CS2 server won't start – first steps?

Read panel logs. Common: missing/invalid Steam game server token (GSLT), wrong map, port 27015 blocked, outdated server files.

What is the Steam game server token?

Login token from steamcommunity.com/dev/managegameservers – register per server IP. In launch params: +sv_setsteamaccount TOKEN

27015 TCP/UDP (game). Optional 27020 UDP (SourceTV). Open all in panel + firewall.

Quick answer: CS2 won't start: check GSLT token (+sv_setsteamaccount), map exists, open port 27015 TCP/UDP and update via SteamCMD.

If you landed here: srcds crashes on start, "Invalid Steam token", map error or restart loop in panel.

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