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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.

 

Symptoms

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.

Cause

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

Workaround

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

  • Check IIS for the ASP.net version that is in use with the Desktop Director site.
  • Open Aspnet.config for editing in the following directory:
    C:\WINDOWS\Microsoft.NET\Framework64\v2.0.50727 

    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:
    c:\Windows\Microsoft.NET\Framework64\v2.0.50727

    For a 32-bit application it is:
    c:\Windows\Microsoft.NET\Framework\v2.0.50727

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

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

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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