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SAP PP-Rescheduling

Hello SAP-Guruu2019s

Can anyone tell me

How Rescheduling happens in MRP (pls explain with an example).

And when the following messages are created from system.

Bring process forward

Cancel process

Postpone process

Any comments welcome & Thanks in adva

Former Member
Former Member replied


Rescheduling can assign in Plant parameter & MRP group.

Rescheduling horizon normally 100 days.Within this period, system will consider firmed planned orders, production order & receipts for net requirement calculation.

If one firmed planned order is in 4 months before ie 120 days before, system will not consider for net req calculation.

Say demand is 100 qty on 23.09.08

Resheduling Horizon 100 days

Firmed planned order available in 23.04.08

When MRP run system create planned order for 100 qty.

If rescheduling horizon 200 days, system will not create planned order for 100 qty & system propose reschedule the firm planned order to 23.09.08

In MD04 screen system will propose the firmed planned order reschedule to 23.09.08 which is available on 23.04.08

Cancel the process: This palnned or production order is manually created. There is no requirement for this order. Means excess order without requirement.



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