Page 38 - Basis

Lesson 3 – Authorization checking

- A person can log on to a client of an SAP system if they know the

user/password combination for a user master record.

- In the SAP system, there is an authorization check every time a

transaction is called. If a user attempts to start a transaction for

which he or she is not authorized, the system rejects the user with
an appropriate error message.

- If the user starts a transaction for which he or she has
authorization, the system displays the initial screen of this

transaction. Depending on the transaction called, the user enters

data and performs actions on this screen. Additional authorization

checks are made in each step for other data and actions that are to
be protected.

- Users are assigned authorizations using roles. The authorizations
are combined in roles and the roles are entered in the user master

record

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