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WHAT IS RESCHEDULING HORIZON ?

Rescheduling check is to change the dates of already existing firmed receipts
which were not planned on the same day as the requirements day to suit the
requirement.

For this we need to define a rescheduling horizon.

Rescheduling horizon defines the period for bringing the receipts that should be
taken into account for rescheduling.

There are two process

1.Reschedule in - Bringing the process forward Exception message 10

1. Within the recheduling horizon the system checks whether after the
requirement a firmend receipts exists which can be used to cover this
requirement.
2. Then the system displays the message Bring the process forward and
exception message 10
3. The net requirement calculation uses the receipt and the system will create
new procurement proposal only if there is any shortage.

4. For this we need to define a tolerance value for bringing the process in
tcode OPPQ /OPPR
The system checks compares this value with the difference between order
finish date- Reqmts date.If this difference is more than the tolerance value
the system issues the message for the MRP element to bring the process
forward if the reqmts date lies before the firmed receipt element date.
5. Same process for Postponing the process Exception message 15.


During MRP the system carries out Rescheduling check automatically. No Tcode is reqd.
Rescheduling check is to change the dates of already existing firmed receipts
which were not planned on the same day as the requirements day to suit the
requirement.

In OPPQ you have defined the tolerance value say 2.

The difference between order finish date and reqmts date is say 4 days.

Then the system compares the tolerance value(2 days) with this 4 days.

since this 4 days is greated than tolerance value the system decides that the order proposals nedd to be rescheduled.

Then system checks whether it is bring the process or postpone the process.

If the reqmts date is before the order finish date then the system issues exception message 10 Bring the process forward.

If the reqmts date is after the order finish date then the system issues exception message 15 post pone the process.