Symantec recommends that you back up your license files. Backing up the license files preserves the license files in case the database or the console computer's hard disk becomes damaged.
By default, when you import the license file using the Licensing Activation Wizard, Symantec Endpoint Protection Manager places a copy of the license file in the following default location: C:\Program Files (x86)\Symantec\Symantec Endpoint Protection Manager\Inetpub\license
If you misplaced the license files you originally downloaded or received by email, you can download the files again from the Symantec Licensing Portal website.
To back up your license files
Using Windows, copy the .slf license files from the directory where you saved the files to another computer of your choice.
See your company's procedure for backing up files.