Can't join win7 to Win srv 2003

[acer]

AOA

windows 7 ultimate ko windows server 2003 mai domain join kara rha hun.per ho nahe raha hai.WIN 7 ki machine Server ko Ping be kar raha hai.per Domain join nahe kar raha.please help.

Thanks

[bais]

windows 7 ultimate ma prob hai k ye 2008 domain se connect hoti....aur ap win 2003 use kar rahe hain. maine try kiya tha ye win 2008 pe hoti hai connect bs...agr koi aur tariqa hai toumuje b batana.........