Database Error Messages

OCI-16855

transport lag has exceeded specified threshold

Cause

The current transport lag exceeded the value specified by the TransportLagThreshold configurable property. This error is caused by either poor network performance between the redo source and the member or a network disconnection.


Action

Check the network connection between the redo source and the member. If they are connected, check the network performance between the redo source and the member and tune it according to the Maximum Availability Architecture best practice guidelines.