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Message server?

Hi SAP Experts,

My sap system is only one instance. In the configure of SAP Logon, only IP, sid, instantce number is needed as follows:

My question is:

1) When I logon system using this configure, sapgui also communicate with message server first? sapgui also use port 3600 of sap server?

2) If I want to use messager-server configure in sap logon, what I should do?

Thanks

Best Regards

Shuai.zhongwei

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  • Best Answer
    Posted on Dec 14, 2015 at 02:24 PM

    Hi Shuai,

    Yes, The application servers communicate with the presentation components, the database, and also with each other, using the message server.

    Please find the below link for your reference which will help you to get more details

    Application Servers - BC - ABAP Programming - SAP Library

    2) If I want to use messager-server configure in sap logon, what I should do?

    please follow the below link which will help to understand and configure logon load balancing group

    https://help.sap.com/saphelp_nw70/helpdata/en/c4/3a644c505211d189550000e829fbbd/content.htm

    In short:

    Activities at SAP application

    -Create a logon group - Tcode SMLG

    -Enter the instance name and save

    Activities at OS level

    - Ensure that services file(C:\windows\system32\etc\drivers\services) hold this entry for SAP server e.g DEV

    sapmsDEV 3601/tcp ## Here instance number for SAP system is 01

    -Never forget to hit enter after this entry.

    Activities at SAP GUI

    - Select connection type "Group/Server selection"

    - Maintain all required details SID, Message server IP/Hostname

    I hope this helps you 😊

    Br,

    Best Friend


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