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Arma 33 min readJuly 15, 2026
Arma 3 Steam Query data overflow
Ganidu Sathishka
Support Engineer at CyberNex | 4+ years customer technical support
Overview
This warning appears when too many mods/signatures exceed the Steam data limit for clients. It can prevent clients from correctly receiving mods.
Step-by-Step Instructions
<ol><li>Stop the server.</li><li>Open server.cfg in your server files.</li><li>Add the line below on a blank line.</li><li>Save the file and start the server.</li></ol>
Code / Configuration
<pre><code>steamProtocolMaxDataSize = 2048;</code></pre>
Info
If the warning persists, also remove unused mods to reduce the amount of data being sent to clients.
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