Posts Tagged With 'ORA-12560'

ORA-12560: TNS:protocol adapter error

ORA-12560: TNS:protocol adapter error
April 09, 2014 | No Comments »

Usually we get this error if Oracle Client dosen’t know which database to connect according to “TNS Alias” information.

To control to status firstly we should check the connection manually over SQLPLUS with the related Oracle user.

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