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Nov 28, 2008 at 07:09 AM

Oracle- 12560: TNS: protocol adapter error

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Hi All,

I installed ORACLE 10.2.0.1 software and its patch 10.2.0.2 on window server 2003 64Bit R2. First i created listener service which is not created and after then i want to upgrade the oracle. When i run

sqlplus "/as sysdba"

then i received below error:

Oracle- 12560: TNS: protocol adapter error

while i have add the ORACLE_SID = DSD

cheers,