The Enforce console reports more license counts after adding new license .slf file.
NOTE: There is no functionality to remove licenses from the Enforce UI
Symantec Data Loss Prevention (DLP) Enforce, 15.x, 16.x
The .slf file itself reflects the correct license count, however rather than replacing the old license file it was added to it.
NOTE: The enforce console does not replace old licenses and will only add to the license count.
To remove some or all of the licenses from the Enforce Server.
It will take a minute or two before you can log back into the Enforce console. Once you log in, re add the licenses from the GUI.