The only "exclusive" access you should trust is through the official Kepware or PTC portals.
Built-in mechanisms to prevent data loss during network outages. kepserverex 64 3210 download exclusive
Every official download starts in a 2-hour trial mode. This allows you to test the full functionality of the 6.4.321.0 build before committing to a license. The only "exclusive" access you should trust is
Ensure port 49320 (default) is open in your firewall for the runtime service. kepserverex 64 3210 download exclusive
If you have an existing Support and Maintenance agreement, you can often upgrade or downgrade your version at no additional cost through the license manager. Technical Installation Tips If you are moving from an older V5 version to 6.4.321.0: