Why do I get a port conflict when I try to install a Universal Forwarder on a box running vCenter Server?
vCenter 4.x & 5.x utilizes port 8089 as the SDK Tunneling Port. You will need to change one of the two applications to use a different port.
http://kb.vmware.com/selfservice/microsites/search.do?language=en_US&cmd=displayKC&externalId=101238...