VERIFIED SOLUTION i

How to copy Active Content from one DOC1 repository to another

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.
Environment Details
Product Feature: Installation / Upgrade
 
UPDATED:  November 8, 2017