How to solve when Citrix Licensing Service Will Not Start – Error 1067 ?

Cause of the problem;

The concurrent_state.xml and/or the activation_state.xml files become unusable.

Remedy;

following steps can be followed to upgrade Citrix to version 11.10 which would solve the error

1. Delete the concurrent_state.xml and the activation_state.xml files.

   1. C:\\Program Files\\Citrix\\Licensing\\ls\\conf directory on a 32-bit server

   2. C:\\Program Files(x86)\\Citrix\\Licensing\\ls\\conf directory on a 64-bit

2. Restart the license server.

It's need to delete or rename the files activation_state and concurrent_state in the citrix\\licensing\\is\\conf folder

Open Services.msc and stop the Citrix Licensing service.

Delete the concurrent_state.xml and the activation_state.xml files.

C:\\Program Files\\Citrix\\Licensing\\ls\\conf directory on a 32-bit server

C:\\Program Files(x86)\\Citrix\\Licensing\\ls\\conf directory on a 64-bit

Restart the license server.

The concurrent_state.xml and the activation_state.xml files are recreated after restarting the license server allowing the Citrix Licensing Service to successfully start and the Citrix License Server to function normally.

1st - Run Services.msc.

2nd - Stop the Citrix Licensing and Citrix Licensing Support Service.

3rd - Delete or rename concurrent_state.xml and activation_state.xml located in "C:\\Program Files (x86)\\Citrix\\Licensing\\LS\\conf: (in 64-bit OS) or "C:\\Program Files\\Citrix\\Licensing\\ls\\conf" (in 32-bit OS).

4th - Start the Citrix Licensing and Citrix Licensing Support Service again.