My Oracle Support Banner

HA Data Guard & SCAN: How to Configure an OCI Client to Connect Using SCAN at Both Primary and Standby (Doc ID 1645385.1)

Last updated on MARCH 31, 2022

Applies to:

Oracle Net Services - Version to [Release 11.2 to 12.2]
Information in this document applies to any platform.


Describes how to configure the TNS connect string required by Oracle Net clients in a DataGuard with SCAN cluster configuration.  Both the primary and standby clusters are running SCAN listeners.    

It is important to carefully review this document in order to determine the correct type of client and failover mechanism:


To view full details, sign in with your My Oracle Support account.

Don't have a My Oracle Support account? Click to get started!

In this Document

My Oracle Support provides customers with access to over a million knowledge articles and a vibrant support community of peers and Oracle experts.