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Windows 7 Thread, DHCP service issue in Technical; Hi all. Hopefully someone has come across this and can assist. Last week was half term for us and just ...
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    DHCP service issue

    Hi all.

    Hopefully someone has come across this and can assist. Last week was half term for us and just did Windows updates, java/flash update and also updated to the latest version of Impero. Everything seemed fine on Friday (25/10), a few staff were in and no issues. But on Monday morning (28/10) there were about 9 of over 80 pcs which had dhcp issues. For some reason the service is not starting. The below are the errors in event viewer in order:

    50038 - an error occurred in initialising DHCPv4. Error Code is 0x2
    1004 - Error occurred in stopping the DHCPv4 client service. Error code is 0x2. Shutdown lag value is 0
    7023 - The DHCP client service terminated with the following error: The system cannot find the specified file

    I cant restart the service manually.

    The DC is Windows Server 2008 r2 and clients are W7 pro. I haven't been able to find much regarding this issue, from what I have found I've tried resetting tcp/ip, adding permissions to registry values, reinstalling network card/drivers. Still no luck, would greatly appreciate any help on the issue. Thank you.

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    Have you load running process mon on the server to see what file the dhcp process is failing to find - might give you a clue. My first thought is that the DHCP database might be the issue.

    Meldrew

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    Thanks for the advice Meldrew. After trying a number of fixes I started to believe the anti-virus software Kapersky was causing the issue, I disabled it but still no luck. I then found out from the Kapersky website that it indeed had caused the issue:

    "On Friday, October 25, 2013, Kaspersky Lab has released anti-virus databases, which was mistakenly added detection system file tcpip.sys. This anti-virus databases detected as a malicious file tcpip.sys in Kaspersky Anti-Virus 6.0 for Windows
    Workstations
    running under Windows 7 Service Pack 1 (32-bit), put the file in Quarantine and delete the registry keys that refer to the file."

    They have provided a fix, which can be found at : False detection on file tcpip.sys at October 25, 2013

    I applied the fix and the issue had been resolved.

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    Nice Job Kaspersky.. That could potentialy have costs very large sums of money for downtime.

    Rob

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