our admins won't give the sap_all for the RFC-PI user that connects to R/3.
Which role should we give at least?
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technical IDOC access:
for this you need to know which things is this user going to execute (like which transaction)
and add those auth for this user - there is no general access here
as I never came into contact with authorations, role etc.
Is there anything else neccessary for the RFC-Connection?
probably you need to learn how to use the trace for authorization in order to find out which
roles you need to add for modules as not giving SAP_all usually ends up with many auth errors in IDOC processing
so this can speed up your error solving
nothing more is necessary I guess