RMAN-06004: ORACLE error from recovery catalog database: string with ORA-20999: internal error


Sometimes You can get “RMAN-06004: ORACLE error from recovery catalog database: string ” error.


Details of error are as follows.

RMAN-06004: ORACLE error from recovery catalog database: string
Cause: This message should be accompanied by other error message(s) indicating the cause of the error.
Action: Check the accompanying errors.
RMAN-00571: ===========================================================
RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============
RMAN-00571: ===========================================================
RMAN-03002: failure of show command at 06/04/2014 13:19:18
RMAN-06004: ORACLE error from recovery catalog database: ORA-20999: internal error: found non-null and null site name



Fixed in Product Version 12.2

Issue is solved in 12.2.

You may check for Interim Patches available


If there is urgency, the controlfile can be recreated and the database unregister/register on the catalog




Do you want to learn more details about RMAN, then read the following articles.



 1,704 views last month,  1 views today

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.

Leave a Reply

Your email address will not be published. Required fields are marked *