DS1019+ Users other than admin can't see server, since migration

They don’t exist. They would need be recompiled from scratch.
Engineering frequently purges all but the last version or two.

Throughout the forums I’ve always suggested folks keep a copy of versions for themselves.

Saying it takes up too much disk space with a Synology NAS won’t hold.
It’s a 200 MB/version SPK. 10 versions and you have a 2GB movie file.