Virtual Center 2.5 - "The server took too long time to respond"

Hi,

I've an issue with my vmware virtual center 2.5 server. When i am connecting to VC client (Directly from the Server), i recieved an error:

"VMware infrastructure client could not establish the initial connection with server "localhost"

Details: The server tool too long time to respond.

The virtual center server contain 3 ESX 3.5. Everything works fine when i am connecting to the directly to the ESX server.

I've attaced the print screen.

Can anyone help me with this issue please?

Thanks

Shlomi.