How to fix the Oracle error ORA-01637: rollback segment ‘string’ is being used by another instance (#string)?

In this post, you’ll learn more about the Oracle ErrorORA-01637: rollback segment ‘string’ is being used by another instance (#string) with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-01637: rollback segment ‘string’ is being used by another instance (#string)

Reason for the Error ORA-01637: rollback segment ‘string’ is being used by another instance (#string)

The instance is trying to online a RS already in use by another instance

How to fix the Error ORA-01637: rollback segment ‘string’ is being used by another instance (#string) ?

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

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