# \[Dedicated Server\] Missing SDL3.dll when it starts...

**URL:** <https://forums.unrealengine.com/t/dedicated-server-missing-sdl3-dll-when-it-starts/2376162>\
**Category:** Platform & Builds\
**Tags:** package, dedicated-server, unreal-engine, dll-missing, package-error, question\
**Created:** [March 5, 2025, 12:51pm UTC](https://forums.unrealengine.com/t/dedicated-server-missing-sdl3-dll-when-it-starts/2376162 "2025-03-05T12:51:36Z")\
**Posts on this page:** 1\
**Showing post:** 9

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**Author:** ![3dRaven](https://d1ap1mz92jnks1.cloudfront.net/user_avatar/forums.unrealengine.com/3draven/32/906552_2.png) [@3dRaven](https://forums.unrealengine.com/u/3dRaven)\
**Post date:** [March 5, 2025, 3:46pm UTC](https://forums.unrealengine.com/t/dedicated-server-missing-sdl3-dll-when-it-starts/2376162/9 "2025-03-05T15:46:05Z")

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Maybe it’s an old bug

> [@Unreal Engine Defaults to Headless Mode](https://forums.unrealengine.com/t/unreal-engine-defaults-to-headless-mode/421245/2):
>
> It is the second of the two code locations I posted, SDL\_ShowMessageBox(), that fails. The SDL function returns -1.

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