SAP NetWeaver is a web-based, open integration, application platform that serves as the foundation for enterprise service-oriented architecture (enterprise SOA) and allows the integration and alignment of people, information, and business processes across business and technology boundaries. It allows the composition, provisioning, and management of SAP and non-SAP applications across a heterogeneous software environment. See SAP Netweaver training for more details.
Netweaver runs both Java (and rightfully, J2EE Services) and ABAP independently or in some cases both ABAP and Java together (e.g. Solution Manager and PI). Netweaver also has its own release and release strategy. For example NW 7.0 or NW 7.0 EHP1 or NW 7.3.
Application center and instances
The SAP NetWeaver work center includes the configuration of the following tools:
Adobe Document Services − This allows you to register the Adobe Reader Rights credentials as well as keep track of all unlicensed interactive form designs in your system.
Application Module − This allows you to view the details of the deployed applications and their modules. Here, you can also perform the run-time configuration of the application modules.
Application Resources − This allows you to enable applications to make use of external resources. A NW Administrator can add or delete the application resources.
Authentication and Single Sign-On − This allows you to choose the required authentication mechanism for your applications. You can configure the following authentication and SSO:
- AS Java as service provider
Certificates and Keys − This allows you to manage the AS Java certificates and keys.
Composite Application Framework Authorization Tool − This allows you to manage business rules and Instance Level Permissions for CAF applications, business object nodes and AS Java instances.
Configuration Wizard − You can make technical settings required for the technical processing of a system or a technical scenario.
Destinations − This can be used to specify the remote service's address and the user authentication information for remote connections.
Development Infrastructur − This is required while developing with Java and you want to manage it with Transport Management System (TMS).
Identity Management − This allows you as an administrator to control applications access by creating users and providing these users with a means of authenticating themselves to an application.
Internationalization − This allows you to manage data from double stack systems and also used for synchronization purpose.
Java HTTP Provider Configuration − You can create new virtual hosts and configure existing ones for all registered systems.
Java Class Loader Viewer − You can monitor the hierarchy and references between the class loaders in the AS Java.
Java System Properties − Using this, you can view current system configuration of Application server JAVA and you can edit the properties that are marked as online modifiable.
Java Connection JCo RFC Provider − You can manage the Java Connector Remote Function Call (JCo RFC) Destinations. This allows you to create, edit and view existing connections.
JMS Server Configuration − This is used to create new JMS resources.
Licenses − You can request and install new SAP licenses.
Log Configuration − You can view current log configuration, change security or reset it to default.
Message Server − You can monitor message server parameters and settings.
SAP NetWeaver Administrator Tool − SAP NetWeaver Administrator (NWA) is a web-based tool that allows you to perform configuration, advanced administration, and also to monitor, troubleshoot, and diagnose a SAP NetWeaver system.
You can use NWA tool in the following working modes:
- Local and remote
Managing Java instances using NWA
Follow these steps to change the status of Java instances at runtime. Learn programming by experts from JAVA training
Step 1 − Go to SAP NetWeaver Administrator > Operations > Systems > Start & Stop
Step 2 − Now, go to Java Instances tab under NWA.
Step 3 − You can see all available instances with corresponding information about the server processes within the instance.
Step 4 − Select an instance to perform the following functions under NWA
- Start, stop or restart a Java instance.
- Enable or disable debug mode for AS Java processes.
- View and refresh OS processes.
- Clear the DNS cache for a particular instance.
- Set a number of server processes (nodes).
SAP NW system landscape
Follow these steps to perform the implementation of SAP NetWeaver system:
Step 1 − Plan the implementation by defining the scope, hardware and software requirements, and release instructions.
Step 2 − Define the system landscape for the use cases.
Step 3 − Install the components of SAP NetWeaver system.
Step 4 − Configure SAP NW systems.
System Landscape Management Using SAP Solution Manager
SAP recommends the use of the latest version of the SAP Solution Manager to manage your system landscape. See SAP solution manager training to learn how to manage system landscape. It is important to correctly define your SAP system landscape in the following versions of SAP Solution Manager to maintain it correctly.
SAP solution manager 7.0
You can use the SAP Solution Manager System Landscape transaction code — SMSY for the complete system description.
SAP Solution Manager 7.1 SP01 to SP04
You can use the Landscape Management Database transaction code — LMDB to maintain technical system information. To maintain logical product information, you can use the transaction code — SMSY.
Verifying Landscape with SAP solution manager
To verify and correct your system landscape, SAP recommends that you use the verification functions of the following versions of SAP Solution Manager.
SAP solution manager 7.0 to 7.1 SP04
Use Landscape Verification 1.0 for SAP Solution Manager. This add-on allows you to identify and correct issues in your SAP Solution Manager landscape (Transaction SMSY) before they cause problems, for example, during a system update. Example for errors are a missing connection to the System Landscape Directory or the incorrect assignment of products to technical systems. For each type of error, a generic description for the solution is provided.
SAP solution manager 7.1 SP05 or higher
Use the landscape verification function that is embedded into the product system editor of the Landscape Management Database (LMDB). It replaces the previous Landscape Verification tool.
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