I too had a lot of videos to import. I FTP uploaded into /uploads/myvids/ but AddFromServer copied the files to /uploads anyway:=(
Then I locked the root to myserver/mysite/wp-content/uploads
and it worked like old times!
1. Under settings>add from server find this field.
Lock browsing to the directory specified below
2. Under the input field, copy the full path after
For reference, Your WordPress Root path is:
3. Past into field.
4. After the slash add wp-content/uploads/
Save settings.
Solved for me!
