License Key: Signal Plugin

# Stop the signal service sudo systemctl stop signal-server echo "SIGNAL_PLUGIN_LICENSE=YOUR_KEY_HERE" >> /etc/signal-server/env Restart and verify sudo systemctl start signal-server signal-admin plugins --verify

If you’ve been digging into the documentation for Signal’s private server components or enterprise messaging solutions recently, you’ve probably stumbled across the term signal plugin license key

And if you’re like most engineers, your first question was: Wait, Signal is open source. Why is there a license key? # Stop the signal service sudo systemctl stop

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| Without Key | With Valid Key | | :--- | :--- | | 5 concurrent users max | Unlimited users | | Logging disabled | Full audit trails | | 30-day trial period | Perpetual or subscription term | | Watermarked UI | Clean branding | your first question was: Wait

By The Dev Team | 4 min read