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  • Problem in connecting to DHCP server

    Hello,

    I have a LAN (workgroup) of about 40 computers running Windows Xp and Windows 2003 server on 4 computers.

    1. DHCP, NAT is configured on one server.
    2. Another is simply a file server.
    3. Another is SQL server.
    4. And last one is Web server.

    I have internet connectivity through a leased line direct from ISP. We use DNS server of ISP. I have a problem with connectivity, i.e., when a client machine starts in the morning it needs to REPAIR the LAN connection to get connected to the server, so that it can use the internet. Other servers remain connected i.e., we can share files and folders from other server etc. Only internet remains unavailabe, when we REPAIR or 'Disable or Enable' the connection, then only the client machines get connected to the internet. We are using the same setup far last two years and we were not having any problem prior. The problem is only from 15 or 20 days. Please help


    Thanks
    Last edited by yahyaqazi; 22nd August 2006, 12:51.

  • #2
    Re: Problem in connecting to DHCP server

    How are you running 40 XP machines in a Workgroup? 10 is the maximum. (Maybe it is my eyes again)
    1 1 was a racehorse.
    2 2 was 1 2.
    1 1 1 1 race 1 day,
    2 2 1 1 2

    Comment


    • #3
      Re: Problem in connecting to DHCP server

      Originally posted by biggles77
      How are you running 40 XP machines in a Workgroup? 10 is the maximum. (Maybe it is my eyes again)
      Isnt that a recommendation rather than an absolute limit?

      Tom
      Tom Jones
      MCT, MCSE (2000:Security & 2003), MCSA:Security & Messaging, MCDBA, MCDST, MCITP(EA, EMA, SA, EDA, ES, CS), MCTS, MCP, Sec+
      PhD, MSc, FIAP, MIITT
      IT Trainer / Consultant
      Ossian Ltd
      Scotland

      ** Remember to give credit where credit is due and leave reputation points where appropriate **

      Comment


      • #4
        Re: Problem in connecting to DHCP server

        Originally posted by Ossian
        Isnt that a recommendation rather than an absolute limit?

        Tom
        I Agree.
        There is no absolute limit in a workgroup. AFAIK there is not even a real recommodation from microsoft what the limit is. However, a Domain setup is more secure and easier to manage. And you have a maximum of 10 concurrent connections when accessing shares from a client, not a server.

        About the problem: I would start replacing that nic and cabling. In my eyes it sounds like he's dying
        Marcel
        Technical Consultant
        Netherlands
        http://www.phetios.com
        http://blog.nessus.nl

        MCITP(EA, SA), MCSA/E 2003:Security, CCNA, SNAF, DCUCI, CCSA/E/E+ (R60), VCP4/5, NCDA, NCIE - SAN, NCIE - BR, EMCPE
        "No matter how secure, there is always the human factor."

        "Enjoy life today, tomorrow may never come."
        "If you're going through hell, keep going. ~Winston Churchill"

        Comment


        • #5
          Re: Problem in connecting to DHCP server

          Mmm, old brain as well as old eyes. The 10 Max is for XPs only in a Workgroup (as in an XP machine will only be able to accept 10 connections). This doesn't apply since they are accessing a Windows 2003 File Server and it will have 40 CALs.

          Try rebooting your DHCP.
          Check the DHCP and see if you have a lease problem.
          Check to see if you have been penetrated from outside the workgroup.
          Check the servers for unrecognised folders or files.
          Check for virus.
          Check for spy/malware.
          1 1 was a racehorse.
          2 2 was 1 2.
          1 1 1 1 race 1 day,
          2 2 1 1 2

          Comment


          • #6
            Re: Problem in connecting to DHCP server

            still I m facing the same problem. I tried the following prescribed things.

            Reboot DHCP
            Scanned for Virus or spyware's
            checked the Lease for the clients. Lease is unlimited for all the users.


            but still not getting problem solved.

            Comment


            • #7
              Re: Problem in connecting to DHCP server

              Originally posted by yahyaqazi
              Lease is unlimited for all the users.
              How about putting a limit on the leases? Like 8 days or 4 days. It's possible that this could account for the issues you're having.
              Regards,
              Jeremy

              Network Consultant/Engineer
              Baltimore - Washington area and beyond
              www.gma-cpa.com

              Comment


              • #8
                Re: Problem in connecting to DHCP server

                Originally posted by Dumber
                About the problem: I would start replacing that nic and cabling.

                This is the only options which I still not checked. May be this will rectify the problem.


                Thankyou everyone for valuabe suggestions.

                Comment


                • #9
                  Re: Problem in connecting to DHCP server

                  Originally posted by Dumber
                  About the problem: I would start replacing that nic and cabling.


                  Thanx Dumber, you solved my problem. thanx once again

                  Comment


                  • #10
                    Re: Problem in connecting to DHCP server

                    Originally posted by yahyaqazi
                    Thanx Dumber, you solved my problem. thanx once again
                    you're welcome.
                    Marcel
                    Technical Consultant
                    Netherlands
                    http://www.phetios.com
                    http://blog.nessus.nl

                    MCITP(EA, SA), MCSA/E 2003:Security, CCNA, SNAF, DCUCI, CCSA/E/E+ (R60), VCP4/5, NCDA, NCIE - SAN, NCIE - BR, EMCPE
                    "No matter how secure, there is always the human factor."

                    "Enjoy life today, tomorrow may never come."
                    "If you're going through hell, keep going. ~Winston Churchill"

                    Comment

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