Usually, the IP address of the Symantec Messaging Gateway Control Center will keep unchanged after the installation. But, in case you must change the IP address of the appliacen that is hosting your Control Center, you must change the IP address of the Control Center host firstly, then run the agent-config command from each Scanner's command line interface to re-allow connections from the new Control Center host IP to that Scanner.
Here are the detail steps:
1. Log into SMG Control Center from web concole as admin account;
2. Click 'Administration' --> 'Host' --> 'Configuration', click to select the Control Center from the host list:
3. Select 'Ethernet' tab, then change the IP address in the Ethernet Interface configuration page:
4. Click Save button, the new IP address will be save to Control Center:
5. There will be a notification after the setting updated:
6. Log into the Control Center appliance from the command line, and run the command "service controlcenter restart":
7. Log into the Scanner appliacen from the command line, run the command "agent-config -s" and you will find out the IP address of the Control Center is still the old one:
8. Run the command "agent-config -d 10.200.55.30" to delete the old IP address, then run the command "agent-config -a 10.200.55.40" to add the new IP address of the Control Center:
9. Then you can use the new IP address of the Control Center.