Hi I am Dinu...
I am unable to connect to server 2005 database located in server 2003 from client machine xp sql clinet please can help me out with this problem.

Connect from what, what happens when you try, Need more details.

I have installed sql server 2005 in 2003 server and in client also but its not connecting from client to server.*** tell me that what I must configure in server and client machines.

Please provide more info like I asked for so we can help.