The Copy with Scaffolding XML feature can only copy pages within the same space. 


To copy a page with Scaffolding data to another space will require a workaround by entering the following URL:


Please replace the following:

<BASE-URL> = Your Confluence base URL

<PAGE-ID-COPY> = The page ID that you want to copy

<PARENT-PAGE> = The page ID of the targeted parent page

<SPACEKEY> = The space key of the targeted space