There is an update to Double-take 8.4 or 8.5 (for Windows 2022) available for Prinergy 11.0. Please contact your regional support office and reference Knowledge Base Answer ID 75659 to have it installed.
Double-take 8.2 should continue to work with Prinergy 11.0 running on Windows 2019, but 8.4/8.5 is the officially qualified version. The DT 8.4 update fixes the issue described in Answer ID 75473, so its recommended to update ASAP.
Note that Double-Take 8.5 MUST be used for Windows 2022. Double-take 8.5 is also compatible with Windows 2019. The Double-take 8.5 installer is available on Answer ID 76339.
Before updating, you will need to ensure you are eligible for a new Double-Take 8.4 license. Please contact your regional support office with your Double-Take 8.2 and Prinergy serial number, and they will confirm your eligibility.
When upgrading the primary server running on Windows 2019/2022 operating system with Double-Take 8.2 / 8.4 /8.5, perform the tasks listed in the specified order.
Note you can perform the steps below when upgrading to Prinergy 11.0 and then upgrade double-take to the appropriate after
- Go to Windows Services on both primary and EPM servers and STOP the Double-Take and Double-Take Management services and CHANGE them both to Disabled.
- Upgrade the primary server.
- Upgrade the secondary (failover) server.
- Go to Windows Services on both primary and EPM servers and CHANGE the Double-Take service to Automatic and start it, then CHANGE the Double-Take Management service to Automatic (Delayed Start) and start it.
Important reminder: do not start PrinergyDBRestore !!!!!!!!!
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.