1. Look for licstr.cpa & Autolicstr.cpa files under c:\windows\system32 folder.
2. Exclude these two files from being scanned by Anti Virus.
3. Make a backup copy of both the files on a different folder.
4. Delete licstr.cpa from c:\windows\system32 folder.
5. Rename autolicstr.cpa file to licstr.cpa.
6. Restart the Licensing Service.
7. Go to Server Management Console -> Licensing and you will have the actual number of CALS.