Hi
It is strongly recommended, however, that you do not activate both types of CO-PA. The
major reason being is that you will have significant table size impacts. You must be careful
with account based CO-PA as this creates additional line items in the existing CO tables of
COEP (actual), COEJ (plan), COSP & COSS (summary records). Hence if you want to do any
cost center reporting, say, from any of these existing tables you will run the risk that
performance will be degraded by these additional and unnecessary records.
The only advantage of account based over costing based CO-PA is it's ability to
automatically reconcile back to FI, in much the same manner as you would reconcile
cost center accounting back to FI. However you don't have the flexibility in account
based CO-PA to perform valuations using product cost estimates etc. as you do in
costing based CO-PA. If the reason you were advised to turn on account based CO-PA
as well as costing based was to facilitate reconciliation, it is suggested that you look
at alternatives that won't have the same negative impacts that turning on account
based would have. In addition to the serious table space issues, it is not that easy to
turn on and off account based at will (especially in production).
Instead what you should look at doing is creating a series of reports that enable you to
reconcile costing based CO-PA back to CCA/PCA and FI, if this is required. The complexity
of the costing based functionality you have used will determine the complexity of the
reports that will be needed to reconcile back, but it can be done without turning on
account based CO-PA.
Regards
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