How to fix the Oracle error PRCD-01236: Unable to downgrade configuration of RAC One Node database {0} to version {1}?

In this post, you’ll learn more about the Oracle ErrorPRCD-01236: Unable to downgrade configuration of RAC One Node database {0} to version {1} with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

PRCD-01236: Unable to downgrade configuration of RAC One Node database {0} to version {1}

Reason for the Error PRCD-01236: Unable to downgrade configuration of RAC One Node database {0} to version {1}

Cause: RAC One Node database was specified.

How to fix the Error PRCD-01236: Unable to downgrade configuration of RAC One Node database {0} to version {1} ?

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

Action: Convert the administrator-managed RAC One Node database to an administrator-managed RAC database using ‘srvctl convert database’ command and then retry.