How to fix the Oracle error ORA-16635: network connection failed during transmission?

In this post, you’ll learn more about the Oracle ErrorORA-16635: network connection failed during transmission with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-16635: network connection failed during transmission

Reason for the Error ORA-16635: network connection failed during transmission

The Data Guard broker detected a connection failure to a remote database in the broker configuration. This failure happened in the middle of a transmission session. A transmission session usually requires more than one send operation for sending a large amount of data (for example, the broker configuration file) to the remote database.

How to fix the Error ORA-16635: network connection failed during transmission ?

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

In most cases, no user action is required. The Data Guard broker always tries to resend the data. This error will be reported if the problem persists. This error indicates there are some problems with the network connection between broker managed databases. Further network troubleshooting should be done to identify and correct the actual problem.