ORA-16802: downgrading redo transport mode from SYNC disallowed

Cause: An attempt was made to downgrade the redo transport mode of a standby database from SYNC to ASYNC when the configuration was in Maximum Protection or Maximum Availability mode and the primary database was a RAC database. This was not disallowed even though there may have been other standby databases with redo transport modes set to SYNC to support the protection mode.

Action: Do one of the following if the redo transport mode of the standby must be downgraded:

Error Type: ORA

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