How to fix the Oracle error ORA-16781: cannot determine status of redo transport service for standby database?

In this post, you’ll learn more about the Oracle ErrorORA-16781: cannot determine status of redo transport service for standby database with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-16781: cannot determine status of redo transport service for standby database

Reason for the Error ORA-16781: cannot determine status of redo transport service for standby database

The status of redo transport to the specified standby database could not be determined.

How to fix the Error ORA-16781: cannot determine status of redo transport service for standby database ?

You can fix this error in Oracle by following the below steps

Check the Data Guard broker log and Oracle alert log for more details.