How to move article to another Knowledge Base?
If you want to move article to another knowledge base.
- Open the knowledge base editor first
- Then open article that you want to move
- Click on the "Edit article properties" button 
- Then click on the "Change Knowledge base" button 
- Select target knowledge base 
- Current article type will be mapped to the target knowledge base types, select one that you want. 
- Select destination category 
- Click "Save"  button to move article