Citrix Web Interface Fails to Respond and Generates an Internal Error

When installing XenApp 5.0 Web Interface on Windows Server 2003 the following error can be observed when users visit the XenApp Websites.

“Internal Error. The Web site is experiencing technical difficulties. We apologize for any inconvenience. The internal error may only be temporary. Try reconnecting and, if the problem persists, contact your system administrator.”

Easy one to solve, its just that the NT Authority\Network Service account does not have the correct permissions to the “C:\WINDOWS\Microsoft.NET\Framework\v2.0.50727\Temporary ASP.NET Files” location.

Just give it the following NTFS permissions:

Read & Execute
List Folder Contents

and away the problem goes – see full article at


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