Having DHCP server issues

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This topic contains 7 replies, has 4 voices, and was last updated by Avatar jezneedley 4 years, 5 months ago.

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    JamesA
    Member
    #165504

    I have been looking everywhere to try and find a solution to the issue that I’m having.

    I have a Windows 2008 R2 server that is currently hosting AD, DNS and DHCP as well as a printer server. I want to decommission this server, so I setup a Windows 2012 R2 server that I have installed AD, DNS and DHCP. I’m pretty sure I setup the DNS and DHCP on the new server, exactly the same as on the 2008 server. When I test the DHCP on the new server to make sure that it is handing out ips, I disable the DHCP service on the 2008 server. When I try a ipconfig /release. ipconfig /renew on my test pc. It just hangs there and eventually gives up. I enable the servie n the 2008 service and the test pc can grab an ip no problem. Over the last few hrs, the new DHCP server grabbed a couple ips. I have no idea how it’s doing this when you can’t manually grab an ip from the new dhcp server.

    What is going on, and what can I try to resolve this issue? If anyone needs clarification on the above issue or logs or anything, let me know and I would be happy to assist.

    Avatar
    wullieb1
    Moderator
    #245242

    Have you authorised and activated the scope on the new server?

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    jezneedley
    Member
    #390994

    Just migrate from 2008 to 2012 and restore backups. will be a better solution…..

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    jezneedley
    Member
    #390995

    would like to know the DHCP scopes and logs. Can you forward it?

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    wullieb1
    Moderator
    #245244
    Aditya Deo;n491336 wrote:
    Just migrate from 2008 to 2012 and restore backups. will be a better solution…..

    No it won’t.

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    jezneedley
    Member
    #390999

    Ok do one thing. Just export the DHCP from your existing 2008 server and import in newly installed server. after Import disable or delete the DHCP from you 2008 server. It will work.

    Blood
    Blood
    Moderator
    #336881

    James – post an ipconfig /all from both servers hosting DHCP and from a client. We’ll start by checking that’s OK.

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    wullieb1
    Moderator
    #245247
    Aditya Deo;n491359 wrote:
    Ok do one thing. Just export the DHCP from your existing 2008 server and import in newly installed server. after Import disable or delete the DHCP from you 2008 server. It will work.

    Still won’t work.

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