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Asked: 2026-05-26T23:54:12+00:00

In SSRS Report Server (SQL Server 2008 R2), I have a shared data source

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In SSRS Report Server (SQL Server 2008 R2), I have a shared data source with data source type of XML. I have a report that uses a shared data set based off of the shared data source. The XML endpoint is living in an IIS-hosted Windows authentication app, and my development server is on a domain.

In Report Server, if I set the shared data source Connect Using option to Windows integrated security, the report renders quickly and as expected.

If I set Connect Using option to Credentials stored securely in the report server (with either domain or local account as configured account), the report rendering hangs indefinitely. There is no error. The “Loading… cancel” popup never goes away. The last line in the Report Server log file says: 

library!ReportServer_0-6!19a4!11/22/2011-10:59:27:: i INFO: RenderForNewSession('/Test1/MyReportThatHangs')

Since Report Server caching does not work with "Connect Using" = "Windows integrated security", I’d really like to use “Credentials stored securely in the report server”. Is it possible that option is not supported with the XML data source type?

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1 Answer

  1. Editorial Team

    The problem was SSRS was trying to load BCMLogon.dll which it didn’t have permission to.

    For full thread, see here: http://social.msdn.microsoft.com/Forums/en-US/sqlreportingservices/thread/928cd523-9eeb-49ce-a145-e0885c76adba

    I guess I didn’t wait long enough to get the error this guy did:
    http://completedevelopment.blogspot.com/2009/01/network-provider-issues-and-sql-server.html
    Renaming c:\windows\system32\BCMLogon.dll to BCMLogon-RENAMED.dll
    fixed the problem (I’m working off of a Dell laptop). I can’t believe
    I didn’t try that before… Anyhow, I still think it’s odd that
    there was a System.Data.SqlClient.SqlException: Timeout expired
    exception when checking “Impersonate the authenticated user after a
    connection has been made to the data source” with an XML data source
    (unless SqlDataClient has some mode where it can load XML from urls).
    Also, it seems that reporting services isn’t properly notifying
    clients that the HTTP request failed and instead leaves the client
    hanging (but perhaps http.sys does not allow a response that after 15
    minutes).

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