You might need to re-register Update Manager with vCenter Server in certain situations, for example when the IP address of vCenter Server or Update Manager changes.


Stop the Update Manager service.


  1. In the Options pane of the Update Manager Utility, click Re-register to vCenter Server.
  2. In the Configurations pane, provide the connection and authentication details.
    1. In the vCenter Server IP Address or Name text box, type the new IP address or host name of the vCenter Server system.
    2. In the User Name and the Password text boxes, type the administrator user name and password for the vCenter Server system.
  3. Click Apply.
  4. Restart the Update Manager service.


The Update Manager server is re-registered to the reconfigured vCenter Server system.