This is actually a good reason to not install to many other apps (even VMWare related)  on the same VM as vCenter.   I ran into this problem as well since I installed the Emulex OCM for VMware (uses a tomcat service).

The KB for this issue is out.

http://kb.vmware.com/selfservice/microsites/search.do?language=en_US&cmd=displayKC&externalId=206059...