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Reload this page SAP R/3 Configuration

Here is a condensed analysis of (without the sales hype) how to configure SAP R/3 Netweaver. Included are a comparison of components and explanation of SAP SID, Profiles, PATH, and Server Services.

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SAP Solution Applications, Modules, Exams
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SAP R/3 Configuration
SAP Netweaver Architecture Internals
SAP R/3 Tablespaces
SAP Solution Manager
SAP R/3 User and Server Administration
SAP R/3 Monitoring and Performance Tuning
SAP GUI Emulation for Load Testing
SAP R/3 ABAP Programming


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* SAP's Glossary,
* SAP Developer Network

Set screen SAP Clients and End-User Terminals

    In the SAP world, a "client" is a legal entity such as a corporation.

      The default "000" client contains client-independent settings.
      SAP AG reserves client "066" as part of its EarlyWatch service.

    However, in the IT networking world, what many other organizations call the machines used by end-users "client PCs", SAP calls "terminals".

    SAP end-user terminals (usually runing Windows XP OS) are connected to client corporate servers though the public network or internal VPN servers.

    Terminals make requests to a VIP (Virtual IP) configured on an inbound router into the server farm.

    [_] Set protocol.ora file parameter tcp.nodelay=yes so that packets are streamed onto the network without delay.


    Experts with SAP's "Remote Support" service log onto systems to resolve problems.

    The multiclient concept of R/3" on SAPnet

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Set screen SAP SID, Profiles, PATH, and Server Services

    Each R/3 installation (SAP system) of a database server and several app servers running the application logic is uniquely identified by a single SID (SAP System Identification), aka SAPSID — a three-character code such as C11, PRD, E56, etc.),

    The evaluation version of Netweaver ABAP uses SAP SID "NSP". This value is specified in a text file DEFAULT.PFL profile file as property = value pair


    SAP profile files are text files with invisible Unix newline at the end of each line. So if you are on a PC, use Wordpad rather than Notepad.

    Profiles comment lines are preceded by a # (pound) character.

    Several servers can be be associated with this SAPSID by referencing the DEFAULT.PFL. This is why parameters configuring Buffer synchronization by the "SAP Messaging Service for ABAP" is also specified there:

    Parameter name Recommended value
    rdisp/bufrefmode sendoff,exeoff (central system)
    sendon,exeauto (client/server)
    rdisp/bufreftime 60

    Each server under a SID is identified with a two-digit number, such as "00" which the eval. system installs.

    The Windows Service "SAPNSP_00" is started by referencing a profile file, such as:

    ...\sapstartsrv.exe pf=...\NSP_DVEBMGS00_BUBBA1

    The "pf=" points to a profile for a specific host name (bubba1) and instance (DVEBMGS00), which contains:

    SAPGLOBALHOST = bubba1
    SAPSYSTEM = 00

    This profile properties file configures an SAP Web AS instance is shared by several sister servers associated with a SID (SAP System identifier) because all servers in a SID reference logical directory /sapmnt/SID/profile even though it's physically stored in directory /usr/sap/SID/SYS/profile. Other system-wide files for SAP (including executables and global files) are also stored the same way.

    Add to the PATH environment variablePage on this site ";C:\SAP\NSP\SYS\exe\run" so that text file program exe's (such as sappfpar.exe) can be executed from any current folder.


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Set screen Sample Environments

    An organization usually needs several environments. Here is an example:

    System name System client Server name Environment
    SF1 010 sap-dev1 Development - new programs are developed and tested here before they are transported to the QA environment
    SF2 020 sap-dev2 Prototype
    SF3 030 sap-int-1 Integration
    SF4 040 sap-qa-1 QA (QUality Assurance)
    SF5 050 sap-perf Performance
    SF6 060 sap-trng Training - used when participating in a training class.
    SF7 070 sap-prac Practice - has the same functions and transactions as the Production environment, but contains specially created data to support practice exercises for SAP training classes.
    PS0 090 Stage-1 Staging
    PS1 091 Production-1 Production
    PS2 092 Production-2 Production Fail-Over

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Set screen Configure Applications

    Transaction SPRO is the main tree for SAP application configurations.

    To run

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