Explanation: Could not add the vpnServerAuxClass.
Possible Cause: The VPN schema might not be extended.
Action: Extend the VPN schema. Take the VPNMigration.ncf file from the vpnupgrade folder under the unsupported directory and place it in the sys volume. Make the changes in the NCF file according to the readme provided in the same directory and run it from the server console, and restart the server.