When upgrading the primary server running on Windows 2016 operating system with Double-Take 8.2, perform the tasks listed in the specified order.

1. Disconnect the Prinergy DB replication job on the primary server:
   1. Open Double-Take Console: Go to Start > All Applications > Double-Take Console, or double-click Console UI.exe in C:\Program Files\Vision Solutions\Double-Take\Console.
   2. From the Go menu, select Manage Jobs.
   3. Right-click the PrinergyDb job, and select Stop.
2. Upgrade the primary server.
3. Upgrade the secondary (failover) server.
4. Reconnect the PrinergyDB replication job:
   1. On the primary server, open Double-Take Console: Go to Start > All Applications > Double-Take Console, or double-click Console UI.exe in C:\Program Files\Vision Solutions\Double-Take\Console.
   2. From the Go menu, select Manage Jobs.
   3. Right-click the PrinergyDb job, and select Start.
   4. Wait for the Activity to become Protecting and the Mirror Status to become Idle.
   5. Close or quit Double-Take Replication Console.

For more detailed instructions on connecting the PrinergyDB replication job, see the EPM (Emergency Platemaking) and Hot Standby with Double-Take for Prinergy 9.x Installation Guide
Note: After completing the upgrade of all servers, a failover test must be completed to ensure the hot standby support is working correctly.