How to Migrate SnapCenter migrate to another Server:
https://kb.netapp.com/Advice_and_Troubleshooting/Data_Protection_and_Security/SnapCenter/How_to_Migrate_SnapCenter_migrate_to_another_Server
Prerequisites:
a) The alternate server host name should be same as the primary server, but the IP address can be different.
b) SC Server version should be the same as the primary server.