RMAN-10003: unable to connect to target database

Hi,

Sometimes You can get “RMAN-10003: unable to connect to target database ” error.

 

Details of error are as follows.

RMAN-10003: unable to connect to target database
Cause: Recovery manager was unable to connect to the target database.
This message should be accompanied by other error message(s) indicating the cause of the error.
Action: Ensure that that the target database is started, and that the connect string is valid.
 RMAN-10008: could not create channel context
 RMAN-10003: unable to connect to target database
 ORA-28000: the account is locked


This error is related with the RMAN Channel, or username password. To solve this error, check your Catalog and source database RMAN username and password,
Or You can clear the RMAN Channels as follows.

RMAN> CONFIGURE CHANNEL 1 DEVICE TYPE DISK CLEAR;

old RMAN configuration parameters are successfully deleted
 RMAN> CONFIGURE CHANNEL 2 DEVICE TYPE DISK CLEAR;

old RMAN configuration parameters:
 CONFIGURE CHANNEL 2 DEVICE TYPE DISK CONNECT '*';
 old RMAN configuration parameters are successfully deleted
 starting full resync of recovery catalog
 full resync complete






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

https://ittutorial.org/rman-backup-restore-and-recovery-tutorials-for-beginners-in-the-oracle-database/

 

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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 mehmetsalih.deveci@outlook.com. -                                                                                                                                                                                                                                                 - Oracle DBA, SQL Server DBA, APPS DBA,  Exadata, Goldengate, EBS ve linux Danışmanlık ve Eğitim için  mehmetsalih.deveci@outlook.com a mail atabilirsiniz.

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