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Dynamics 365 Community / Forums / Small and medium business | Business Central, N... / The activity was deadl...
Small and medium business | Business Central, N...
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The activity was deadlocked with another user... & Working on it....

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Posted on by Besian

I have a big problem in one of my client with this error (deadlock error and working on it...). He has many users in the system and many of this work with the same user in the system and they have a big problem with deadlock error and working  on it...

All this users work on the Sales Quote and in this page/table are this error all the time (deadlock error and working  on it...) If I see Database Lock page 9511 its full with record all the time. Also to these users even when they are working on the system is displayed "working on it...". Have anyone any ideas ?

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  • Suggested answer
    Community Member Profile Picture
    Community Member on at
    RE: The activity was deadlocked with another user... & Working on it....

    It's interesting that you post this today.

    About 2 weeks ago a client of ours also experienced a lot of locking issues, all of a sudden, after a new update.

    The locking issues were resolved by disabling automatic cost posting and changing automatic cost adjustment to run less often (not 'Always').
    Let me know if it helps.

    pastedimage1633700581879v2.png

  • Besian Profile Picture
    Besian on at
    RE: The activity was deadlocked with another user... & Working on it....

    Thank You SanderB for your answer, but I made these configurations and again the situation is the same.

  • Suggested answer
    RockwithNav Profile Picture
    RockwithNav 8,417 Super User 2025 Season 2 on at
    RE: The activity was deadlocked with another user... & Working on it....

    One of the major reason triggering deadlock is when 2 transactions are executed simultaneously and they are blocking each other.  See which piece of code is complaining this and then if you deliberately use LOCKTABLE function then this it will go but I will suggest to refracture the code.

  • Daniel S Dias Profile Picture
    Daniel S Dias 15 on at
    RE: The activity was deadlocked with another user... & Working on it....

    Hi Besian, i am currently having a similar issue. did you get a resolve?

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