# Steam - Listen Server - UE 5.6 - Unable to Join

**URL:** <https://forums.unrealengine.com/t/steam-listen-server-ue-5-6-unable-to-join/2549578>\
**Category:** Multiplayer & Networking\
**Tags:** error, onlinesubsystem, UE-5, Steam, unreal-engine, log, question\
**Created:** [June 10, 2025, 9:36am UTC](https://forums.unrealengine.com/t/steam-listen-server-ue-5-6-unable-to-join/2549578 "2025-06-10T09:36:10Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![SCARBLAZ1](https://d3kjluh73b9h9o.cloudfront.net/original/4X/2/8/5/28502927f1d97ba1051b3b47ccfe17233bf41ef0.png) [@SCARBLAZ1](https://forums.unrealengine.com/u/SCARBLAZ1)\
**Post date:** [June 10, 2025, 9:36am UTC](https://forums.unrealengine.com/t/steam-listen-server-ue-5-6-unable-to-join/2549578/1 "2025-06-10T09:36:10Z")

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```auto
[2025.06.10-09.18.47:550][381]LogNet: UNetConnection::Close: [UNetConnection] RemoteAddr: , Name: IpConnection_2147482239, Driver: Name:PendingNetDriver Def:GameNetDriver IpNetDriver_2147482302, IsServer: NO, PC: NULL, Owner: NULL, UniqueId: INVALID, Channels: 3, Time: 2025.06.10-09.18.47
[2025.06.10-09.18.47:550][381]LogNet: UNetConnection::SendCloseReason:
[2025.06.10-09.18.47:550][381]LogNet: - Result=AddressResolutionFailed, ErrorContext="AddressResolutionFailed"
[2025.06.10-09.18.47:550][381]LogNet: UChannel::Close: Sending CloseBunch. ChIndex == 0. Name: [UChannel] ChIndex: 0, Closing: 0 [UNetConnection] RemoteAddr: , Name: IpConnection_2147482239, Driver: Name:PendingNetDriver Def:GameNetDriver IpNetDriver_2147482302, IsServer: NO, PC: NULL, Owner: NULL, UniqueId: INVALID
[2025.06.10-09.18.47:559][382]LogNet: Error: UEngine::BroadcastNetworkFailure: FailureType = PendingConnectionFailure, ErrorString = Your connection to the host has been lost., Driver = Name:PendingNetDriver Def:GameNetDriver IpNetDriver_2147482302

```

**TLDR - ERROR**  
**ErrorString = Your connection to the host has been lost.**  
**LogNet: - Result=AddressResolutionFailed, ErrorContext=“AddressResolutionFailed”**

why cant i join from other device for testing?

hosting is successful but joining isnt working.  
(Tried both manual code and Advanced Steam Sessions - Same Error)

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<div class="post-metadata">

**Author:** ![Spinker](https://d1ap1mz92jnks1.cloudfront.net/user_avatar/forums.unrealengine.com/spinker/32/1087255_2.png) [@Spinker](https://forums.unrealengine.com/u/Spinker)\
**Post date:** [June 13, 2025, 2:21am UTC](https://forums.unrealengine.com/t/steam-listen-server-ue-5-6-unable-to-join/2549578/2 "2025-06-13T02:21:24Z")

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Same issue here, can’t do anything  
Happens to 2 different projects, one being almost empty? Looks like an issue on engine

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<div class="post-metadata">

**Author:** ![The0cake](https://d3kjluh73b9h9o.cloudfront.net/original/4X/2/8/5/28502927f1d97ba1051b3b47ccfe17233bf41ef0.png) [@The0cake](https://forums.unrealengine.com/u/The0cake)\
**Post date:** [June 18, 2025, 12:39pm UTC](https://forums.unrealengine.com/t/steam-listen-server-ue-5-6-unable-to-join/2549578/3 "2025-06-18T12:39:43Z")

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Fix is to turn on Steam Sockets plugin, the answer by @Ninhow here:

> [@Join Session not working in 5.6 listen server (both steam and EOS)](https://forums.unrealengine.com/t/join-session-not-working-in-5-6-listen-server-both-steam-and-eos/2560472/3):
>
> The build is pushed to Steam, my friends and I downloaded it and tested on our own individual accounts, which are all added to Steamworks. We are located in the same city. In version 5.5, everything works fine with the same setup. However, in version 5.6, even a clean project with just the multiplayer setup doesn’t work. The dedicated server seems to function properly — the problem persists only with listen servers, according to discussions in the Unreal Discord. Again, session creation works f…