Common connection errors stem from network mismatches, firewalls, or config—fix most via TCAdmin dashboard at fpsdedicated.com. Check server status (green/online) and console logs first.[docs.tcadmin]
Timeouts/No Response
Server unreachable or slow.
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Verify IP:port correct (Network tab); restart server.
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High load? Reduce tickrate/maxplayers; wait graphs drop.[community.tcadmin]
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Client VPN/firewall blocks—disable temporarily.
High Ping/Lag
Distance or overload.
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Switch datacenter on upgrade (e.g., US East → West).
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Tune view-distance/entities; check CPU spikes.[reddit]
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Client-side: Wired connection, close background apps.
"Server Full" or Password
Slots/password issues.
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Slots match order? Upgrade if needed.
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Private? Enter password from Network tab (or remove in server.cfg).[docs.whmcs]
Not in Browser
Query issues.
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server.cfg: hostname set, public=1/true.
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Query port open; restart + wait 2–5 min.[docs.tcadmin]
Other Fixes
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"Invalid Password": Reset in server.cfg/RCON.
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Crashes on join: Mod conflicts—remove via File Manager.
Persistent? Share console log screenshot in WHMCS ticket. 99% uptime guaranteed.[docs.tcadmin]
