Why network service restart throws the error "some other host already uses address X.X.X.X" ?

Solution Verified - Updated -


  • Getting the following error while restarting network service.

    host1 ifup:Error, some other host already uses address x.x.x.x 
  • Servers won't rejoin network after reboot. There are no other host in the network with the same IP.

  • Network will not start after reboot, says IP address in use


  • Red Hat Enterprise Linux 5, 6 and 7
  • Network Devices such as Cisco ASA (Adaptive Security Appliance )

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