# Swarm Agent \[ERROR\]

**URL:** <https://forums.unrealengine.com/t/swarm-agent-error/392015>\
**Category:** Platform & Builds\
**Tags:** error-building, freeze, swarm-agent, build, unreal-engine, UE4, question\
**Created:** [April 26, 2017, 9:57pm UTC](https://forums.unrealengine.com/t/swarm-agent-error/392015 "2017-04-26T21:57:32Z")\
**Posts on this page:** 1\
**Showing post:** 4

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**Author:** ![Tim\_Hobson](https://d3kjluh73b9h9o.cloudfront.net/original/4X/2/8/5/28502927f1d97ba1051b3b47ccfe17233bf41ef0.png) [@Tim\_Hobson](https://forums.unrealengine.com/u/Tim_Hobson)\
**Post date:** [April 27, 2017, 1:29pm UTC](https://forums.unrealengine.com/t/swarm-agent-error/392015/4 "2017-04-27T13:29:23Z")

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You can follow the steps in my Swarm Agent Troubleshooting guide to check which ports are being used.

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