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DHCP SERVER 2008 R2

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    Hi,

    I am using Server 2008 R2 multihomed DHCP Server which is a IPv4 DHCP.

    The problem is IPv6 DHCP is also servicing DHCP clients on my network which is giving out different range of my scope that is causing my DHCP clients not communicating my the server.

    Event ID is 10020

    I tried commands below but cannot solve I even untick IPv6 in the network adapters.

               netsh winsock reset

              netsh winsock reset catalog

              ipconfig /flushdns

              ipconfig /release

              ipconfig /renew

              netsh int ip stop

              netsh int ip start

    Thanks.

     
    • Moved by Richard MuellerMVP Wednesday, September 18, 2013 12:21 AM Not a "TechNet Wiki Discussion" question
    Tuesday, September 17, 2013 10:31 PM
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    This forum is for questions and discussions about the TechNet Wiki. I will move this question to a more appropriate forum.

    Richard Mueller - MVP Directory Services

    Wednesday, September 18, 2013 12:20 AM
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    Hi,

    Based on my research, DHCP can lease both IPv4 and IPv6 addresses. If IPv6 is not available, the DHCP service uses IPv4 only.

    I recommend you run “sc queryex dhcp” at the command prompt to see if the DHCPv6 Server service is running or not.

    More information:

    Event ID 10020 — DHCPv6 Server Service

    http://technet.microsoft.com/en-us/library/dd380299(v=WS.10).aspx

    Best regards,

    Susie

    Wednesday, September 18, 2013 2:51 PM
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