Citrix Receiver Error – unable to launch as the application is not currently available

Environment

XenDesktop 7

Storefront 2.0

Catalog – Hosted Shared

Issue

Citrix Receiver throws an error “unable to launch as the application is not currently available” when attempting to launch published applications within a desktop session.

Resolution

Check the status of the XML Service Trust settings for the XenDesktop site and XML Requests must be trusted and the value should be set to $true.

First load the XenDesktop PowerShell commandlets on the Desktop Delivery Controller server as below

asnp Citrix*

Check the status of the XML service Port request trust as below (the last item)

Get-BrokerSite

Change the status of the trust request by running

Set-BrokerSite -TrustRequestsSentToTheXmlServicePort $true

Verify the status by running Get-BrokerSite


Test the connections