How to fix the Oracle error TNS-00111: Failed to get configuration data from file?

In this post, you’ll learn more about the Oracle ErrorTNS-00111: Failed to get configuration data from file with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

TNS-00111: Failed to get configuration data from file

Reason for the Error TNS-00111: Failed to get configuration data from file

Cause: Poorly formed configuration information in network files TNSNET.ORA or TNSNAV.ORA.

How to fix the Error TNS-00111: Failed to get configuration data from file ?

You can fix this error in Oracle by following the below steps

Action: Check TNSNET.ORA and TNSNAV.ORA and confirm that they are correct.