Provisioned XenApp Servers do not Accept Connections

Provisioned XenApp servers do not accept connections when restarted while the license server is unavailable.

Requirements
  • Provisioned XenApp servers
  • XenApp 6.0
  • License Edition 11.9
Background

The license server cache file, MPS-WSXICA_MPS-WSXICA.ini, is saved in the %systemroot%Program FilesCitrix folder, which might be unavailable when the server image shuts down and Provisioned XenApp servers refuse to accept connections when they are restarted while the license server is unavailable.
Procedure
The following are the steps to complete the task:

Save the license server cache file in a shared network location – a location separate from the XenApp server image so that the file is available even when the server image shuts down.
If you save the file in a location away from the server image, you must set the following registry key to point to the cache file location:
Caution! This fix requires you to edit the registry. Using Registry Editor incorrectly can cause serious problems that may require you to reinstall your operating system. Citrix cannot guarantee that problems resulting from the incorrect use of Registry Editor can be solved. Use Registry Editor at your own risk. Be sure to back up the registry before you edit it.”

HKEY_LOCAL_MACHINESOFTWAREWow6432NodeCitrixInstall
Name: LSWSXICALocation
Type: REG_SZ
Data: <network location of license server cache file>

Restart the server after editing this registry to cache the license file.

Read the complete article on the Citrix knowledgebase here.

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