Use
Once you activate Funds Management (FM), posting data from the feeder systems (such as Financial Accounting and Materials Management) is recorded as commitment data and actual data in FM. Besides this the posting dates of the
earmarked funds are also updated when activating.You activate Funds Management by activating particular company codes that you have assigned to FM areas. If you have combined more than one company code in an FM area, you have the option of activating some of those company codes, while leaving others inactive. This means you can set up the FM structures in parallel with existing posting activities in another company code, because you can carry out the following activities before you activate FM:
Activities
As posting data is passed on to FM when it has been activated, you can no longer:

In the following instances, the actual data in Funds Management is defective and must be reconstructed:
In these cases, you must reconstruct the actual data for the whole FM area. For more information, read