While starting out of two DBs one DB getting error: ORA-01102: cannot mount database in EXCLUSIVE mode

(Doc ID 2152488.1)

Last updated on JUNE 24, 2016

Applies to:

Oracle Database - Standard Edition - Version to [Release 11.2 to 12.1]
Information in this document applies to any platform.


Have 2 databases (prod and test) on the same machine, when startup the DB "test" and then try to startup the DB "prod" following error is coming.

If the process done backwards, (startup first prod and then test, ) then get the same error ora-01102


Sign In with your My Oracle Support account

Don't have a My Oracle Support account? Click to get started

My Oracle Support provides customers with access to over a
Million Knowledge Articles and hundreds of Community platforms