microsoft not working with wrt54g

Discussion in 'Cisco/Linksys Wireless Routers' started by maes, Oct 6, 2004.

  1. maes

    maes Guest

    I have a very strange problem.
    It seems like my router doesn't like microsoft.
    here's the setup:
    an adsl modem connected to the wrt54g router and 1 pc running XP SP2 and linux in dual boot.

    I can't connect with msn. I always get the error: "the connection with .NET messenger has failed possibly because of a problem with the service or your internet connection. 0x81000301" (it's a translation so it might not be 100% accurate)
    What's even stranger: I can't brows any microsoft site (not, or )
    The msdn library is one of my most frequently visited sites so this is a serious problem.

    But I don't think the problem is with my windows because when I remove the route from my network and go straight to the adsl modem, everything works fine. (msn, surfing, ... )

    I enabled UPnP on the router and installed it with the add software utillity from windows. I have firmware version 2.04.4 on the router.
    I disabled the router and SP's firewall. I've put my pc in the DMZ.

    Everything else seems to be fine, I can use mediaplayer to listen to livestream, outlook, ...

    With linux: amsn works: browsing hotmail or microsoft doesn't.

    One more question does every IP address that I connect to gets logged or only the ones that get blocked?

    I hope you guys have any idea on how to correct the problem, otherwise I know one router who needs to earn how to fly real quick :D


  2. Esquire

    Esquire Mesquire Staff Member Member

    I came across something similar once. It was caused by unmatched MTU values between the router and the computer. If your computer is using the default Windows MTU value and your router is using another, maybe you can try changing the value in Windows to see if that has an effect.

    You can download a copy of DrTCP from to make changes to the MTU value on the computer to match your router's MTU value.

    Remember to reboot manually to take effect. Good luck.
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