Backup Job on database fails with: ORA-20411: Following Parameters Cannot Be NULL: Db_connect_string (Doc ID 1516828.1)

Last updated on MARCH 08, 2017

Applies to:

Enterprise Manager Base Platform - Version 11.1.0.1 and later
Information in this document applies to any platform.

Symptoms

Enterprise manager Grid Control 11.1.0.1, unable to submit level 0 backup for target DB
Error message:

ORA-20411: Following parameters cannot be NULL: db_connect_string
ORA-06512: à "SYSMAN.MGMT_JOBS", ligne 370
ORA-06512: à "SYSMAN.MGMT_JOBS", ligne 94
ORA-06512: à ligne 1

Cause

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