Tuesday, April 22, 2014

Launching a Citrix XenDesktop 7.x application through a Netscaler VPX 1000 version 10 throws the error: “Cannot start app AppName”

Problem

You’ve completed configuring your NetScaler VPX appliance to publish a Citrix XenDesktop 7.x environment with StoreFront 2.x and successfully log into the portal:

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However, you notice that you receive the following error as soon as you launch an application:

Cannot start app “App Name”

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Solution

One of the reasons why you would receive this error is if you have mismatching Secure Ticket Authority (STA) between the NetScaler and the StoreFront configuration.  The environment I was troubleshooting had the NetScaler configured with http:// while the StoreFront configured as https://:

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The correct configuration is http:// so change the StoreFront to reflect the URLs corrected the issue.

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