Oracle 12.2 DBCA duplicate only for Sinlge Instance Standby Databases

The DBCA duplicate command in this release can only create a single instance standby database from single instance non-multitenant primary databases. 

It does not support RAC or multitenant configurations at present. 

• Creating Oracle DataGuard Physica Standby
• Creating a Physical Standby Database in an 11.2, 12.1, 12.2 or later environment ( Doc ID 2275154.1 )