SAP Note 28175 - Questions regarding the authorization concept

Symptom:

Questions which occur regarding the authorization concept:
1) How do you delete the user SAP*?
2) How do you transport profiles and authorizations?
3) Authorization check when starting transactions (table TSTCA)
4) Which authorization objects are checked?
or, How can the administrator find out which authorization objects
are checked with which values for a particular function that is to be checked?
5) A short introduction to the topic authorization check?
6) What naming convention is used for authorizations?
7) What can a user do if he is not authorized for a function?
8) What does the standard SAP profile SAP_NEW do?
9) Why are blocked users unblocked by an incorrect logon at midmight?
10) How can a customer let his/her own coding run after user logon?

Cause and prerequisites

Information request which is not or only partially covered by the System administration manual.

Solution
1) See note 4326 (Currently, only released internally in SAP. Contact your SAP Basis Consultant if you need this Note.)
2) See note 11013
3) See note 15253
4) See note 18529
5) See note 20534
6) See note 20643
7) See note 23342
8) See note 28186
9) See note 32068
10) See note 37724