In this post, you’ll learn more about the Oracle ErrorNNO-00271: warning: names.ora region is version string, network definition is version string with the details on why you receive this error and the possible solution to fix it.
Oracle Error Description
NNO-00271: warning: names.ora region is version string, network definition is version string
Reason for the Error NNO-00271: warning: names.ora region is version string, network definition is version string
Cause: The region description in names.ora is out of synch with the network definition.
How to fix the Error NNO-00271: warning: names.ora region is version string, network definition is version string ?
You can fix this error in Oracle by following the below steps
Action: No action is required unless the name server cannot run with the network definition. To be safe names.ora should be updated with one which is consistent with the network definition.