How to fix the Oracle error ORA-01614: instance string (thread string) is busy – cannot enable?

In this post, you’ll learn more about the Oracle ErrorORA-01614: instance string (thread string) is busy – cannot enable with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-01614: instance string (thread string) is busy – cannot enable

Reason for the Error ORA-01614: instance string (thread string) is busy – cannot enable

The mount enqueue for the thread could not be acquired when attempting to enable the thread. This probably means that another process has already started enabling this thread.

How to fix the Error ORA-01614: instance string (thread string) is busy – cannot enable ?

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

Wait and try again, or find another thread to enable.