The usual things to check first:
Can you ping the server?
Can you tnsping the server?
Is the listener started?
Are your tnsnames.ora and listener.ora files properly set up?
<ckquan_at_my-deja.com> wrote in message news:7r4ac7$dm0$1_at_nnrp1.deja.com...
> hello:
> I have install the oracle(server) into windowsNT,but when I want
> to go into the database,after I have enter the username and password,
> it reponds to me 'TNS-12203 TNS:unable to connect to destination'.who
> can tell me what this means.What should I do?
> Look forward to your answer!
> Thank you very much.
> ckq
>
>
> Sent via Deja.com http://www.deja.com/
> Share what you know. Learn what you don't.
Received on Tue Sep 07 1999 - 19:46:21 CDT
