Topics tagged onlinesubsystem

Topic	Replies	Views	Activity
Why the Epic Online Service (EOS) OSS access token is not refreshed? C++ question , CPP , unreal-engine , onlinesubsystem , online-subsystem	3	583	February 17, 2026
Feature Request: Online Services (OSSv2) needs Friends + Parties (social layer) Feedback & Requests question , CPP , unreal-engine , onlinesubsystem	0	8	February 10, 2026
Can't create Steam Sessions (Steam Sockets) Platform & Builds question , Steam , Multiplayer , online , unreal-engine , onlinesubsystem , steamworks	14	5058	February 8, 2026
Has anyone been able to get Online Subsystem Steam to work on a mac (Apple Silicon) in UE5.3.1? Platform & Builds Steam , unreal-engine , onlinesubsystem	5	2219	January 27, 2026
Does logging into EOS with DeviceID actually work? Programming & Scripting Networking , unreal-engine , onlinesubsystem , EOS	4	221	January 24, 2026
Host session fails when only having 1 client Programming & Scripting Blueprint , question , online , unreal-engine , onlinesubsystem , online-session	1	24	January 21, 2026
How can I load players into different instances of the same Level? Programming & Scripting question , unreal-engine , onlinesubsystem	5	71	January 18, 2026
Clients are disconnecting during Server Travel Multiplayer & Networking Blueprint , question , Steam , online , unreal-engine , onlinesubsystem , servertravel , online-subsystem	3	210	January 18, 2026
UE5.7 Online Subsystem Steam can't find sessions Programming & Scripting question , Steam , unreal-engine , onlinesubsystem	8	524	January 7, 2026
Steam Networking Without Relays Is Broken in UE5.6 Multiplayer & Networking question , CPP , Steam , Multiplayer , unreal-engine , onlinesubsystem , steamworks	0	68	December 10, 2025
Steam Online Subsystem not working in packaged build (UE5.6) Platform & Builds question , Steam , unreal-engine , onlinesubsystem	4	954	December 6, 2025
Connecting to steam using Macbook Blueprint Blueprint , question , Steam , Multiplayer , MAC , unreal-engine , onlinesubsystem , steamworks	0	24	December 1, 2025
Authentication for steam and gamesparks via online subsystem Platform & Builds question , Steam , unreal-engine , onlinesubsystem	3	1336	November 25, 2025
How can I change VOIP's settings during Runtime? Programming & Scripting question , unreal-engine , onlinesubsystem , audio-bugs	3	119	October 17, 2025
Unable to Join Session using EOS - Error SE_HOST_NOT_FOUND [11001] Multiplayer & Networking question , Multiplayer , unreal-engine , onlinesubsystem	3	514	September 30, 2025
Unable to Join Sessions in Packaged Game (Works in Editor) with Steam Advanced Sessions Online Subsystem Multiplayer & Networking question , Steam , unreal-engine , onlinesubsystem	17	1243	September 24, 2025
Online subsystem dedicated server NAT traversal Programming & Scripting question , CPP , Multiplayer , Networking , unreal-engine , onlinesubsystem	8	163	August 17, 2025
Join Session Failing with "Unknown Error" or "Joining Failed" (EOS) Programming & Scripting Multiplayer , unreal-engine , onlinesubsystem , EOS	1	194	August 8, 2025
How to set up rich presence for EOS? Programming & Scripting question , CPP , unreal-engine , onlinesubsystem , online-subsystem , epic-online-services	0	114	August 7, 2025
C++ Read Steam Leaderboard - How to? Platform & Builds question , Steam , unreal-engine , Scripting , onlinesubsystem , steamworks	4	1864	August 3, 2025
HELP online subsysteme Unable to create OnlineSubsystem instance Steam Programming & Scripting question , unreal-engine , onlinesubsystem , achievements	0	44	July 21, 2025
Unable to create session in packaged game (Works in Editor) with Steam Advanced Sessions Online Subsystem Multiplayer & Networking Blueprint , question , Steam , unreal-engine , onlinesubsystem	6	431	July 16, 2025
How to implement VOIP from 1 source to 3 locations on a level? Programming & Scripting Blueprint , question , CPP , Steam , online , voice , unreal-engine , onlinesubsystem , voice-chat , online-subsystem	1	92	July 11, 2025
error LNK2019: unresolved external symbol for FOnlineSessionSettings::Get<class FName>(class FName,class FName &) C++ question , CPP , online , error , unreal-engine , compile-error , onlinesubsystem	2	82	June 30, 2025
The macro "SEARCH_PRESENCE" cannot be resolved C++ question , CPP , unreal-engine , onlinesubsystem	6	3554	June 29, 2025
Find Sessions or Find Sessions Advanced always don't work with Steam or EOS. Programming & Scripting Blueprint , question , editor , CPP , Steam , Networking , online , unreal-engine , onlinesubsystem , steamworks , online-subsystem , online-session , online-subsystem-ove , Network , epic-online-services	3	369	June 26, 2025
Steam - Listen Server - UE 5.6 - Unable to Join Multiplayer & Networking question , Steam , error , unreal-engine , log , onlinesubsystem , UE-5	2	854	June 18, 2025
Online subsystem Null - find session problem Multiplayer & Networking question , CPP , unreal-engine , onlinesubsystem	3	387	May 26, 2025
Issue with MemberSettings Not Updating in Lobby (OnlineSubsystemEOS, 5.4.4/5.5.4) Multiplayer & Networking question , CPP , unreal-engine , onlinesubsystem , Engine-Source-Code , EOS	1	94	April 29, 2025
How to use Online Subsystem Google? C++ Android , question , CPP , unreal-engine , onlinesubsystem	3	799	April 23, 2025

Why the Epic Online Service (EOS) OSS access token is not refreshed?

C++

3

583

February 17, 2026

Feature Request: Online Services (OSSv2) needs Friends + Parties (social layer)

Feedback & Requests

question , CPP , unreal-engine , onlinesubsystem

0

8

February 10, 2026

Can't create Steam Sessions (Steam Sockets)

Platform & Builds

question , Steam , Multiplayer , online , unreal-engine , onlinesubsystem , steamworks

14

5058

February 8, 2026

Has anyone been able to get Online Subsystem Steam to work on a mac (Apple Silicon) in UE5.3.1?

Platform & Builds

Steam , unreal-engine , onlinesubsystem

5

2219

January 27, 2026

Does logging into EOS with DeviceID actually work?

Programming & Scripting

Networking , unreal-engine , onlinesubsystem , EOS

4

221

January 24, 2026

Host session fails when only having 1 client

Programming & Scripting

Blueprint , question , online , unreal-engine , onlinesubsystem , online-session

1

24

January 21, 2026

How can I load players into different instances of the same Level?

Programming & Scripting

question , unreal-engine , onlinesubsystem

5

71

January 18, 2026

Clients are disconnecting during Server Travel

Multiplayer & Networking

Blueprint , question , Steam , online , unreal-engine , onlinesubsystem , servertravel , online-subsystem

3

210

January 18, 2026

UE5.7 Online Subsystem Steam can't find sessions

Programming & Scripting

question , Steam , unreal-engine , onlinesubsystem

8

524

January 7, 2026

Steam Networking Without Relays Is Broken in UE5.6

Multiplayer & Networking

question , CPP , Steam , Multiplayer , unreal-engine , onlinesubsystem , steamworks

0

68

December 10, 2025

Steam Online Subsystem not working in packaged build (UE5.6)

Platform & Builds

question , Steam , unreal-engine , onlinesubsystem

4

954

December 6, 2025

Connecting to steam using Macbook

Blueprint

Blueprint , question , Steam , Multiplayer , MAC , unreal-engine , onlinesubsystem , steamworks

0

24

December 1, 2025

Authentication for steam and gamesparks via online subsystem

Platform & Builds

question , Steam , unreal-engine , onlinesubsystem

3

1336

November 25, 2025

How can I change VOIP's settings during Runtime?

Programming & Scripting

question , unreal-engine , onlinesubsystem , audio-bugs

3

119

October 17, 2025

Unable to Join Session using EOS - Error SE_HOST_NOT_FOUND [11001]

Multiplayer & Networking

question , Multiplayer , unreal-engine , onlinesubsystem

3

514

September 30, 2025

Unable to Join Sessions in Packaged Game (Works in Editor) with Steam Advanced Sessions Online Subsystem

Multiplayer & Networking

question , Steam , unreal-engine , onlinesubsystem

17

1243

September 24, 2025

Online subsystem dedicated server NAT traversal

Programming & Scripting

question , CPP , Multiplayer , Networking , unreal-engine , onlinesubsystem

8

163

August 17, 2025

Join Session Failing with "Unknown Error" or "Joining Failed" (EOS)

Programming & Scripting

Multiplayer , unreal-engine , onlinesubsystem , EOS

1

194

August 8, 2025

How to set up rich presence for EOS?

Programming & Scripting

question , CPP , unreal-engine , onlinesubsystem , online-subsystem , epic-online-services

0

114

August 7, 2025

C++ Read Steam Leaderboard - How to?

Platform & Builds

question , Steam , unreal-engine , Scripting , onlinesubsystem , steamworks

4

1864

August 3, 2025

HELP online subsysteme Unable to create OnlineSubsystem instance Steam

Programming & Scripting

question , unreal-engine , onlinesubsystem , achievements

0

44

July 21, 2025

Unable to create session in packaged game (Works in Editor) with Steam Advanced Sessions Online Subsystem

Multiplayer & Networking

Blueprint , question , Steam , unreal-engine , onlinesubsystem

6

431

July 16, 2025

How to implement VOIP from 1 source to 3 locations on a level?

Programming & Scripting

Blueprint , question , CPP , Steam , online , voice , unreal-engine , onlinesubsystem , voice-chat , online-subsystem

1

92

July 11, 2025

error LNK2019: unresolved external symbol for FOnlineSessionSettings::Get<class FName>(class FName,class FName &)

C++

question , CPP , online , error , unreal-engine , compile-error , onlinesubsystem

2

82

June 30, 2025

The macro "SEARCH_PRESENCE" cannot be resolved

C++

question , CPP , unreal-engine , onlinesubsystem

6

3554

June 29, 2025

Find Sessions or Find Sessions Advanced always don't work with Steam or EOS.

Programming & Scripting

Blueprint , question , editor , CPP , Steam , Networking , online , unreal-engine , onlinesubsystem , steamworks , online-subsystem , online-session , online-subsystem-ove , Network , epic-online-services