VERIFIED SOLUTION i

How to copy Active Content from one DOC1 repository to another

Product Feature: Installation / Upgrade
 
You cannot use the usual copy\paste mechanism to copy these items between repositories, only within the same repository.

This can be achieved by creating a simple publication in the source repository that only contains the active content required, and then creating a snapshot which can be imported into the destination repository.
UPDATED:  November 8, 2017