Hello,
I would like to report severe dedicated server performance and desynchronization issues after the transition to Conan Exiles Enhanced (UE5).
This report is based on long-term testing from an actively populated RP/community server running on G-Portal.
Current situation:
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The server has 40 slots.
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No mods are being used.
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The server is still relatively early in progression (no massive megabases yet).
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Multiple server-side optimizations and network investigations were already performed together with the hosting provider.
The most important issue:
Server performance degrades extremely aggressively as player count increases.
Observed scaling:
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Around 10–12 players → mostly playable
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Around 15–18 players → heavy lag spikes and desync begin
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Around 20 players → severe instability, including voice chat problems
Symptoms players experience:
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Heavy rubberbanding
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Players teleporting/desyncing
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Delayed interaction with doors, containers and benches
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Loot delays
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Inventory delays
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Login desync after joining
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AI and combat delays
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General server responsiveness degradation
One particularly important symptom:
At around 20 concurrent players, even the in-game voice chat starts breaking apart:
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robotic voice,
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cut-off audio,
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delayed speech,
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severe stuttering,
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players becoming difficult to understand.
This strongly suggests that the issue may not simply be a routing/network problem, but potentially a server simulation / replication / UE5 performance bottleneck.
Additional observations:
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CPU usage does not appear critically overloaded during these situations.
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RAM usage also remains relatively reasonable.
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However gameplay synchronization degrades dramatically with population growth.
We also tested several optimization steps:
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Disabled:
CraftFromStorageRadius
BuildFromStorageRadius
PersonalCraftFromStorageRadius -
Increased scheduled restart frequency
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Multiple hardware migrations by hosting provider
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Multiple routing/network tests
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WinMTR monitoring
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No mods installed
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Foundation/building rules enforced
Disabling the storage radius systems improved performance somewhat, but the server still heavily struggles once player counts increase.
At this point the behavior appears very similar to:
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server tick bottlenecks,
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replication overload,
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UE5 dedicated server optimization issues,
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or world simulation scaling problems.
We are attaching gameplay videos because the realtime desync symptoms are much easier to understand visually than through network statistics alone.
We understand this is effectively a new engine migration and that optimization takes time, but currently the scalability difference compared to the older UE4 version is very noticeable for larger multiplayer communities.
Thank you for your time and for continuing to improve Conan Exiles Enhanced.
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| WinMTR statistics |
| Host - % | Sent | Recv | Best | Avrg | Wrst | Last |
|---|---|---|---|---|---|---|
| No response from host - 100 | 115 | 0 | 0 | 0 | 0 | 0 |
| 10.65.7.129 - 0 | 568 | 568 | 1 | 2 | 7 | 2 |
| 10.65.7.21 - 0 | 568 | 568 | 2 | 2 | 19 | 3 |
| 10.65.1.49 - 0 | 568 | 568 | 6 | 7 | 55 | 7 |
| 10.65.0.122 - 0 | 568 | 568 | 7 | 7 | 31 | 7 |
| bpt-b5-link.ip.twelve99.net - 0 | 568 | 568 | 7 | 9 | 29 | 8 |
| win-bb1-link.ip.twelve99.net - 0 | 568 | 568 | 11 | 11 | 15 | 11 |
| ffm-bb1-link.ip.twelve99.net - 1 | 560 | 558 | 22 | 22 | 25 | 22 |
| laut-b1-link.ip.twelve99.net - 6 | 467 | 441 | 22 | 25 | 52 | 25 |
| contabofrance-ic-394223.ip.twelve99-cust.net - 0 | 568 | 568 | 21 | 22 | 136 | 23 |
| ip-11-191-88-45.static.contabo.net - 0 | 568 | 568 | 22 | 22 | 25 | 22 |
| No response from host - 100 | 115 | 0 | 0 | 0 | 0 | 0 |
| m18105.contaboserver.net - 0 | 568 | 568 | 22 | 22 | 27 | 22 |
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