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Dune: Awakening error H74: connection lost (fix)

The game disconnects mid-session with an "H74" error, sometimes right after a patch, with no obvious cause on your end.

Also appears as: dune awakening error h74, error code h74, h74 connection lost, dune awakening network error h74, error h74 after patch

H74 is documented, alongside P34, as "the connection between client and server was severed without warning" — a generic drop rather than a specific bug. Unlike P34, the fixes players and the community wiki report actually working for H74 point at software running on your own machine that reshapes network traffic, which is why this one is labelled fixable on your end rather than a pure server fault. If Funcom has an active incident posted, treat H74 the same as P34 instead and wait it out.

Fix it, step by step

  1. Disable or uninstall packet-shaping software such as cFosSpeed

    Disable or uninstall packet-shaping/traffic-optimization software (cFosSpeed is the most commonly named culprit, often bundled with motherboard drivers) and restart before relaunching.

  2. Update your network adapter drivers in Device Manager

    Update your network adapter drivers via Device Manager.

  3. Check Funcom's X account and the Steam news hub after a patch

    If it recurs right after a patch for many players at once, check Funcom's official X account and the Steam news hub — a widely-shared H74 wave on patch day is a server-stability issue, not your setup.

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What people are saying

Notes from players who've hit this one — no time limit, an answer from months ago is still an answer.

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