Ensure that the N1 System Manager Start on Reboot feature has been disabled as described in Disabling N1 System Manager Start on Reboot.
Log in as root on the management server.
Edit the file /etc/hosts and change the displayed hostname and IP address to the new hostname and IP address.
Edit the file /etc/nodename and change the displayed hostname to the new hostname.
Edit the /etc/hostname.port type where port type is the name of the Ethernet port type.
The port type name is dependent on the underlying hardware, for example /etc/hostname.bge0 or /etc/hostname.hme0.
Change the displayed hostname to the new hostname.
Power down the management server.
Connect the management server to the new network.
Reboot the management server.
When the management server has completed rebooting, ensure that no N1 System Manager processes are running.
Reconfigure the N1 System Manager system files as described in Reconfiguring the Management Server.