Give sid as domain name .
For example in my case I set sid for rcu as :
Similarly you can set you full domain name with sid and get this done .
thanks for reply.
still not working same error is coming. Can you let me know where i can find the TNS entry and who i will check those entry are fine.
I think it's the problem with either the sid being incorrect or something wrong with tnsnames.ora file . This would be under <db_home>/admin directory .