You are encountering a connection error to Symantec.cloud service when using the Synchronization Tool.
Can't access the Symantec.cloud service. There was a problem communicating with the Symantec.cloud service server: ADB
You are currently using a version of the Schemus Tool that is older than version 1.50.06.
The latest version is now available in ClientNet at https://clients.messagelabs.com > Tools > Downloads.
Note: The installation will overwrite your current installation but maintain the existing configuration files.
If you would still like to backup the configuration, below is the directory:
Windows XP & Server 2003:
C:\Documents and Settings\All Users\Application Data\Schemus
Windows 7, 8, Vista, 10 & Server 2008, 2012, 2016: