The license key provides access to software pursuant to the terms of your license. It is an encrypted XML file with a file name ending in .key.
To install a license key:
The license key is applied to your system. There is no need to restart your server.
If there was a problem installing the license key, check the log file in:
Depending on whether the key was processed successfully or there was an error processing the key, the processed key goes into one of these folders: