SSL certificates took on an important role in vSphere 5.1, and managing the certificates that the vSphere environment required became another challenge that vSphere administrators needed to tackle.
I've read some horror stories here about woes of upgrading/replacing self-signed certificates with CA signed certificates in vcenter...I want to avoid it for those reasons however I'm working on ...
So I have a vCenter with two hosts that all live on a private management network. The vCenter is running its self-signed stuff. I wanted to replace them with real certs from my CA. It was already fun ...