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Autoconfiguration Enabled

Posted on 2004-10-29
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Last Modified: 2011-08-18
I have a computer that had massive amounts of popups. I ran a program from lava soft which removed them all. Now I can't get connected to the network. When I run from cmd prompt ipconfig /all I have autoconfiguration enabled and I can't do a release, renew. Is there someway to disable this so that I can once again get to the DHCP server? I hate to reimage this PC I'd really like to know what to do in this instance because I'm afraid with all the popup ads out there I'll be reimaging until the world ends. Thanks a bunch
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Question by:Toninmd
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    Expert Comment

    by:NetworkArchitek
    Hi Toninmd,
    What error do you get when you do a "ipconfig /renew" ?

    Cheers!
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    Author Comment

    by:Toninmd
    All adapters bound to DHCP do not have DHCP addresses. The addresses were automatically configured and can not be released.
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    LVL 9

    Expert Comment

    by:SirtenKen
    http://www.petri.co.il/disable_apipa_in_windows_2000_xp_2003.htm
    shows the reg entry for disabling Automatic Private IP addressing.
    it is under HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Tcpip\Parameters\Interfaces\adapter_name

    To fix your problem, though, I recommend reinstalling your TCP/IP protocol.
    Reinstall of TCP/IP using the nettcpip.inf file (usually located in the c:\windows\inf directory) is covered by:
    http://www.experts-exchange.com/Operating_Systems/WinXP/Q_20966809.html

    If no joy, run "sfc /scannow" from a command line (have your xp disk on hand).
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    Expert Comment

    by:cmsJustin
    It's probably corrupt, Ad-Aware can damage programs sometimes when it cleans.
    Try uninstalling TCP/IP, restart your computer, and then reinstalling it.
    Maybe do the driver for the NIC at the same time while your at it.

    Make sure you have the driver on your hard disk and the Windows CD before you uninstall them.

    I had a similar problem when I copied a partition that was in use, the tcp/ip driver became corrupt.

    -Justin
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    LVL 2

    Expert Comment

    by:virtuoso1
    You may have a corrupted TCP/IP stack.  If that is the case, there is a command that resets it and is sometimes successful:

    Open a command prompt window and type:

    netsh int ip reset c:\logfile.txt (c:\logfile.txt being the location of the logfile that is written after the tcp/ip stack is reset)

    Two keys will be rewritten:

    HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Tcpip\Parameters and HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\DHCP\Parameters

    I have seen the automatic private ip address in use when adware/spyware has hyjacked a machine.  Try removing as much as possible using Hyjackthis, and Spysweeper, which can be found:  http://www.spychecker.com -- under download antispy tools.  Get as much as possible, then do a system restore to an earlier date.  Also, spyware can hyjack your machine, and if you try to forcefully remove it without uninstalling it in add/remove programs, can corrupt your TCP/IP stack beyond repair.

    If this doesnt work, you can do an in place upgrade without "reimaging."  Boot to the windows os cdrom, such as xp.  What OS are you running?  Assuming its XP, select the option to install windows xp, accept the liscence, then run a repair on the partition.  After the in place upgrade is finish, make when you boot up that you enable ICF, if this is on xp.  Make sure you have a firewall up on other OS's.  Then immediately run all of the critical updates for windows xp.





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    Author Comment

    by:Toninmd
    I forgot to say, this is a Windows 2000 system
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    Accepted Solution

    by:
    Sounds like you winsock.

    Follow this link.

    http://www.softpedia.com/public/cat/13/9/13-9-161.shtml

    This ones for XP, but, it's worth a try.

    Alternately, you may follow these steps to rebuild your Winsock manually:
    1) Go to Control Panel | Internet Options | Connections | LAN Settings and clear all of the boxes.
    2) Re-create the Winsock2 registry entries:
    a. Un-install ICS (if installed).
    b. Un-install Dial-Up Networking. Do NOT reboot.
    c. Delete registry key HLM\System\CurrentControlSet\Services\Winsock2
    d. Re-install Dial-Up Networking. Reboot.
    e. Re-install ICS (if desired).

    A new command to repair this Winsock corruption problem is also available for users of Windows XP who have Service Pack 2 installed:

    1) click Start, click Run and type CMD and click OK.
    2) At the command prompt type: netsh winsock reset catalog (and press Enter)
    3) At the command prompt type: Exit (and press Enter)
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    LVL 6

    Expert Comment

    by:vand
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    Author Comment

    by:Toninmd
    Thank you so much Vand. Downloading that winsock program did the trick. WOOHOO!!
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