
   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.Internal.ApiRemoting.ExecuteSPGetUpdateServerStatus(Int32 updateSources, Boolean includeDownstreamComputers, String updateScopeXml, String computerTargetScopeXml, String preferredCulture, Int32 publicationState, Int32 propertiesToGet)
   at Microsoft.UpdateServices.Internal.DatabaseAccess.AdminDataAccessProxy.ExecuteSPGetUpdateServerStatus(UpdateSources updateSources, Boolean includeDownstreamComputers, String updateScopeXml, String computerTargetScopeXml, String preferredCulture, ExtendedPublicationState publicationState, UpdateServerStatusPropertiesToGet propertiesToGet)
   at Microsoft.UpdateServices.Internal.BaseApi.UpdateServer.GetStatus(UpdateSources updateSources, Boolean includeDownstreamComputers, UpdateScope updatesToInclude, ComputerTargetScope computersToInclude, UpdateServerStatusPropertiesToGet propertiesToGet)
   at Microsoft.UpdateServices.Internal.BaseApi.UpdateServer.GetReplicaStatus(UpdateSources updateSources)
   at Microsoft.UpdateServices.UI.SnapIn.Common.CachedUpdateServerStatus.GetFreshObjectForCache()
   at Microsoft.UpdateServices.UI.AdminApiAccess.CachedObject.GetFromCache()
   at Microsoft.UpdateServices.UI.SnapIn.Pages.ServerSummaryPage.backgroundWorker_DoWork(Object sender, DoWorkEventArgs e)

 

Cause

The above behavior is experienced due to incorrect settings on the WSUS Administration Website. By default we do not have "ASP .NET Impersonation" Enabled for any of the WSUS Administration Websites.

 

Resolution

Open IIS Console

  • Highlight WSUS Administration Website
  • Double click "Authentication"
  • Highlight ASP .NET Impersonation, on the right under "Action" pane click on "Disable"
  • Check the following websites under WSUS Administration and make sure ASP .NET Impersonation is Disabled. If any of the below Web Applications have ASP .NET Authentication Enabled, then disable them.
    • ApiRemoting30
    • ClientWebService
    • Content
    • DssAuthWebService
    • Inventory
    • ReportingWebService
    • Selfupdate
    • ServerSyncWebService
    • SipleAuthWebService
  • Restart IIS

 

Properties

Article ID: 2737219 - Last Review: December 26, 2012 - Revision: 4.0
Applies to
  • Windows Small Business Server 2011 Standard
  • Windows Small Business Server 2008 Standard
Keywords: 
KB2737219

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