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2003 Server - cannot ping to or from it

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  • 2003 Server - cannot ping to or from it

    Hello,

    Got a 2003 server. We cannot ping it. We cannot ping from it.

    However, MAC address will show up on the server or host PC's when you do a arp -a. If you run a ip scan on the network from a host PC, the server is listed by IP and MAC.

    We've fitted a freshly defaulted switch, plugged in server and it cannot ping the switch (just assigned a management IP to it).
    We plugged another PC into the switch and that will ping the switch, but not the server.

    No changes were made to server or network. Just wasn't working at start of week.


    Troubleshooting:

    Reboots galore of server (of course!)
    Replaced cables
    Tried another switch port
    Tried another switch off the network (no VLAN's, ACL's or anything, just a mgmt IP)
    Subnet and mask are correct on all devices
    Removed NIC from Windows, re-detected and re-IP'd
    Tried another IP address
    Winsock resets
    Problem is not caused by a recent Windows update
    Fitted another NIC and disabled the old one
    It can ping it's own IP and 127.0.0.1
    Firewall is disabled

    If anyone has any great ideas they would be most welcomed.


  • #2
    What is a freshly defaulted switch?

    Replace the NIC with a different one.

    Comment


    • #3
      Anything that might have changed (I know you said "no changes were made", but clearly something has)?
      Patches to server?
      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
        Restart also does not work?

        Comment


        • #5
          Have you checked the connection from the wall socket to the patch panel/switch (assuming it is not plugged directly into a switch).
          A recent poll suggests that 6 out of 7 dwarfs are not happy

          Comment


          • #6
            Me and my colleague still couldn't work out what the hell is going on, so we had to transfer some data via a USB drive. We've de-commissioned it as it's an old server, but if anyone does have any solutions as we hate to be beaten by these things.


            What is a freshly defaulted switch? - One that I had just factory defaulted to wipe any config that was on there.

            Replace the NIC with a different one. - We have. 2 in fact.

            Patches to server? - No, all Windows updates were applied long ago. No-one had been on it to make any changes.

            Restart also does not work? - Er, no

            Have you checked the connection from the wall socket to the patch panel/switch (assuming it is not plugged directly into a switch). - patch panel has been bypassed and it goes direct to another switch which is confirmed on the correct subnet. It won't ping a thing, altough the MAC address will show up on the switch.

            A recent poll suggests that 6 out of 7 dwarfs are not happy - Very good.

            Comment

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