ORA-16629
Database reports a different protection level from the protection mode.
Cause
The current database protection level was different from the configured protection mode. This was typically caused if there were redo transport problems or if the primary database was not open.
Action
Check:
- The database alert log files and Oracle Data Guard broker log files for more details.
- The redo transport status.
- That one standby database supports the configured protection mode.
- That the network to that standby database is working properly.
- That the primary database is open.