Windows 10: ip address is in use on another machine?? hibernate resume problem?

  1.    07 Dec 2015 #1

    ip address is in use on another machine?? hibernate resume problem?


    I went to see my daughter and after she resumed her computer from hibernate (it had been off for about 2 days) a message popped up saying its ip address had been detected in use by another computer.

    I suspect it was my cell phone that when in range asked for an ip address and the router, thinking the hibernated laptop wasn't using that ip address any longer gave it to my cell phone. Then after her system resumed from hibernate, it continued to use the ip address it had when it hibernated.


    Does anyone know if this can happen? Does windows renew its dhcp ip lease on resume? Can it tell if the lease expired?
      My ComputerSystem Spec

  2.    07 Dec 2015 #2

    Hi there Rocket 77, and welcome to TenForums.

    rocket777 said: View Post
    I went to see my daughter and after she resumed her computer from hibernate (it had been off for about 2 days) a message popped up saying its ip address had been detected in use by another computer.

    I suspect it was my cell phone that when in range asked for an ip address and the router, thinking the hibernated laptop wasn't using that ip address any longer gave it to my cell phone. Then after her system resumed from hibernate, it continued to use the ip address it had when it hibernated.

    Does anyone know if this can happen? Does windows renew its dhcp ip lease on resume? Can it tell if the lease expired?


    Yes this can happen, and it still does happen from time to time. Essentially windows stores all the running information when it enters hibernation, and then picks up that same information when it resumes.

    A very quick way to reset the DHCP, if its not automatically resolved.

    Start > Type "CMD" > Open the Command console

    In the console, type in "ipconfig /renew"

    This will clear your stored connection profile, then request a new IP from the DHCP server!

    If you have any further issues, or this does not work please let me know!
      My ComputerSystem Spec


  3. Posts : 2,424
    Ubuntu14.04x64 MintMate17x64 Win10Prox64
       07 Dec 2015 #3

    For Home Networking. It is advisable to assign a static LAN IP in the router for every device in the house to avoid such IP conflict.
      My ComputerSystem Spec

  4.    07 Dec 2015 #4

    topgundcp said: View Post
    For Home Networking. It is advisable to assign a static LAN IP in the router for every device in the house to avoid such IP conflict.
    I agree it helps if all IP addresses are fixed, but it should be done in the router, by linking each MAC to an IP.
      My ComputerSystem Spec


 

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