When upgrading Communication Manager from R7.x or R8.x to R10.2, you can take a backup from Communication Manager R7.x or R8.x and restore the following files on Communication Manager R10.2:
All Communication Manager configuration
Certs
Linux Users
Before you begin
Before creating a backup, ensure that the hostname string does not contain ‘_’ (underscore) character in it. If the hostname with ‘_’ character already exists, then change the hostname.
Log in to the Communication ManagerSystem Management Interface with administrator privilege user credentials.
On the Administration menu, click Server (Maintenance).
In the left navigation pane, click Data Backup/Restore > Backup Now.
The system displays the Backup Now page.
Click Specify Data Sets and select the required .
In the Network Device section, select the backup method and type the user name, password, hostname, and path of the directory in which you stored the data.
Under the Encryption section, in the Encrypt backup using pass phrase, enter a password to backup the data.
The pass phrase must be an arbitrary string of 15 to 256 characters, and it can contain the following characters: a-z, A-Z, 0-9, period (.), underscore (_), dollar sign ($), pound sign (#), equal sign (=), plus sign (+).
Click Start Backup.
On the Backup Now Results page, the system displays the message Backup Successfully Completed.