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  • error message at logon to domain

    Dear Friends I hope you can help he ASAP

    2 days ago every user try to logon to domain from any xp machine an error message appears to him says Duplicate name exists on network

    I tried every thing i know changed logon as administrator and remove from domain delete the computer record in DNS and computer account the change machine name and rejoined it the same message appears

    Install a new xp on my machine join it to domain and then the message appears to me

    I scaned my DC with Kaspersky and checked my repliation all sounds good

    Please help

    it drive me crazy

  • #2
    Re: PLZ HELP ,An error message at logon to [email protected]@@@@@

    Does logon work from any other machines (not XP)?
    Have you checked for rogue DHCP servers or anything else that might be generating a duplicate name (mothballed server reinstated, for example)?

    Did you (or anyone else) make any changes 2 days ago that might have caused this?

    Tell us more about your infrastructure (how many DCs, sites etc)

    Anything in event logs on DCs and on clients?
    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 **

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    • #3
      Re: PLZ HELP ,An error message at logon to [email protected]@@@@@

      Try deleting the WINS entries, if they exist, for the affected computers.

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      • #4
        Re: PLZ HELP ,An error message at logon to [email protected]@@@@@

        Thank you my friends for your reply

        we have 2 DC ,1 Exchange 2007 and ISA2006

        we have no WINS server

        DHCP is working normaly

        any windows 7 or vista can logon normaly only xp machines have the error message any nobady can logon to domain

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        • #5
          Re: PLZ HELP ,An error message at logon to [email protected]@@@@@

          remove the machine from the domain.
          reboot
          rename it.
          reboot.
          go into DNS console, delete both the A record and the PTR records.

          rejoin the domain with the new name.
          You should be ok now

          if you're still having issues, please try and paste us the full and complete error message?
          Please do show your appreciation to those who assist you by leaving Rep Point https://www.petri.com/forums/core/im.../icon_beer.gif

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          • #6
            Re: PLZ HELP ,An error message at logon to [email protected]@@@@@

            Note: this is not an appropriate title for a thread:
            PLZ HELP ,An error message at logon to [email protected]@@@@@
            ** Remember to give credit where credit is due and leave reputation points where appropriate **

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            • #7
              Re: PLZ HELP ,An error message at logon to [email protected]@@@@@

              Thank you all
              It is amazing. after seeing the DHCP especially the VLan that has the problem I found something very strange .In this vlan ( to be more specific to XP devices that belonge to the corrupted Vlan ) I found corrupted ip address released to XP devices ( only XP devices !!!!!!!) so i delete the DHCP for this scope and reconfigure it again. Now it is working well.

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