The following enhancement (user exit) is available for changing the network number:
You can use this enhancement to generate an external network number, based on the WBS element number. This enables you to immediately recognize the assignments between WBS elements and the corresponding networks.
Enhancement CNEX0012 contains the following enhancement components:
Function module exit:
Project editing: P/0000/000/000000/00
Project number: P/12/1/33/1 (edited)
P001200100003301 (unedited)
Sections 3 and 4 in this example are always unique for projects that begin with "P". In this example the following network number is generated: P00003301
Unlike modifications, enhancements are not influenced by a release upgrade because they are not part of the original SAP programs, rather, they exist in an area reserved for customers.
For more general information on generating enhancements refer to the documentation in the enhancement transaction under Tools -> Online Documentation.
Each enhancement has its own documentation. You can access this documentation by clicking on Display SAP Doc. in the enhancement transaction.