Parts discontinued in MRP

Hi All,
How parts discontinued is work with BOM application. In my case if am putting discontinued indicator 1 for main material and 3 for dependent material, its giving required result. But as per SAP given help, if my using discontinued group with this indicator, in MRP the requirement is not generated. Why this is so? I had gone through SAP help as per given example. Plz suggest.
Regards,
Rajesh

Dear,
In MRP4 of discontinution material master enter the followup material and date from which it will be discontinued, from that day the requirement will be passed to new material.
You need to enter the discontinuation group in material to be discontued and followup material group in material which is going to be replaced.
See the link below
http://help.sap.com/saphelp_erp60_sp/helpdata/en/a0/1016bd4c8311d189520000e829fbbd/frameset.htm
see the example, there are two types
1: Discontinued Item (Simple Discontinuation)
In simple discontinuation, the discontinued item 0010 (material M-1) is replaced with the follow-up item 0010 (material M-2) and 0010 (material M-3).
In the material master of material M-1, the discontinuation indicator is set to 1.
Item   Material    Discont. group Follow-up group
0010-M-1--
A1
0010-M-2--
A1
0010-M-3--
A1
Example 2: Discontinued Item (Parallel Discontinuation)
In parallel discontinuation, the discontinued items 0010 (material M-1) and 0010 (material M-2) are replaced by follow-up item 0010 (material M-3).
Material M-1 is the main material to be discontinued (discontinuation indicator 1) and material M-2 is the subordinate material to be discontinued (discontinuation indicator 3). Material M-3 is the follow-up item.
Item Material Discont. group Follow-up group
0010M-1--
A1
0010--M-2 -
A1
0010M-3--
A1
Example 3: Follow-Up Item
In simple discontinuation, item 0010 (material M-2) replaces 0010 (material M-1).
Item   Material    Discont. group Follow-up group
0010-M-1--
E1
0010-M-2--
E1
Please come back if required with questions on the examples given above so that it will be clear to you.
Edited by: Rajesha Vittal on Apr 25, 2008 2:44 PM

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