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  • Server hangs sending SMTP w/ attachment

    Hello,

    I have an Exchange Server 2003 (SP2) on Server 2003.
    The sever is connection via RAS-Service to Internet. (2 NIC; 1 local IP, one offical IP). It's an virtual Server on XenServer 5.0.

    I connect to Exchange via RPC over HTTPS.

    I thought everything is working fine, but now I discovered that sending an Email with attachment to external SMTP the complete server hangs. No Ping, RDP, HTTP. XenServe shows me 100% CPU-usage but nothing going on on harddisk or network.
    Restartin the server can only be done removing the external IP before booting. Going to Exchange Manger, bounce the mail with attachment, add NIC => working fine again....

    Any ideas?

    Thanks in advance

    Bernhard

  • #2
    Re: Server hangs sending SMTP w/ attachment

    I never dual home Exchange. I see nothing but problems with it and don't recommend it. Exchange and Windows gets confused easily.

    Simon.
    --
    Simon Butler
    Exchange MVP

    Blog: http://blog.sembee.co.uk/
    More Exchange Content: http://exchange.sembee.info/
    Exchange Resources List: http://exbpa.com/
    In the UK? Hire me: http://www.sembee.co.uk/

    Sembee is a registered trademark, used here with permission.

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    • #3
      Re: Server hangs sending SMTP w/ attachment

      Hi Simon,

      what do you mean by "dual home". How can I install an Exchange Server without Windows ?!?

      Bernhard

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      • #4
        Re: Server hangs sending SMTP w/ attachment

        Originally posted by DrRamazzotti View Post
        Hi Simon,

        what do you mean by "dual home". How can I install an Exchange Server without Windows ?!?

        Bernhard
        Dual home - having the server on two networks, two network cards on seperate networks.
        You cannot have Exchange without Windows.

        Simon.
        --
        Simon Butler
        Exchange MVP

        Blog: http://blog.sembee.co.uk/
        More Exchange Content: http://exchange.sembee.info/
        Exchange Resources List: http://exbpa.com/
        In the UK? Hire me: http://www.sembee.co.uk/

        Sembee is a registered trademark, used here with permission.

        Comment


        • #5
          Re: Server hangs sending SMTP w/ attachment

          Hi Simon,

          ok this I understand. But the server is not has not "directly" the two networks...
          Through the problem of sending NetBIOS-Queries through the whole network I had to get an solution to stop this. So the external network is done via RAS-Setup, which blocks those request.

          Also in the most case the server runs very fine. Receiving EMails is no problem, and even sending except no those with an attachment, but also it sends some with attachment but others not... And still I got no rule when it sends and when not....

          Greetings
          Bernhard

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