can't connect vnc

Aug 24, 2012 at 4:47 AM

HI

  I find a problem that i can't use terminals tool connet the client which install VNC , i check the VNC port ,and it is 5900, then i put Ip address into terminals , and choose VNC connet type, but when i connect , it shows "sorry ,Terminals was unable to connect to the remote  machine,try again,or check the log for more information"

 how could i configured teminals tool to connect VNC successfully ?