Should there be a need to change IP address settings of an existing vCenter Server registered with Prism Element or Prism Central, the goal can be achieved in three steps:

1. Unregister the vCenter Server from the cluster before changing the IP address of the vCenter Server. After you change the IP address of the vCenter Sever, you should register the vCenter Server again with the new IP address with the cluster.
   • Instructions for Prism Element
   • Instructions for Prism Central
2. Change vCenter Server IP address settings.
3. Register your cluster with the new vCenter Server following instructions below:
   • Managing vCenter Server Registration Changes in Prism Element
   • Managing vCenter Server Registration Changes in Prism Central

Optional steps:

• run NCC Health Check: check_vcenter_connection
• troubleshoot if necessary following KB-4492