Re: ora-12514

Check the value of service_names:

   SQL> show parameter service_names

Then make sure your tnsnames.ora uses SERVICE_NAME (not SID) within CONNECT_DATA and the value of SERVICE_NAME matches the value returned by the above query (normally db_name.db_domain)  

   CONNECT_DATA=(SERVICE_NAME=db_name.db_domain))

Hamid Alavi wrote:
>
> Hi list,
> I asked this question this morning but no reply so I try again may be some
> chace.
> I have created a new instance under 8.1.7 and test it yesterday was fine,
> but this morning I try to shutdown the database and do some change on it
> after complete shutdown when I try to open the database got ERROR ORA-12514
> TNS LISTENER could not Resolve SERVICE-NAME given in connect Descriptor.
> I have checked every thing non of tnsnames.ora or sqlnet.ora changed even I
> try connect from the server but no chance, we have two oracle home at the
> moment 8.16 & 8.1.7 on Sun Solaris.
> Any body have any idea what's going on???
> Appreciate your help.
> Thanks.
>
> Hamid Alavi
> Office 818 737-0526
> Cell 818 402-1987
>
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