SAP-Types of Users in SAP-R/3

                                                    

                                                             SAP-User Types       

                                                          




User Types-SAP                                  Description

DIALOG User : A user of this type can perform dialog processing in interactive mode.

COMMUNICATION User :Communication users are used for DIA free communication such as FC.
                                            Not allowed to log on to R/3
SYSTEM User : System Users are used for dialog free communication.
                            RFC users for ALE,TMS(Transport Management System)
                            Log on is not possible.

REFERENCE User : Reference users are non person related users.
                                    For eg:-In case you have to assign some identical authorization to all internet                                       users,you can create a reference user with all those identical authorization to                                       all other user.
SERVICE User : Service users are dialog users,which are available to a large number of                                                anonymous group of users.
                             User type should be assigned with great caution and limited authorization.
                              Eg:-To access via ITS(Internet Transaction Server).





Regards,
JUNAID AHMAD