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Former Member
Jan 28, 2008 at 05:19 AM

ORA-12560: TNS:protocol adapter error

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Hi Gurus,

I am installing Oracle 9i in windows server2003. after installing . when i am trying to login to oracle , through sqlplus "\as sysdba"

then it's giving the error ORA-12560: TNS:protocol adapter error please help me out. what is the solution without the formaat the OS and reinstall plesae any suggestions