dasHost.exe is causing udp broadcast flood on 22222 or 10004 ports...

Anonymous
2024-10-16T07:33:40+00:00

Hi i have problem with Device Association Framework Provider Host..

I checked das host is running from right place C:\Windows\System32

Its signed by ms.

How to stop it? It is hundreds broadcast connections per miute..

System is updated, antivirus is working.

Windows for home | Windows 11 | Internet and connectivity

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  1. Anonymous
    2025-03-24T08:53:40+00:00

    Same issue here; as more clients gets updated the broadcast storm increases. We were able to "quick fix" it, using the registry "hack" and deploying it with the gpo. Nevertheless now we need to track, once MS fixes this issue in the back, so the registry hack can be removed.

    wish to see the the internal dev ticket for this issue and the status of it :)

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  2. Anonymous
    2025-03-24T07:10:51+00:00

    2025-03 update依然有此問題。

    但我自己找到重現問題的方法了。

    Win11 24H2，當我們大多數軟體按下列印，

    若跳出新版的列印畫面，就會產生UDP的封包，

    關閉列印畫面不列印，還是會保持在背景。

    不一定要Chrome edge 小畫家，只要可以叫出該介面就可以。

    隨著開啟次數越多，頻率會越高。

    只要能將電腦的列印介面回到舊版，就可以避開此問題復發。

    至少我的實驗環境是如此。

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  3. Anonymous
    2025-03-24T04:17:10+00:00

    Can you share how to trigger this issue through Chrome? Thx.

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  4. Anonymous
    2025-03-21T15:35:24+00:00

    We're in the same, 120 computers and as they've been updated, it's become unsustainable, I have logged 4 broadcasts per second per computer, network stability is clearly in danger, It's incredible that Microsoft hasn't fixed this!

    We've disabled the device association service and the broadcasts disappear, but programs that use native Windows printing fail or take forever (Notepad, Paint, Photos...)

    We use BitDefender Firewall instead of the Windows one, and not permit drop broadcast...

    Any other suggestion?

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  5. Anonymous
    2025-03-21T07:34:05+00:00

    2025-02 still

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