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Delete Reserved IP's for old computer

Răspuns Delete Reserved IP's for old computer

  • 22 iunie 2012 10:52
     
     
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    We reserve IP for some computers in the DHCP server in our environment, but now the issue is that, some of this PC's are retired or are no longer in use. So is there away in that when this reserved IP's are no longer used for especific period of time, they should as well be deleted. Windows 2008 R2

     

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  • 22 iunie 2012 11:09
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    There is no such in-built functionality in DHCP to delete the unused IP by itself. You need to either edit the scope of the dhcp for the reserved IP address pool or lower the reserve IP range in the DHCP server.

    Awinish Vishwakarma - MVP - Directory Services

    My Blog: awinish.wordpress.com

    Disclaimer This posting is provided AS-IS with no warranties/guarantees and confers no rights.

     
  • 22 iunie 2012 11:17
     
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    See this

    Delete old / inactive DHCP reservation
    http://social.technet.microsoft.com/Forums/en-US/winserverNIS/thread/992f241a-65f3-4a73-becc-f23ed409d48a

    Hope this helps

    Best Regards,

    Sandesh Dubey.

    MCSE|MCSA:Messaging|MCTS|MCITP:Enterprise Adminitrator | My Blog

    Disclaimer: This posting is provided "AS IS" with no warranties or guarantees , and confers no rights.

     
  • 22 iunie 2012 12:00
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    This sounds like an easy thing to script, but thinking it through... how do you decide when an ip address is no longer in use?  There are settings that make this very difficult and a lot of thought and work need to go into it.

    There are some helpful tips for you in this blog as well as scripts to manage DHCP.
    http://blogs.technet.com/b/teamdhcp/archive/2006/09/19/457383.aspx

    Also I would suggest in the future, to pose this type of question in the networking forum
    http://social.technet.microsoft.com/Forums/en-US/winserverPN/threads

    --
    Paul Bergson
    MVP - Directory Services
    MCITP: Enterprise Administrator
    MCTS, MCT, MCSE, MCSA, Security+, BS CSci
    2008, Vista, 2003, 2000 (Early Achiever), NT4
    http://blogs.dirteam.com/blogs/paulbergson  Twitter @pbbergs
    Please no e-mails, any questions should be posted in the NewsGroup. This posting is provided "AS IS" with no warranties, and confers no rights.

     
  • 22 iunie 2012 12:45
     
     
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    Thanks for reply,

    Is it possible the DHCP realize when the computer objects that have reserved ip on DHCP are disable?

     
  • 22 iunie 2012 12:51
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    As per my understanding No, there is no such in-built method.

    Awinish Vishwakarma - MVP - Directory Services

    My Blog: awinish.wordpress.com

    Disclaimer This posting is provided AS-IS with no warranties/guarantees and confers no rights.

     
  • 22 iunie 2012 13:51
     
     
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    Thanks for reply,

    Is it possible the DHCP realize when the computer objects that have reserved ip on DHCP are disable?

    Hello,

    no, this is not possible the DHCP request is based on client machines and the DHCP server only reacts on the broadcast from the client. But the DHCP server is not able to realize if clients are not broadcasting anymore.

    Best regards

    Meinolf Weber
    MVP, MCP, MCTS
    Microsoft MVP - Directory Services
    My Blog: http://msmvps.com/blogs/mweber/

    Disclaimer: This posting is provided AS IS with no warranties or guarantees and confers no rights.