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EM Backup Job Fails With ORA-19550 When DB Target Is Using Shared Server (former MTS) (Doc ID 2584391.1)

Last updated on APRIL 17, 2023

Applies to:

Enterprise Manager for Oracle Database - Version and later
Information in this document applies to any platform.


When a RAC database target is configured with Shared Server (former MTS), aka as DISPATCHERS, the Enterprise Manager RMAN Database Backup job fails with RMAN-03002 and ORA-19550 in job Step: Backup.

RMAN-03002: failure of backup command at 08/06/2019 14:05:46
ORA-19550: cannot use backup/restore functions while using dispatcher





1- The database target is configured with Shared Server (former MTS), as in the example below


    SQL> show parameters dispatcher

            dispatchers  string  (PROTOCOL=TCP)


2- The database DB target's "Preferred Connect String" property in EM is set to DEDICATED, as in the example below:




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