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Dynamics 365 Community / Forums / Microsoft Dynamics AX (Archived) / Capabilities and maste...
Microsoft Dynamics AX (Archived)

Capabilities and master planning

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Posted on by HenkeNord 465

I see a strange "feature" in AX 2012 capability planning function, when running operation scheduling in master planning.

Let's say I have a resource group DM, with 3 drilling machines. One of them can drill material up to 10mm, and the other two can drill up to 20mm.

I create two features called "Drilling <10" and "Drilling <20" and assign Drilling <10 to resource M1, M2 and M3 and Drilling <20 to M2 and M3.

In my routes for 11 to 20 mm items, I add the "Drilling <20" resource  requirement, and on items up to 10mm I add "Drilling <10".

Let's say I have a scenario with sales orders for only 11 to 20 mm items.

When running master planning (in operations scheduling mode) I get planned productions orders and capacity reservations on resource group DM, not on resource M2 and M3. This cannot be correct, AX knows that only machine M2 and M3 can drill the holes. Of course AX is using the calendar from the resource group, but that will also cause problems when firming the planned order. The capacity on group level could be sufficient but M2 and M3 could be full.

What am I missing? I hope I don't get the answer "You must use job scheduling in master planning" since this will take too long time to run.

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I have the same question (0)
  • Tim Schofield Profile Picture
    Tim Schofield on at

    Hi Henrik, I don't know the answer, but I've just started to look at using Capabilities for a project I'm working on, but Iexpect that the answer is the one you don't want.   Capabilities look to me like the Task Group that was available in AX2009 - and they only worked with job scheduling.

  • HenkeNord Profile Picture
    HenkeNord 465 on at

    Hi TIm, It cannot be that bad. When they allowed moving resource from one group to an other, the group concept won't be logic to use, in my opinion.

  • Fredrik Sætre Profile Picture
    Fredrik Sætre 12,644 on at

    Hi Henrik,

    Are the resource groups stated as a requirement or are you only using the capabilities?

    And how long does your planning take to run?

  • Fredrik Sætre Profile Picture
    Fredrik Sætre 12,644 on at

    I have a customer planning close up to a thousand production orders in 7 levels with primary and secondary resources with capabilities using job planning... It takes a full MRP 1 hour...

  • HenkeNord Profile Picture
    HenkeNord 465 on at

    The resource group is not stated in the route, only the capability.

    We've just upgraded to AX2012. In 2009 the coverage time fence was set to 196 days and 196 days finite capacity. It took about 20 minutes. In AX2012 I've had to reduce to 90  days (60 days finite capacity). Even though I reduced the time fence, it takes about 1 hour, 800 order rows, 2500 forecast rows, 9000 items in 5 levels.

  • Fredrik Sætre Profile Picture
    Fredrik Sætre 12,644 on at

    1. How many helpers are you using and how many cores on your AOS?

    2. What is your batch size set to? (Master planning > Setup)

    3. What timeout settings do you have on your scheduling settings (Sys admin > Setup > Scheduling)

    4. Are you processing and actually using action messages and futures? Even though they are turned off in master plan they still get processed. I have a tip to not getting them processed if you're not using them.

  • HenkeNord Profile Picture
    HenkeNord 465 on at

    1. Only one helper, if more the batchjob hangs. 8 cores.

    2. Batch size? don't know where to set that

    3. Timeout setting? don't know where to set that

    4. Yes, we have enabled both futures and actions and we use both types on a daily basis.

  • Suggested answer
    Fredrik Sætre Profile Picture
    Fredrik Sætre 12,644 on at

    2. This is the number of tasks given to each parallel processing task (helper). I believe it is located in the master planning parameters.

    3. There are two settings. One for general processing and one for optimization. I normally turn these down to 2 and 0. Optimization is very process intensive and can take a long time. You find these settings in either sys admin or org. manag. I never get these right. Under setup. Quite far down the list. Scheduling parameters.

    4. Most times I find it not necessary to use these to the extent of the horizon. Maybe just 2x the longest lead time... These aren't very much the issue... You can check the processing time for all of these under the master plan statistics.

  • HenkeNord Profile Picture
    HenkeNord 465 on at

    Sorry, in TEST-environment it was set to 90 days coverage and 60 days finite capacity, in PROD I use 150 (60). In PRD that plan takes about 1 hour.

    I tried changing to 90 days coverage, 60 days finite capacity, and futures also set to 90 (in PROD). With job scheduling it took only, 15 minutes. Futures only took 2 minutes. As, you said the future messages could be the "problem".

    2. Aha, you mean that. It's set to 50 and use of cache is set to Maximum.

    3. They were both inactivated. You think I should activate and set to 2 and 0? I'll try that.

    4. Actions just take 1 minute but futures takes 18 minute. I have set futures = coverage (right now 90 days). The lead time for material purchase is about 100 days, and average production lead time is 15 days.

  • Fredrik Sætre Profile Picture
    Fredrik Sætre 12,644 on at

    How long does it take to run a job scheduling as opposed to the operation scheduling you're doing now?

    2. You could increase them to see if that has any effect. Good with Max cache if plan is run outside business hours.

    3. Try activate and set what I have suggested. Maybe start with 5 and 0. This might also solve your deadlock with more helpers...

    4. Futures are almost like a full MRP run through, while action messages are only one/two parameter lookups (lead time + calendars)

    Check you usage of futures. No use in reporting something in 90 days is going to be delayed of you only focus/able to make changes in the next 30 days and that is what your sales activities entail. It shouldn't be any longer then the longest time you can perform changes to organisation or effects on outbound sales. But also depend on purchase lead times. Tough thing to adjust if you're not certain.

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