When performing the full Backup on the existing Communication Manager server, write down the existing Communication Manager host name, DNS information, and the information listed below that you need to manually enter after restoring the backup.
When upgrading Communication Manager from 10.2.x to 10.3.x using the full backup, Communication Manager restores all the configuration files.
After a full backup upgrade of Communication Manager, the following must be manually configured using the Communication Manager System Management Interface:
Schedule Backup
Manually configure the SID and MID fields of the server after the restore process. This is needed for the file sync to work between the Survivable Remote server, Survivable Core server, and the Main server.
Note:
You also need to enable the required options in Communication ManagerSystem Management InterfaceLicense page.
