Friday, 4 October 2013

Windows Server 2008 R2 DHCP problem "The parameter is incorrect"

A few weeks ago I was decommissioning a domain controller which had the DHCP server role installed. When I tried to unauthorize the server I received the following error:

"The parameter is incorrect"

  • I verified that the server was authorized in Active Directory
  • I verified that I had sufficient rights to unauthorize the server

These are the steps that solved the problem:
  1. Stop DHCP service
  2. Delete the DHCP server object from the DHCP console
  3. Re-add the DHCP server to the DHCP console
  4. Start the DHCP service
  5. Try again to unauthorize the DHCP server

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