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WSUS Admin Web Page returning a 404 Error RRS feed

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    Hi all,

    We're running WSUS version: 10.0.14393.2969 on Windows Server 2016. When I try to access the client.asmx page, I get the following:

    • Server Error in '/' Application.

      The resource cannot be found.

      Description: HTTP 404. The resource you are looking for (or one of its dependencies) could have been removed, had its name changed, or is temporarily unavailable.  Please review the following URL and make sure that it is spelled correctly. 

      Requested URL: /​​​​​​​ClientWebService/client.asmx

    If I run the wsusutil.exe checkhealth, my event logs show lots of errors: 

    • Self Update is not working
    • The server is failing to download some updates (the main console page shows 0 updates needing files though?)
    • The reporting web service is not working
    • The API Remoting Web Service is not working
    • The Server Synchronization web service is not working
    • The client web service is not working
    • The SimpleAuth Web Service is not working (This is not true though, if I go to http://<wsus server>/SimpleAuthWebService/SimpleAuth.asmx it returns the Simple Auth web page
    • The DSS Authentication Web Service is not working
    • The WSUS content directory is not accessible. System.Net.WebException: The remote server returned an error: (400) Bad Request. at System.Net.HttpWebRequest.GetResponse() at Microsoft.UpdateServices.Internal.HealthMonitoring.HmtWebServices.CheckContentDirWebAccess(EventLoggingType type, HealthEventLogger logger)

    Alot of systems are updating from this server properly though, however, we are having lots of clients that can not update either.   Here's an example of an error log from a Windows Server 2016 system:

    WebServices     WS error: There was an error communicating with the endpoint at 'http://<wsus server>/ClientWebService/client.asmx'.2019/08/30 13:19:19.8805521 936   6116  WebServices     WS error: There was an error receiving the HTTP reply.
    2019/08/30 13:19:19.8805580 936   6116  WebServices     WS error: The operation did not complete within the time allotted.
    2019/08/30 13:19:19.8805829 936   6116  WebServices     WS error: The operation timed out
    2019/08/30 13:19:19.8805894 936   6116  WebServices     Web service call failed with hr = 8024401c.

    I'm confused, because I can't seem to find the IIS logs for the WSUS website, the "Logs" icon is missing from the IIS admin console?  Any ideas on how to proceed with troubleshooting this issue? 

    Friday, August 30, 2019 6:17 PM

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