How to fix the Oracle error TNS-01204: Unprivileged account (string) is in dba group (string)?

In this post, you’ll learn more about the Oracle ErrorTNS-01204: Unprivileged account (string) is in dba group (string) with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

TNS-01204: Unprivileged account (string) is in dba group (string)

Reason for the Error TNS-01204: Unprivileged account (string) is in dba group (string)

Cause: The unprivileged account has DBA privileges. The unprivileged account specified by DEFAULT_USER_ACCOUNT in the SID_DESC in LISTENER.ORA is a member of the dba group specified by DBA_GROUP in SID_DESC. The unprivileged account cannot belong to the dba group because this would be a security violation with OPS$ logins.

How to fix the Error TNS-01204: Unprivileged account (string) is in dba group (string) ?

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

Action: Remove the unprivileged account from the dba group.