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2.  Basis is a set of middleware programs and
tools from SAP, the German company whose
comprehensive R/3 product is used to help
manage large corporations.
 SAP provides the underlying base (thus the
name) that enables applications (such
as FI, CO, and SD, for example) to be
interoperable and portable across operating
systems and database products.

3.  R/3 Basis includes client/server architecture
and configuration, a relational database
management system (RDBMS), and a
graphical user interface (GUI).
 In addition to the interface between system
elements, Basis components include a
development environment for R/3
applications, and a data dictionary, as well as
user and system administration and
monitoring tools.

6.  ABAP+Java System Architecture
 Message Server :It handles communication
between distributed Dispatchers in ABAP system.
 Dispatcher Queue: Various workprocess types
are stored in this queue.
 Dispatcher: It distributes requests to the
workprocesses.
 Gateway:It enables communication between SAP
system and between SAP system and external
systems.
 ABAP-Workprocesses:- It separately executes
dialog steps in R/3 applications.

7.  The Client is a 'Customer'. We can say that
each customer maps to one client. Within
one SAP instance, a number of Clients can be
created. No need to install separate
software's for each and every customer.It
provides isolation ,one client cannot see the
data of other client.

8.  Theoretically we can create clients from 000
to 999.But maintenance of such a large
number of clients becomes a challenge.
Step 1) Execute T-Code SCC4
Step 2) . It will bring you to the initial screen
of SAP clients.
Click New Entry to make a new SAP Client

9. Step 3)
 Client number & description
 City to which client Belongs (etc, NY-New York)
 Logical system may be <SID>CLNT<Client Number>
 Std Currency may be (etc EUR)
 Customizing,Demo,Training/Education,Production,etc
 Enter your client specific data and set permission for
the clients as per your requirement
 Save
 Press F3 to come back to SCC4
Step 4)
New client will be there in the list.Here we have
created client 100.

10. Step 1) Exécute T-code SU01
Step 2)
 Enter Username which you want to create.
 Click the create button
Step 3) In the next screen
 Click the Address tab.
 Enter Details
Step 4) Choose the user type in Logon Data tab.
There are 5 types of users in sap:-
 Dialog user:- Normally it is used for interactive
system access from GUI (used for human users)

11.  System user:- Normally it is used for
Background processing, communication
within a system.
 Communication user:- It is used for external
RFC calls.
 Service user:- Dialog user available to a
larger, anonymous group of users.
 Reference user:- General, non-person
related users that allows the assignment of
additional authorizations. Example, Internet
users created with transaction SU01. No
logon is possible.

12. Step 5) Type the initial password for 2 times.
On first logon of the new user , system will
ask to re-set the password.
Step 6)
 Select the roles tab
 Assign roles as per requirements
Step 7)
 Select the profiles tab
 Assign profiles as per requirements

13.  You can
assign SAP_ALL and SAP_New profile to user
for full authorization.
 SAP_ALL:You assign this profile to users who
are to have all R/3 authorizations, including
super-user authorization.
 SAP_NEW:You assign this profile to users who
have access to all currently unprotected
components. The SAP_NEW profile grants
unrestricted access to all existing functions
for which additional authorization checks
have been introduced.

14. Users can therefore continue to work
uninterrupted with functions which are
subject to new authorization checks which
were not previously executed.
Step 8)
 Press save
 Then the back button(F3) button

15.  In this PPT we have mentioned the few
topics explanation which we provide the
training, If you want to get the training in
SAP BASIS the reach Creating Experts we will
provide you the real time training
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basis-training-in-chennai/