ORA-38707: Media recovery is not enabled


Sometimes You can get ” ORA-38707: Media recovery is not enabled. ” error.


Details of error are as follows.

ORA-38707: Media recovery is not enabled.
Cause: An ALTER DATABASE FLASHBACK ON command failed because media recovery was not enabled.
Action: Turn on media recovery with an ALTER DATABASE ARCHIVELOG command and then retry the command.
SQL> alter database flashback on;
alter database flashback on
ERROR at line 1:
ORA-38706: Cannot turn on FLASHBACK DATABASE logging.
ORA-38707: Media recovery is not enabled.

You can read the following post to learn what is the Archivelog mode and how to enable it.

Oracle Database Enable Archivelog Mode and Archivelog Deletion and Generation Frequency


Turn database in archivelog mode as mentioned in the above post.

SQL> alter database archivelog;

Database altered.


Then try again as follows.

SQL> alter database flashback on;

Database altered.

SQL> SQL> alter database open;

Database altered.



Do you want to learn Oracle Database for Beginners, then read the following articles.


About Mehmet Salih Deveci

I am Founder of SysDBASoft IT and IT Tutorial and Certified Expert about Oracle & SQL Server database, Goldengate, Exadata Machine, Oracle Database Appliance administrator with 10+years experience.I have OCA, OCP, OCE RAC Expert Certificates I have worked 100+ Banking, Insurance, Finance, Telco and etc. clients as a Consultant, Insource or Outsource.I have done 200+ Operations in this clients such as Exadata Installation & PoC & Migration & Upgrade, Oracle & SQL Server Database Upgrade, Oracle RAC Installation, SQL Server AlwaysOn Installation, Database Migration, Disaster Recovery, Backup Restore, Performance Tuning, Periodic Healthchecks.I have done 2000+ Table replication with Goldengate or SQL Server Replication tool for DWH Databases in many clients.If you need Oracle DBA, SQL Server DBA, APPS DBA,  Exadata, Goldengate, EBS Consultancy and Training you can send my email adress [email protected].-                                                                                                                                                                                                                                                 -Oracle DBA, SQL Server DBA, APPS DBA,  Exadata, Goldengate, EBS ve linux Danışmanlık ve Eğitim için  [email protected] a mail atabilirsiniz.

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