Tcpip Warning in Event Viewer/System

By hikerbear
Jun 9, 2008
  1. Hi All;

    From time to time on my XP Home SP2 machine I get a "TCP/IP has reached the security limit imposed on the number of concurrent TCP connect attempts." warning.

    I've read the MS Help and Support info, do not have a virus or malware as was suggested in the article and I tried the cmd line: netstat -no proceedure to no avail.

    It's not the end of the world and my dsl has no other issues.

    I can live with it, but wonder you know of a work-around.

    Certainly appreciate any help.
  2. jobeard

    jobeard TS Ambassador Posts: 9,143   +595

    Concurrent Session usually are found in your browser or a Torrent client application.
    Limits on them are imposed to ensure your system does not drown and lockup due
    to excessive connections from ONE application.

    Reaching the limit is non-fatal; ie the programs should continue.
  3. tipstir

    tipstir TS Ambassador Posts: 2,383   +105

    Microsoft has place TCP Limiter on XP SP2, SP3 and all Vista versions too. To fix this problem, you need to look into XP SP2 TCP Fixer here:

  4. hikerbear

    hikerbear TS Rookie Topic Starter Posts: 35

    Thank you, both.

    I agree with both.
    The patch was originally suggested to me by a Microsoft support person and it helps a bit, BUT- don't run sfc /scannow after installing the patch as it will rewrite it with the XP SP2 limitation.
    Found that out today :rolleyes:
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