I deleted and reinstalled the whole thing, it works now.

Thanks all for your time.

Hey i am running SQL server 2000 sp4.

I have checked all the steps in the troubleshooting and they are configured as listed and still i am unable to connect.

Can some...

Firewalls are disabled.

Last week i have installed sucessfully SQL server on another server and moved it to production with out any issues.

Its so weird that this server is giving such...

Thanks David.

I am using Standard edition and tcp/ip is enabled.

Still unable to connect.