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XenDesktop 5.x – Desktop Director Web Page Loading Delay

I recommend that all that implement Citrix XenDesktop 5.x implement this fix to get a better performance when using Desktop Director.



The first Desktop Director user to log on, after IIS restarts, experiences a delay of over one to two minutes before the initial Desktop Director web page loads.


This issue is caused by a CRL check sent to Verisign.


You can disable signature verification to prevent the loading delays by completing the following tasks:

  • Check IIS for the version that is in use with the Desktop Director site.
  • Open Aspnet.config for editing in the following directory:

    Note: The ASPNET.CONFIG file is located in Framework Directory for the version of the Framework you are using. For example, for a 64-bit ASP.NET application it is:

    For a 32-bit application it is:

  • Add the following lines to your Aspnet.config file:

    <?xml version=”1.0″ encoding=”utf-8″?>
    <generatePublisherEvidence enabled=”false”/>

More Information

CTX117273 – Web Interface 5.x Delay on First Page

Best Practice – <GeneratePublisherEvidence> in ASPNET.CONFIG

FIX: A .NET Framework 2.0 managed application that has an Authenticode signature takes longer than usual to start

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