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Clients on our network recently started receiving this error when attemping to acquire an IP Address from our DHCP Server:

"the name specified in the network control block (ncb) is in use on a remote adapter"

The DHCP Server is a Windows Server 2008 R2 machine, most of the client are Win 7.

Can't find much on that error, anyone have an idea what could cause it?

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3 Answers

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Two things to check

  • Do you have conflict resolution turned on for the DHCP server?
  • Is the DHCP server registered in AD
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Try reconciling dhcp server (right click scope node, snd click "Reconcile"). Finish wizard, and try renewing ip on the computer having the issue.

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This issue happen to us after migrating from 2k3 to a 2k8 DHCP server due to a stale dns ptr record with the old DHCP server. Make sure your DNS is clean after a migration!

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