Hi All,
You might want to look into KB980773 and remove it or get the latest vSphere client which should fix this problem. Please look at my following post for more details:
I hope this help some one, if it does please reward points.
Enjoy,
Eiad Al-Aqqad
System X & Storage Technical Specialist
Founder of http://www.VirtualizationTeam.com
Founder of[http://www.TSMGuru.com]