Steps for initiating a client in SAP

How To Open A Client In Sap

Client opening and closing in SAP. Go to client and system that you want to login (e.g. R01 CLIENT 300) Tcode SM01 – to unlock the tcodes SCC4 AND SE06. In SM01, Search SCC4, select SCC4 and client lock/unlock button.

– After unlocking SCC4 , go in SCC4 –&gt, “change option” tab —&gt, Edit (2 setting we have to change.) 6 Jun 2016

Client Settings

In the top menu, you will now see a button labeled “New Entries.” Simply click on this button to access the client creation screen, as depicted in the following illustration.


Please input the name of a city in this section; it is for informational purposes only.

Logical System

The logical system serves as an identifier for applications that interact with the client externally. It is not mandatory to specify a logical system, and it can be left blank if the client does not participate in external communications. However, if the client is involved in any form of data exchange with other systems like SAP BW or SAP CRM, assigning a logical system becomes essential. Client 000 does not require a logical system as it does not engage in external interactions.


In this field, you input the code for the primary currency utilized by the company, such as USD or EUR.

Client Role

The client function is explained in this field. You can use the dropdown list (F4) to see different options such as Production, Test, Customizing, Demo, Training/Education, and SAP Reference. These roles are quite clear except that in development systems both the development client and the client used for actual customizing usually have the customizing role assigned to them.

Changes and Transport for Client-Specific Objects

In this section, you will find a group of four radio buttons that determine the ability to modify client-dependent customizations in the selected client. The available options are as follows:

– Modifying client-dependent customizing without automatic recording means that any changes made will not be automatically saved in a transport request. However, it is still possible to manually create a transport request and include these changes.

– When changes are made to client-dependent customizing with automatic recording enabled, the modifications are recorded in transport requests.

– Some clients do not allow any modifications to be made to client-dependent customizing.

– In cases where changes can be made without automatic recording and no transports are allowed, any modifications remain local to the client and cannot be recorded in a transport request manually.

Cross-Client Object Changes

This option determines whether or not you can modify objects that are shared across all clients from the current client in SAP. As mentioned earlier, there are two primary types of these shared objects: development data stored in the repository and cross-client customizations. To view the available choices for this setting, you can click on (F4) to display a dropdown list.

Here are some options for opening a client in SAP:

1. Allow changes to both Repository and Cross-Client Customizing: This option allows modifications to be made to both development data and system-wide customizations within the client.

3. Limit changes to Development Objects only: With this setting, developers can make changes specific to their development work but cannot modify cross-client customizations. It is unclear why SAP uses a negative expression here instead of calling it “only repository changes allowed.”

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4. Permit Cross-Client Customizing but restrict Repository Object Changes: This configuration allows adjustments in cross-client customizations while preventing alterations in repository objects.

How To Initiate a Client in SAP

In this chapter, we explore the possibility of transferring data from one client to another in SAP. This can be done by copying the contents or overwriting the data of a client with information from another client. Additionally, there are tools available that allow authorized users to compare data between clients within the same SAP system or across different systems. While these functionalities are valuable, they do raise concerns about maintaining confidentiality, particularly in production systems. To address this issue, you can control the level of accessibility for copy and comparison tools through a dropdown list offering three protection levels.

These protection levels ensure varying degrees of security and control over how clients are accessed and manipulated within SAP systems.

The following chart outlines how the various protection levels impact the accessibility of data in a client XXX.

CATT and eCATT Limitations

Computer Aided Test Tool (CATT) and Extended CATT (eCATT) are robust tools that enable the creation of comprehensive automated test scenarios. CATT operates within a single SAP system, while eCATT is a script-based tool that runs on the frontend and allows testing of entire business processes across different systems. Although primarily designed for testing purposes in development or acceptance environments, both CATT and eCATT are commonly utilized for mass data uploads, despite there being more suitable tools available for this specific task. It is important to exercise caution when running extensive tests or large data uploads as they can potentially have a significant impact on client data if not handled properly. To mitigate risks, usage restrictions can be implemented by selecting one of five possible settings from the provided dropdown list.

– eCATT and CATT Permitted: With this choice, users are allowed to utilize both eCATT and CATT in the client.

– eCATT and CATT Only Permitted for Trusted RFC: In this scenario, only trusted connections can make use of eCATT and CATT within the client. A trusted RFC connection refers to a connection between systems that have established trust, enabling login without requiring a password.

– eCatt Allowed but FUN/ABAP and Catt Not Allowed: Users can employ eCatt in the client except for executing remote function modules (FUN) or using traditional ABAP commands (ABAP). The usage of catt is also restricted.

– ECATt Allowed but FUN/ABAP and CATt Only for Trusted RFC: Similar to the previous case regarding ECATt usage; however, if originating from a trusted connection, both FUN/ABAP commands as well as CATt are permitted.

Locked Due to Client Copy

Modifying this field is not possible as the system automatically activates this flag when a client copy involving the current client is in progress.

SAP Upgrade Safeguards: Ensuring Protection

Enabling this flag will prevent the client from receiving any new data during release upgrades. As a result, the client becomes unusable after the upgrade. This flag is only used when there is a need to preserve an unchanging version of a client for backup or archival purposes. It is not commonly utilized in practice.

What is the Tcode to initiate client opening in SAP?

In the TCODE SCC4, we have the ability to open or close a Client. Below is a screenshot taken from TCODE SCC4 for reference. If the option “No changes allowed” is selected, then any modifications cannot be made.


1. The TCODE SCC4 allows us to control whether a Client is open or closed.

2. A snapshot from TCODE SCC4 is provided below for better understanding.

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3. If the option “No changes allowed” is chosen, it restricts any further modifications in the Client configuration.

How to Initiate a Client in SAP

In SAP, the development system typically consists of multiple clients, excluding client 000. One of these clients is referred to as the golden client and serves as the primary location for development and customization activities. Changes made in this client are then transported to the test system. The golden client remains free from any master or transaction data. Additionally, there is another client known as the sandbox, which exists within the development system. This sandbox client is utilized for research purposes, experimentation, and conducting unit tests on developments and customizations imported from the golden client.

In SAP, the test system usually consists of a single client that is dedicated to quality assurance and integration testing purposes. This particular client serves as a platform for testing imported changes made to repository objects and customizing data in scenarios that closely resemble actual production processes. It contains a comprehensive set of master and transaction data to ensure accurate testing. Additionally, there may be one or more training clients available, which are refreshed before each training session either from the test client itself or from a designated “model” client containing limited transaction data along with essential master data.

Typically, the production system usually consists of only one client, unless it is being used for distinct independent entities, which is quite uncommon.

The following table displays the suggested configurations for various client types. These settings are ideal for regular operations, although there may be occasional exceptions (such as temporarily accessing the testing or production system to implement an urgent fix). However, it is important that these exceptions remain temporary in nature.

The configurations done using Transaction SCC4 are stored in the T000 database table, which has logging activated as a default feature.

Editor’s note: This post has been adapted from a section of the book SAP S/4HANA Administration by Mark Mergaerts and Bert Vanstechelman.

Opening a client in SAP GUI: How can it be done?

To open a new SAP GUI session in SAP Business Client, you can use the following options:

1. Enter “/o” in the quick launch or the SAP GUI command field. This will open a new tab page with the SAP GUI start screen.

Remember to follow these steps to initiate a new session and access your desired functionalities in SAP.

Editing a client in SAP: How can it be done?

To open a client in SAP, follow these steps:

1. Open the transaction STMS.

2. Select the SAP System that has the import queue containing the request you want to modify.

3. Choose the request whose target client you wish to change.

4. Go to Request → Target client → Change.

5. Enter the desired target client and save your changes.

In simpler terms, opening a client in SAP involves accessing a specific transaction called STMS and selecting the appropriate system and request within it. Once you have located the relevant request, you can proceed to change its target client by following the Request → Target Client → Change path and entering your desired value.

– Access transaction STMS

– Select relevant SAP System with desired import queue

– Locate and choose specific request

– Navigate through Request menu for changing target clients

– Save changes after entering new target client

The Importance of Opening a Client in SAP

The Open Client feature in SAP enables seamless communication between customer applications, third-party products, and various SAP products by providing the necessary interfaces. It consists of two main components: programming interfaces and network services.

Programming interfaces are essential for developers as they allow them to interact with SAP ASE (Adaptive Server Enterprise) and SAP Open Server. These interfaces provide a set of functions and methods that can be used to access data, perform transactions, and execute other operations within these systems. They serve as a bridge between the application code and the underlying database or server.

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On the other hand, network services play a crucial role in establishing connections between different systems. They facilitate the transfer of data packets over networks by managing protocols, addressing schemes, security measures, and other networking aspects. With these services in place, client applications can communicate effectively with SAP ASE and SAP Open Server without worrying about low-level network complexities.

What does client open mean?

Open Client is a crucial component that facilitates communication between customer applications, third-party products, and other Sybase products with Adaptive Server Enterprise and Open Server. It consists of two main components: programming interfaces and network services.

On the other hand, Open Client also offers network services that facilitate secure communication between client applications and servers. These services ensure reliable data transmission over networks while maintaining data integrity and confidentiality. With robust network services provided by Open Client, organizations can establish stable connections with SAP servers for smooth information exchange without compromising security.

Checking client opening in SAP

To open a client in SAP, follow these steps:

1. Go to the client and system that you want to log in. For example, R01 CLIENT 300.

2. Use transaction code SM01 to unlock the tcodes SCC4 and SE06.

3. In SM01, search for SCC4, select it, and click on the client lock/unlock button.

4. After unlocking SCC4, go to SCC4 and navigate to the “Change Option” tab.

5. In this tab, click on “Edit” as there are two settings that need to be changed.

6. Change the date setting to 6th June 2016.

In simple terms, opening a client in SAP involves accessing a specific system and using transaction codes (tcodes) like SM01 and SCC4 to unlock certain functionalities or settings within SAP. By following these steps mentioned above, you can successfully open a client in SAP.


– Go to the desired system and client

– Unlock tcodes SCC4 and SE06 using tcode SM01

– Search for SCC4 in SM01

– Select SCC4 and use the client lock/unlock button

– Access SCC4 again

– Navigate to “Change Option” tab

– Click on “Edit”

– Change date setting

1. Choose your desired system and login into it with appropriate credentials.

– Once found select it from results list then proceed further with next step below:

ii) Utilize the client lock/unlock button to proceed with unlocking SCC4.

– This tab provides options for editing specific settings related to clients.

The meaning of SE06 in SAP

Transaction SE06 is a crucial tool in the SAP system that allows users to manage the changeability of objects. This feature is controlled by a series of settings, which work together to ensure proper control over object modifications.

The first setting, known as the Global Setting (SE06), provides an overall configuration for managing object changes. It allows administrators to define rules and restrictions on what can be modified within the SAP system. By configuring this setting, organizations can maintain control over their systems and prevent unauthorized or unnecessary changes.

The second setting, called Software Component Setting (SE06), focuses on controlling changes at the software component level. A software component represents a specific area or module within the SAP system. With this setting, administrators can specify which components are open for modification and which ones should remain locked down.

P.S: Transaction SE06 plays a vital role in maintaining control over object modifications in SAP systems. The combination of global settings, software component settings, and name space settings ensures that only authorized changes are made while preventing any unwanted alterations that could potentially disrupt system functionality.