Oracle Error Message
ORA-10459: cannot start media recovery on standby database; conflicting state detected
Reason for the Error
An attempt was made to perform media recovery on a standby database while another instance was performing recovery on the standby database, had the standby database open, or a data file move operation was in progress.
Solution
Close the standby on all other instances, cancel any conflicting recovery session or data file move operation, and perform manual recovery.
