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:

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

Cannot start app “App Name”

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://:

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