Arma 3 Server Hosting
Your own Arma 3 dedicated server, mods and headless clients
Run Antistasi campaigns, Altis Life communities, or modded co-op ops for your unit. Steam Workshop mods and DLC, headless client support, instant setup, and 24/7 expert support.
Looking for Arma Reforger Server Hosting instead?
Why Host With Us?
£14.69/mo
+ billing term & add-ons
High Performance Hardware
Unlike most hosting providers, we own & operate our own hardware.- Xeon and Ryzen CPUs
- DDR4 & DDR5 Memory
- Up to 10Gbps Uplinks
- NVMe SSD Drives
Easy-to-Use Game Management
We host all of our Arma 3 servers on our modified TCAdmin v2 platform. This proven, powerful control suite offers the best in server management capability.
- Web Console
- File Manager
- Workshop Installer
- Log Viewer
- Offsite Backups
- Easy Data Restores

About Arma 3: Bohemia Interactive's open-world military sandbox
Arma 3 is a large-scale military sandbox for PC from Bohemia Interactive, with infantry, vehicles, and aircraft fighting across maps like Altis, Stratis, Tanoa, and Livonia. Its multiplayer scene runs on community servers: milsim units, co-op campaigns like Antistasi, King of the Hill, and roleplay modes such as Altis Life. A dedicated server keeps your missions, mod set, and mission saves online for the whole group, without anyone's PC acting as host.
Steam Workshop mods, DLC, and automatic installers
Host Havoc Arma 3 servers support Steam Workshop mods and DLC content. The control panel includes automatic installers for Altis Life, Exile, Antistasi, and CUP, and you have full FTP access to server.cfg, mission files, and mod keys for anything custom.
Headless client support for AI-heavy missions
AI is the heaviest load on an Arma 3 server, so large co-op missions slow down as AI counts climb. A headless client is a second Arma 3 instance that takes over AI processing from the server. Host Havoc supports headless clients for missions built to use them, including Antistasi, alongside DDoS protection and 24/7 expert support.
How to Set Up an Arma 3 Dedicated Server
With Host Havoc
The easy way: with Host Havoc
- Pick a plan and region. 40 to 128 slots, in the datacenter closest to your unit.
- Deploy in minutes. Your server launches on the latest Arma 3 build, ready to join.
- Add your content from the panel. Steam Workshop mods, DLC, automatic installers for Altis Life, Exile, Antistasi, and CUP, plus headless client support. Edit
server.cfgin the control panel or over FTP.
DDoS protection, automated backups, and 24/7 support are included.
Without Host Havoc
The manual way: self-hosting
Bohemia Interactive's Arma 3 dedicated server runs natively on Windows and Linux. It is CPU-bound, with AI as the heaviest load, so Bohemia recommends a 3.5 GHz quad-core, 4 GB of RAM (more for big mod sets and player counts), and an SSD. No GPU needed.
- Log in to SteamCMD with a Steam account. Anonymous login does not work for Steam App ID
233780, so use a spare account:steamcmd +login <username> +app_update 233780 validate +quit - Fetch your mods. The server has no Workshop client, so download mods with an account that owns Arma 3 (Steam App ID
107410) and copy each mod's.bikeyinto thekeysfolder. - Write
server.cfg. Sethostname,password,passwordAdmin,maxPlayers,verifySignatures, and your mission rotation inclass Missions. Bandwidth tuning lives inbasic.cfg. - Forward UDP
2302to2306for game, Steam query, and BattlEye traffic. - Launch and keep it running with
-config=server.cfg -cfg=basic.cfgand your-mod=list, as a service on Windows or in screen/tmux on Linux. A headless client is a second instance started with-clientand allowed inheadlessClients[].
After that it is on you: updating the server and every mod after each patch, keeping mod versions in sync with your players, restarting after crashes, and absorbing DDoS yourself.
Arma 3 Server Guides
Step-by-step guides for setting up, configuring, and managing your server.
How to install and activate Steam Workshop mods on your Arma 3 server using the automated panel method or manual FTP upload.
Read guide How to Log In as Admin on Your Arma 3 ServerFind your admin password in server.cfg and use the in-game chat command to log in as administrator on your Arma 3 server hosted by Host Havoc.
Read guide Set Up a Custom Mission on Your Arma 3 ServerHow to upload a custom mission PBO file to your Arma 3 server and configure server.cfg to load it automatically.
Read guide How to Install Creator DLC on Your Arma 3 ServerInstall any Arma 3 Creator DLC on your Host Havoc server by switching to the Creator DLC branch and adding the DLC mod flag to your custom command line.
Read guide How to Set Up Automatic Restarts on Your Arma 3 ServerSchedule daily or repeating automatic restarts on your Arma 3 server using the Scheduled Tasks feature in the Host Havoc game control panel.
Read guide WikiEvery guide for your Arma 3 server, all in one place.
View all guides