Install CBA / ACE / Workshop Mods on ArmA 3

Mods checklist

1. Backup.
2. Install CBA/ACE (and dependencies) in order.
3. Set -mod= / -serverMod= via egg vars.
4. Install keys; keep verifySignatures on for public.
5. Restart; fix signature errors before Zeus night.

Soft CTA: ArmA 3 hosting.

Related guides

• server.cfg
• Won’t Start
• Hosting

Frequently Asked Questions

Client vs server mods?

Use -mod= for client+server; -serverMod= for server-only.

Keys?

Copy .bikey into keys/ for signature checks.

Egg vars?

MODIFICATIONS, SERVERMODS, OPTIONALMODS, MOD_FILE on egg 19.

Need help?

If you are stuck after following this guide, open a ticket from the Chapter22 client area with the exact error, the port or DNS change you made, and whether the service listens locally (ss / Resource Monitor) but fails externally.

Build the server. Grow the community. Start your next chapter.