How to fix the Oracle error ORA-15261: user ‘string’ already exists in disk group ‘string’?

In this post, you’ll learn more about the Oracle ErrorORA-15261: user ‘string’ already exists in disk group ‘string’ with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-15261: user ‘string’ already exists in disk group ‘string’

Reason for the Error ORA-15261: user ‘string’ already exists in disk group ‘string’

The specified UID already existed in the disk group.

How to fix the Error ORA-15261: user ‘string’ already exists in disk group ‘string’ ?

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

Specify a different UID.