Backup the activated license(s)
After activating one or more licenses, you will need to backup the activated licenses (trusted storage).
The backup copy is needed in some situations like if the computer/server is crashed or if the activated licenses got broken or perhaps a case that you formatted the computer/server without a successful deactivation of the activated licenses.
Trusted Storage is the place where the licensing information is stored on your server computer, and it is located in:
(Windows 7 and Windows 8)
If this folder is not visible in the Windows Explorer, go to Organize > Folder and search options tab View in the Explorer. Next check the option Show hidden files, folders and drives in category Advanced settings.