How to fix the Oracle error ORA-38852: cannot mark the current instance (redo thread) as disabled?

In this post, you’ll learn more about the Oracle ErrorORA-38852: cannot mark the current instance (redo thread) as disabled with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-38852: cannot mark the current instance (redo thread) as disabled

Reason for the Error ORA-38852: cannot mark the current instance (redo thread) as disabled

The open resetlogs or standby activation operation failed because it must use a different instance (redo thread) than the current instance (redo thread) to open the database.

How to fix the Error ORA-38852: cannot mark the current instance (redo thread) as disabled ?

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

Shut down this instance and start up using a different instance name or redo thread number and retry.