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Created on October 22, 2015

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Table of content1 Set up Clients2 Define clients3 Copy source client4 Change Country-Specific Settings

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1 Set up ClientsThis section describes how to set up and create new clients.

You find out about:

the significance of clients in connection with certain control parameter settings;

when to use the client copier;

the standard country versions (with special reference to the countries where is represented).

Define clientsIn the R/3 System, the client is a legally and organizationally independent unit. This means all business and commercial data are secure from other clients.

Clients are identified by a three-figure client number. A client has the following parameters:

Name, place and logical systemThese are descriptive parameters.

Role of the clientThe possible roles are: production ("live"), Customizing, test, training, and demonstration.

Change and transport of client-specific objectsThis parameter controls whether or not changes to Customizing settings are automatically recorded in a change request.

Changes to cross-client objectsThis parameter controls whether or not changes to R/3 Repository objects or cross-client Customizing objects are permitted.

Copy overwrite protection

CATT runs permitted

Currently locked, Client copy in progress

Protected against SAP upgrade

NoteFor information on the above parameters, use F1 help in the maintenance transaction.

Standard SettingsWhen you install the standard R/3 delivery system, you have the following clients:

Client 000Client 000 is the SAP Reference Client. It contains a complete set of preconfigured tables. This client is continuously updated by SAP.You should not work in client 000.The parameters for client 000 are set as follows:-

Client roleSAP Reference

Change and transport of client-specific objectsNo changes permitted

Changes to cross-client objectsNo changes to R/3 Repository objects or cross-client Customizing objects are permitted.

Client 001Client 001 is a complete copy of client 000, and is intended for your Customizing work.It is preconfigured with some settings you can work with right away and with some sample settings that help you in your configuration work.Set the parameters for client 001 as follows:-

Client roleCustomizing

Change and transport of client-specific objectsChanges recorded automatically

Changes to cross-client objectsChanges to Repository objects or cross-client Customizing objects are permitted.Set the following parameters for Customizing:

Client roleThe client set for Customizing is the one in which the system generates the SAPoffice folder hierarchies for your Customizing project documentation, so setthis parameter to "Customizing" for your Customizing client.

Change and transport of client-specific objects.

ActivitiesSet the parameters for each of your clients.

Further notesTake care with the settings concerning changes to Repository objects and cross-client Customizing objects. Such changes should be permitted only in theCustomizing client, and you should on no account allow them to be made in a training or test client.

The standard settings for country-specific parameters in client 001 are for Germany (DE).

Copy source clientYou can use the client copy function to copy a source client to the target client.

Setting up the new client involves:

Resetting those table contents in the target client that have not been copied. This is to create a consistent environment.

Copying data from the source client to the target client.

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Post-generation of the runtime environment using post-processing actions (client validation exits), used to adjust report, screen, and number ranges tothe current status of the data.

NoteMost of the time is taken up by the physical copying, as all the client-specific data of the SAP System is copied. For production systems, this can be several100 MB (when copying application data) and can take several hours.

Pure Customizing data can still be up to 100 MB in size. Depending on computer hardware and load copying can still take hours.

RecommendationFor this reason, SAP recommends that you execute client copy in the background. You can find out the status of an online run directly from the monitor; for abackground run, you can query the status at any time using transaction SCC3. The client copy is restartable, so you can always restart if a run is canceled.

RequirementsYou must not work in the source or target client during a copy run.

This is why the target client is locked for all users other than SAP* or DDIC during the copy run.To avoid data inconsistencies, you must not work in the source client, that is you must not change any of the tables to copied.This is another good reason for scheduling a background processing job at night.

Authorizations

Because of possible damage resulting from faulty copying of a client to the target client, authorization is necessary, as follows:

S_TABU_CLI to maintain cross-client tables

S_TABU_DIS to maintain the contents of table CCCFLOW

If you want to copy user master data and user profiles, you must have the appropriate authorizations:

S_USER_PRO for user profiles

S_USER_AUT for user masters

User SAP* has all the necessary authorizations.

RestrictionsGeneral Restrictions

During the client copy, the tables are always deleted in the target system first, and then the new data is read block by block from the source client andinserted in the target client. If the tables are very large, this can result in very long runtimes and, depending on the database, can also cause an overflow ofthe rollback segments.

Handling Number RangesWhen copying a client, you must take the number ranges into consideration. There are three possibilities:1. Copying customizing data and application data.In this case, the number ranges are also copied, as the application data refers to these number ranges.2. Customizing data only is copied; the application data is deleted.The number ranges are reset, since the application data that refers to them is deleted and application data set up again.3. Customizing data only is copied; the application data is not deleted.The number ranges are kept with the application data.ActivitiesTo copy a client within a single R/3 System:1. Log on in the target client as user SAP* with using password PASS.2. Start the client copier.3. Choose the copier profile you require.SAP provides the following profiles:a) SAP_UPRFOnly user master data and profiles are copied.b) SAP_CUSTAll Customizing tables, inlcuding user profiles, are copied.c) SAP_UCUSAll Customizing tables, inlcuding user data and user profiles, are copied.d) SAP_APPLAll Customizing data and application data, including user profiles, is copied.e) SAP_UAPPAll Customizing data and application data, including user profiles and user data, is copied.4. Specify the source client.5. Run the program in the background, or, if you are only copying user data and profiles, run it online.Additional InformationFor more information see the R/3 Online Documentation under Basis -> System administration -> Client copy .

Change Country-Specific SettingsYou use the Country version function to activate the standard country versions delivered by SAP. For detailed information see the report documentationCountry Version Installation Program RSCICO02.

Install the country version in a copy of client 000 in your test system; then test your Customizing settings; finally transport these settings to your live system.To do this, you must set up the client in which you are installing the version in such a way that Customizing changes are recorded automatically.

Caution:

Do not run the country version installation program in a live system.

PrerequisitesOrganizational units must be available in the SAP standard system. You cannot make changes to the standard system. Note that only organizational unitsfrom the standard system can be converted when you install the country version, not organizational units that you have created yourself.

ActivitiesFor more information on standard settings and activities, see the report documentation on the Country Version Installation Program (RSCICO02).

Additional Notes

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To execute the program, you must have authorization for authorization object S_TABU_CLI . You can run this program in any client that is a copy of client000.

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