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unable to logon to SAP-no buffer space

Dear basis experts,

Pls help with the below issue,

unable to logon to the SAP with no buffer space issue

Regards,

Nazi

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3 Answers

  • Jun 21, 2013 at 08:43 AM

    Hi,

    Please review your settings according the note 990538. These options should allow the operating
    system to allocate more memory for its internal structures and avoid
    "10055 - no buffer space" errors.

    The error '10055: WSAENOBUFS: No buffer space available' is as you

    discovered when the system has not enough memory or other system

    resources to open a new TCP/IP socket or to handle socket data.

    Please see Microsoft Article 196271.

    Regards,

    Aidan

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  • Jun 21, 2013 at 08:52 AM

    Hi Nasi,

    As suggested by Adian please follow the note 990538

    As temporary workaround for 32-bit systems, you can adjust the Windows memory parameters in C:\boot.ini (http://www.sysinternals.com/Information/bootini.html). By adding a "/3GB" option, Windows provides 3 GB user address space to 3 GB enabled processes (like jlaunch.exe):

    [boot loader]

    timeout=30

    default=multi(0)disk(0)rdisk(0)partition(1)\WINDOWS

    [operating systems]

    multi(0)disk(0)rdisk(0)partition(1)\WINDOWS="Windows Server 2003, Enterprise" /noexecute=optout /fastdetect /3GB

    However, this workaround reduces system resource. Some customers already run into TCP/IP stack problems resulting in WSAENOBUFS / 10055 / "No buffer space avail-able" errors and had to reduce the 3 GB address space with the /USERVA boot.ini switch in addition to /3GB (e.g. /USERVA=2900). Furthermore, you should not use /3GB on Windows Server 2000 systems due to known OS limitations. Instead, upgrade to XP or Windows 2003 first.

    Best Regards

    Marius

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  • Jun 21, 2013 at 12:22 PM

    Hi Nazi

    Presently the SAPGUI version 7.10 & 7.20 is out of support better you can upgrade the to sapguiĀ  7.30 with latest patch and then try

    Thanks

    Sriram

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