CMN Mail Connector service does not start. You also see the following in the log file
Error: "License Error: The license expired on Monday, January 01, 0001."
Registry key "SoftLicense" is corrupted.
1- Stop Mail Connector service
2- Delete registry key named "SoftLicense" located below:
3- Reboot the console
4- Verify sMail Connector service started. If not, start the service manually