How to fix the Oracle error TNS-01202: Missing the dba group (string) specified by DBA_GROUP in SID_DESC?

In this post, you’ll learn more about the Oracle ErrorTNS-01202: Missing the dba group (string) specified by DBA_GROUP in SID_DESC with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

TNS-01202: Missing the dba group (string) specified by DBA_GROUP in SID_DESC

Reason for the Error TNS-01202: Missing the dba group (string) specified by DBA_GROUP in SID_DESC

Cause: The dba group specified is missing from /ETC/GROUP.

How to fix the Error TNS-01202: Missing the dba group (string) specified by DBA_GROUP in SID_DESC ?

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

Action: Check the DBA_GROUP parameter in the SID_DESC in LISTENER.ORA and verify it has a valid entry in /ETC/GROUP.