vCenter 5.1 Web Client Service does not start

Hello guys,

I installed in my LAB and worked the installation of vCenter 5.1, all ok.

Now I installed in the Production environment and all installation ok, but the VMware vSphere Web Client service, do not start, I really do know not why, the only log I have, it´s from Windows:

The VMware vSphere Web Client service terminated with service-specific error 1 (0x1)

I tried this KB, but do not worked for me!!!!

http://kb.vmware.com/selfservice/microsites/search.do?cmd=displayKC&docType=kc&externalId=2012473&sliceId=1&docTypeID=DT_KB_1_1&dialogID=482354284&stateId=1%200%20482360762

Any help please???

Thanks.