Oracle DBA, How To, Error, Cause and Action

ORA-06252: NETNTT: cannot open address file

ORA-06252: NETNTT: cannot open address file


Cause:


The NTT two-task driver could not open a file containing address information.



Action:


Make sure that the ORACLE_HOME environment variable has been properly set and exported. Make sure the instance you are attempting to connect to is actually up and running.

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