Crossplay for Xbox
Limit connections to Xbox players for a focused Ark Survival Ascended experience.
Location
Section titled “Location”- Game Servers →
Your Game Server Name→ Launch Arguments → search forcrossplay

Allow Xbox only
Section titled “Allow Xbox only”- Open Allowed Platforms.
- Click Xbox so it is highlighted. Optionally include other storefronts if you want mixed crossplay.
- Changes auto-save.
Apply the change
Section titled “Apply the change”- Restart the server to enforce the new platform list.