title: System.Net.WebException: The request failed with HTTP status 401: Unauthorized
body: <p>Ok, so I have this .NET 1.1 application (written by someone way back) which is like a document repository and it worked fine in the past. I suddenly get this error when trying to search for items/documents:</p>
  
  <p>Page: /CPDEPforIT/SearchResults.aspx </p>
  
  <p>Error:</p>
  
  <blockquote>
    <p>System.Net.WebException: The request failed with HTTP status 401:
    Unauthorized. 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
    CPDEPforIT.InktomiSearchService.soapSearchService.getSearchResults(SearchInput
    in0) at CPDEPforIT.SearchResults.GetDatasetForSearchQuery(SearchInput
    searchInput) at CPDEPforIT.SearchResults.Page_Load(Object sender,
    EventArgs e) at System.Web.UI.Control.OnLoad(EventArgs e) at
    System.Web.UI.Control.LoadRecursive() at
    System.Web.UI.Page.ProcessRequestMain()</p>
  </blockquote>
  
  <p>I don't remember any changes. Could this have been caused by something external to the application (IIS configurations/permissions, Server, Database)?</p>