How to fix the Oracle error ORA-01619: thread string is mounted by another instance?

In this post, you’ll learn more about the Oracle ErrorORA-01619: thread string is mounted by another instance with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-01619: thread string is mounted by another instance

Reason for the Error ORA-01619: thread string is mounted by another instance

The INIT.ORA parameter “thread” requests a thread that has been mounted by another instance. Only one instance may use a thread.

How to fix the Error ORA-01619: thread string is mounted by another instance ?

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

Shutdown the instance, change the INIT.ORA parameter and startup mounting a different thread.