Descriptions: You might need to re-register the Update Manager with vCenter Server in certain situations, for example when the IP address of vCenter Server or Update Manager changes. You do not need to worry, because it may not take more than 5 minutes if you do it correctly with the correct approach.
Prerequisites
Stop the Update Manager service
vSphere vCenter Server administrator credentials
Read more about this hereTechies Sphere: How to change VMware vSphere Update Manager’s IP Address?
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