Difference in Material availability date for ECC ATP check & for APO ATP check in the same order

Hi Gurus,
I have a question: on what basis material availability date is calculated in forward scheduling?
Eg:
For a customer GR hours are maintained in unloading point calendar in customer master and Customers are not CIF'ed across to APO.
GR hours are maintained for weekdays from 8:00 to 12:00 & 1:00 to 6:00.
In a sales order with two line items with Requested date today & plenty of stock on hand for two products( ECC & APO) where line 10 (product 1) triggers ECC ATP check & line 20 (product 2) triggers APO ATP check at same location (loc1).
RDD is today, material availability date for ECC ATP check (line 10) is today (working as expected) but where as the material availability date for APO ATP check (line 20)is pushed to next day by which for the same customer there are different delivery dates. And two delivery notes will be created & truck will be on road at different times for the same customer which is unacceptable.
What am I missing here to get the material availability date as today for forward scheduling? Please guide me on this.
Thanks,
Nihar

Hi Nihar
Though the logic you mentioned makes sense. I am confused here with the data you have provided:
UTC day
UTC time
CET day
CET time
UTC+6 day
UTC+6 time
RDD
30/04
17:24
30/04
7:24
30/04
23:24
MAD
30/04
17:24
30/04
7:24
30/04
23:24
Lod/GI
02/05
17:24
02/05
7:24
02/05
23:24
Del
12/05
17:24
12/05
7:24
12/05
23:24
Del
13/05
1:00
13/05
3:00
13/05
8:00
Load/GI
05/05
1:00
05/05
3:00
05/05
8:00
MAD
02/05
1:00
02/05
3:00
02/05
8:00
In the first row, the difference in RDD in UTC and UTC+6 is 6 hours. However, in the last three rows I can see the difference between UTC time and UTC+6 time is 7 hours. Would you know the reason to this? Also, in the first four rows, CET time = 7:24 which should had been 19:24. Please correct me if I am missing something here.
Thanks,
Parth Soneji

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Om,
No. Aside from my obvious desire to preserve my privacy, it would be a disservice to the other forum members. No-one else but you and I would understand your problem, and no-one else but you would be able to benefit from any solutions.
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Dear Gurus,
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hi
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Best Regards
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Shoeb

check this
http://sap.ittoolbox.com/groups/technical-functional/sap-log-sd/material-availability-date-825988

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Hi experts,
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Sarvan,
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Dear All,
Can any one help me in finding out User Exit to change Material Availability date in VA01, which system propose automatically.
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It would be great helpfull for me if any one help me in this issue ASAP.
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With Regards
K.Babu

Hi,
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Reg: Material Availability Date

Dear All,
I find difficult to understand the logic behing arriving Material Availability Date.
It is not a basic question. Because I know the Availability check process and Backward scheduling process. But I am not able to understand the link between the process to arrive Material Availability Date.
Availability chek is carried with Checking group + Checking rule combination. With that we can conclude the Available quantity to promise the Customer.
But how does the Backward scheduling or Forward scheduling comes into the picture. How does the Backward or Forward scheduling getting triggered? Is it part of Availability check?
Because the quantities are confirmed by Availability check and the dates are confirmed by Backward or Forward scheduling. How does the systems synchronizes the quantity and date? Could you please explain.
I am not able to understand how does the Material confirmed on particular date and how does the Availability check helping to fix it?
Kindly explain.
Regards,
Raja Durai

     1. Basic doubt; I could see a graph with Inward and Outward movements in the given link, is it
         populated based on the movements in CO09?
Yes, the inwards & outward movements that are considered in the ATP check are displayed in CO09. Transaction OVZ9 determines which inward & outward movements are included.
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As per response from Phanikumar, check the F1 help of the field in CO09. This is the best explanation available for RLT.
     3. Is forward scheduling considered if we have RLT active?
Yes. RLT is only relevant if there is no available quantity so forward scheduling can be used.
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Yes, this depends on the customising in OVLY mentioned by G. Lakshmipathi.
Take the following example:
Requested delivery date = today (17th) February
There is a route with 5 days transit time.
RDD (27th) - 5 days transit = GI date of 22nd February.
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Material Availability Date of Sales Order

An issue 1 :
There is material which is GATP relevant and stock is available in APO and R3.When GATP check is performed MAD Date is shown as Current Day +1,where as it should be Current Day only.And this issue happens on Friday only i.e GATP returns Current day as MAD day on other than friday.
An issue 2 :
There are Sales Order already created for a material sat mat1 with availability check code "ZF" in MRP3 tab of material master.The MAD has already been calculated with existing settings through GATP functionality.
What is required that change the availability check code in MRP3 tab of material master to "ZB" and re-check the availability of the already created sales orders in R3.
But what we understand since Sales Order already created for Availability check code "ZF",new changed "ZB" will not impact the ATP check.
An issue 3 ;
What are the settings influence the calulations of MAD in APO and R3.
Is there any way this can be achieved.
Manish

Manish,
First, you will always get better responses in this forum if you enter one issue per post. Many people are unwilling to respond to a multi-question posting.
Issue 1. There are dozens of factors that can contribute to a Material Availability date in APO. Are you using RBA? Allocation? ATP against a forecast? CTP? Transportation Scheduling? etc etc etc......
The most likely reason is that you have an issue with with valid workdays in one of the calendars that affect your GATP check.
Issue 2 - This is mostly an R/3 issue. The practice you call out (change the MM ATP checking group and re-atp the order) is only supported by SAP in a limited way. The easiest way I have found to do this is to open the sales order, remove the plant from the item, and then save the order. Make your changes to the MM. Wait until the MM changes get to SCM. Now, re-open the sales order, and re-enter the plant. If you are lucky, the sales order will re-read the updated MM data, and re-atp the order in SCM using the updated SCM data. Now, re-save the sales order.
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Also, be aware that any ATP checking group beginning with a 'Z' has been customized for your company. You should contact the local SD expert to see what changes your company had made for these ZD and ZB groups.
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Good luck!
Regards,
DB49.

Material Availability date differs in R/3 & APO

Hi,
We are facing Issue with Material Avaialbility date for Planner order/Manufacturing Order in R/3 and APO.
We are using a Master Recipe for PDS Creation in APO which consists on 9-10 different operations, out of which only inbetween operation 4-5-6 is scheduled in APO.
So in APO Other Operations are not availble in PDS and hence not considered for scheduling as required. Also GR Processing Time is maintained on Product Master for which infinite Capcity Handling resource in created in APO.
When we schedule Operations in APO, the Scheduled dates for Operation 4-5-6 is sent back to R/3 and for other Operations based on relationship maintained takes addistional 1-2 Days.
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Thanks for your Help !!!

Hi Senthil,
I completly understand, that APO Material Availability date is GR end Date while in R/3 its a Process Order end date.
But Problem is not that.
Problem is not all operation of Process order are in APO, so assume u have 5 operations in Process order out of which only first 3 are relevant for schedulilng in APO. So APO schedules these 3 Operation and adds the GR time to Show the avaiablity date.
While in R/3 GR Time is added after end of Operation 5 which is right, so GR end date in R/3 and APO dont match.
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Thanks and Appreciated !!!

Material availability date issue

Hello,
I am trying to create a sales order with 100 Kg of one material listed. Unrestricted stock for this material is 780 Kg in the system. When I save the order however, material availability date shows as one day forward from the current date, i.e. tomorrow's date shows if order was made today. This affects the posting of the dispatch advise (Outbound delivery). It does not let me post the DA until I change the selection date in VL01N to a date that is the same or later than the material availability date. This is fine. What I want to know is why is the material availability date showing as one day after the order date on the sales document? If stock is on hand and we want to dispatch the same day as the order it can't be done at present. Please help.
Regards

Dear Khan
Go to OVLZ, select your shipping point and check in "Pick/pack time wrkdys" whether any value is maintained. If so, remove that and now retry. Bcoz, for example, if 2 is given in this field, even if stock is available on the same day of order creation, system will allow to do PGI only after 2 days from the date of order created
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Creditreport that displays Sales Orders with Material Availability Date as

Hi
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Not in standard provided. Custom program is required.
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Material Availability Date

HI ALL,
I have a client..
She requested to configure a route for two new customer..
I configured the new route: R1, it has 22 calendar days transit time, and 3 working days transportation Lead time.
Then she create an Export Order on 12/01.
Indicating the Required Delivery Date of 12/30.
Then Automatically the:
Material Availability DAte defaulted to 12/8;
Goods issue date 12/8;
Loading Date 12/8;
Transportation Planning Date 12/3.
1. Am I right in saying that the computation for the Material Availability date for the above example is based on the indicated Required Delivery Date which is 12/30? Is it 12/30 - 22 days (transit time) = 12/08 MAD? Considering also that the material will have a stock that time (based on Planned orders)?
2. And then regarding the transportation Planning date, am I right in saying that it was computed 3 working days from MAD 12/8? (weekend 12/6 and 12/7)
3. How can I possibly configure the Material Availability Date to be 25 days from the Required Delivery Date without any impact to Transit time of 22 days? Is there any other way? Its like 22 days - Transit time and 3 days for material preparations?
I'll appreciate any prompt response. Thanks!
-Jisley-

Hi there,
1) Transportation lead time TLT is the time that is required by the transport planning point to finalise & prepare for the tramsport (like finailise the carrier, route, costs etc).
So the TLT is 3 days from the order load date. The system need not wait till the MAD & then calculate MAD + 3 days for transportation planning time. Even tough material is available or not TLT is 3 days from order date.
2) When you mean 3 days, it need not necessarily mean 3 working days. Check the factory calender assigned to the route & the shipping point. Check what are definied as working days / holidays. System will calculate accordingly. If Sat & Sun are holidays in the factory calender, then it would take 3 working days. Else it is 3 calender days weekends not included.
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Regards,
Sivanand

Material Avail.date determination

Dear all,
In transaction OVLZ, we have customized per shipping point the days to get the material availability date. And it works Ok.
But, I think you can do this determination by material as well.
In material master data, we have in tab "Sales:General/Plant" some fields to use for this date: Setup time, Proc time.
how can I use this time? Which possibilities do exit to obtain the material availability date?
Thanks in advance.
Iné

You can also determine by Sales Document Type, whether Delivery & Transportation Scheduling is to be done or not.
This can be done at:
IMG - Logistics Execution - Shipping - Scheduling - Delivery Scheduling and Transportation Scheduling - Define Scheduling By Sales Document Type..
As far as Pick / pack time, Loading Time & other days are concerned, they are defined in OVLZ & nowhere else.
Hope this helps,
Thanks,
Jignesh Mehta

Difference in Material availability date for ECC ATP check & for APO ATP check in the same order

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