I have a very small setup - just one vCenter Server and three ESXI hosts.
It's a brand-new installation of vCenter Server 5.5, and I've successfully added two of the hosts (both ESXi 5.1)
The other host, however, is refusing to be added!
Originally it was on ESXi 5.0, but when that failed to add, we upgraded it to ESXi 5.5 - but that's made no difference!
The message we get is:
The host is working absolutely as expected, and can be accessed through vSphere client in the usual way - I just can't add it into vSphere Web Client
Any help much appreciated
John