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Recently, we set up a disaster recovery environment at the customer site and found that we encountered BUG. If we give up broker, we can still realize that ADG,Oracle can not achieve dual hosts, but MySQL can do so. Record it on the official website.

OERR: ORA-16597 "Oracle Data Guard broker detects two or more primary databases" (varies by version) Reference Note (document ID 172973.1) PURPOSEThis is a brief reference note to show the meaning of database error "ORA-16597". It includes the error text, "Cause" and "Action" from message files for each database version from 9.2onwards, along with search links and details of any database bug issues related to the error.SCOPEThis note is intended for general audience as a starting point to check the meaning of "ORA-16597". It does not give detailed information about the error and does not give error message text for versions below 9.2 .DETAILSError Text Cause and Action from Message File/s for ORA-16597Versions 12.1Error: ORA-16597 Oracle Data Guard broker detects two or more primary databases-Cause: The Oracle Data Guard broker detected two or more primary databases in the broker configuration and could not continue. Action: Contact Oracle Support Services. Versions 11.1, 11.2Error: ORA-16597 Data Guard broker detects two or more primary databases-Cause: The Data Guard broker detected two or more primary databases in the broker configuration and could not continue. Action: Contact Oracle Support Services. Versions 10.2Error: ORA-16597 Data Guard broker detects two or more primary databases-Cause: The Data Guard broker detected two or more primary databases in the broker configuration and cannot continue. Action: Contact Oracle Support Services. Versions 10.1Error: ORA-16597 Data Guard broker detects two or more primaries. -Cause: The Data Guard broker detected two or more primary databases in the broker configuration and cannot continue. Action: Contact Oracle Support Services. Versions 9.2Error: ORA-16597 Data Guard broker detects two or more primaries-Cause: The Data Guard broker has detected two or more primaries in the configuration and cannot continue. Action: Contact Oracle Support Services. Search Links for ORA-16597The links below can be used to locate ORA-16597 in the documentation, and to search for documents that give more information about the error.Search MOS for "ORA-16597 Troubleshooting" Search 12.1 documentation for ORA-16597Search 11.2 documentation for ORA-16597Search 11.1 documentation for ORA-16597Search 10.2 documentation for ORA-16597

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