It has been a little while since I have last posted reason being that everything has been running smoothly until today!
Okay so on vCenter I was performing some VM changes in the settings and I got the following error
To resolve this if you have a windows based vCenter it is much simpler just restart the VMware vCenter service on the box and off you go but if you have a vCenter appliance you are going to need to perform a full reboot
Anyway I hope this helps
For more information please go to the following KB