This map: https://www.minecraftmaps.com/pve-maps/dungeon-arena-remix
When in the loading screen it requires you do download a texture pack, on a 1.10.2 client, the sign will change to continue, while with multiconnect it still says to download the texture pack even tho the texture pack has already been downloaded.

The map was run on a vanilla 1.10.2 server