Let us first understand what a client is before we move on to SAP
client administration. A client is used in SAP system for multiple login on
single instance. You can create multiple clients on a single instance. It also
provides data security wherein, one user with one client can’t see the data of
the other user with another client. In addition, there is no need to install
the software for each and every user. SAP BASIS training by experts from SAP trainings Online makes you too become
successful SAP consultant.
Client is defined as a self contained business entities or
independent accountable business units in commercial, organizational and
technical terms. One client is normally referring to one user of SAP system. Once
customer maps to only one client at a time. One user with one client cannot
able to see the data of another customer on the other client which provides
isolated and security.
There is no need to install separate software’s for each
user/customer.
Advantages of client
concept:
Client concept comes in with the following advantages:
You can share the same resources between multiple users.
You can manage SAP system landscape as you can create multiple
clients for DEV, QA and PROD team.
You can share your SAP system with a large number of users.
You can create clients in SAP system from 000-999.
SAP system comes with the following three standard clients:
000 Client − This is called master
client and is available when you install R/3 system.
001 Client − This client is a copy of
000 client including the test company. This client is used to create new
clients normally.
066 Client − This is called SAP Early
watch and is used for diagnostic scans and monitoring service in SAP system.
Client contains
Application data: Data that are stored in the database tables.
Customizing data: Data created by customers when customizing their
systems.
User master record: Defines the authorizations assigned to a user.
Data classification
Data in the database are classified as two types:
Client independent data/cross client data
Client dependent data
Based on these two types, clients have differentiation about the
data accessing and displaying.
Client independent
data/cross client data:
Data created on any client within the system
Data can be accessible from any client
Data is not specific to any client and it is belonging to all the
clients
Ex: screen data, transaction data, repository data and dictionary
data.
Client dependent
data/Client specific data
Data created on the specific client and can be accessible through
same client.
Ex: user data, authorization data, application data
Default
Clients
SAP system comes up with three standard
default clients.
000-Master client
001-copy of the master client
066-early watch client
000-Master
Client
000 clients are available immediately after installing R/3 systems.
Client is called as master client
This client has client independent settings
This client contains test company’s simple organizational structure
and includes all applications parameters, settings, configurations and
transactions etc.
This client is normally used in business environment
001-copy of master client
Client 001 is called as copy of master client including the test
company
Client 001 used to create new clients normally
Client 001 settings are client independent if they are customized or
configured.
Client 001 can be customized to move it to the PROD environment
In general, users mostly use 001 client to create a new client
If the client 001 is customized, it won’t behave like master client.
066-early watch client
Client 066 is called as early watch client
Client 066 used to perform early watch service for customer systems
Early watch service is diagnosis and monitoring service for solution
monitoring of SAP and non SAP systems.
Early watch service triggers alerts and the alert may contain
performance issue, database administration related issues etc,
Client Management
Transactions
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