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Microsoft Dynamics AX (Archived)

Item Coverage not changing Master Planning Output

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I have items that are identified as a BOM in inventory but I want them purchased. On the Inventory Screen in Setup > Item Coverage > General Tab I have selected "Change planned order type" and changed the Planned order type to "Purchase order". When I run Master Planning, I do not get Planned purchase orders for these items. If I go to Inquiries > Coverage > Action Details and lookup the item it shows Advance with -3 days.

I had setup my test system to use this functionality and it worked but my production system does not. I compared the Coverage Group setup and they are the same. I'm missing something obvious but I don't know what it is. Does anyone have any idea where I should start looking?

Thanks, Jerry

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  • Suggested answer
    André Arnaud de Calavon Profile Picture
    301,119 Super User 2025 Season 2 on at

    What version of AX are you using?

    In AX2012 you have a field on the default order settings of a released product. On the tab general you can find a field called 'Default order type'. Per product you can define how the Master Planning will use it.

    In prior versions it could be managed by the  'Stop explosion' flag on the item.

    I would expect that your scenario worked as well. Perhaps you already had a planned production order which is now being used to show an 'Advance' for some days? Have you used the 'Regenerate' principle when running Master planning?

  • Community Member Profile Picture
    on at

    I probably should clarify that I'm running AX 2009. I'm not aware of where the default order settings of a released product are located.

  • André Arnaud de Calavon Profile Picture
    301,119 Super User 2025 Season 2 on at

    Hi Jerry,

    Within AX2009 this default order setting is not available. It is new in AX2012 because of difference in standard production and lean manufacturing.

  • Community Member Profile Picture
    on at

    Hi André,

    Everything I have read states it can be done in AX 2009 by changing the "Change planned order type" to Pruchase order under Item Coverage. I have a test system that I have changed this setting on and it works just like it is supposed to. My problem is, it is not working on the production system so it appears to me that there is some other setting that I am missing.

  • Verified answer
    Community Member Profile Picture
    on at

    Hi Everyone,

    I figured out how to resolve the problem and get the behavior I was looking for. What I did was:

    I can leave the Item Type as BOM but the BOM Line Type for the item must be set to Item. Then in Item Coverage I had to go to "Change planned order type" and changed the Planned order type to "Purchase order".  When the  "Change planned order type" is Purchase Order I get a purchase order generated in Master Planning, when the  "Change planned order type" is set to Production I get a production order. This is the behaviour I was looking for.

    Thanks, Jerry

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