Unable to register Messaging Gateway license. Attempting to register license returns the error
Cannot register the specified license file.
Unable to communicate with Symantec to register. Please check your connection settings and try again. Connection error 56: Recv failure: Connection reset by peer
This is caused by either the proxy server or an intermediate firewall or other network device resetting the network connection from SMG to the proxy server. A connection is successfully made to the proxy server but is immediately reset.
Please review the logs and access control list on your proxy server and any firewalls between the SMG scanner and the proxy server.