Symantec Protection Engine (SPE) console shows the license file you installed is invalid.

The SSE-CSAPI-License.slf is missing. 

To resolve the issue you need to put back the SSE-CSAPI-License.slf.

1. Download the SSE-CSAPI-License.slf file attach to this KB.
   
   1. Move the license files from the SPE machine that has the missing SSE-CSAPI-License.slf to a backup folder.
      
      License file location on Windows 2003 32-bit
               C:\Program Files\Common Files\Symantec Shared\Licenses
      
      License file location on Windows 2003 64-bit 
               C:\Program Files (x86)\Common Files\Symantec Shared\Licenses
      
      License file location on Windows 2008 and Windows 2012 64-bit
               C:\ProgramData\Symantec Shared\Licenses
      
      Note: The ProgramData folder is a hidden folder.  If you don't see it,  you will need to change the folder options to view hidden files and folders.
      
      License file Location on Linux
                /opt/Symantec/Licenses
       
2. Now copy the SSE-CSAPI-License.slf from this KB document into the Licenses folder
3. Stop and restart the SPE service.
4. Log in to the SPE Console and reinstall the license file.