Event ID 1046 — DHCP General Availability

Applies To: Windows Server 2008

General availability of the Dynamic Host Configuration Protocol (DHCP) server refers to its ability to service clients. General availability depends on:

  • Proper authorization of the DHCP server
  • Presence of Active Directory Domain Services
  • Successful loading of the DHCP dynamic-link libraries (DLLs)

Event Details

Product: Windows Operating System
ID: 1046
Source: Microsoft-Windows-DHCP-Server
Version: 6.0
Message: The DHCP/BINL service on the local computer, belonging to the Windows Administrative domain %2, has determined that it is not authorized to start. It has stopped servicing clients. The following are some possible reasons for this:
%tThis machine is part of a directory service enterprise and is not authorized in the same domain. (See help on the DHCP Service Management Tool for additional information).

%tThis computer cannot reach its directory service enterprise and it has encountered another DHCP service on the network belonging to a directory service enterprise on which the local computer is not authorized.

%tSome unexpected network error occurred.


Authorize the DHCP server

You must be logged on as an administrator or belong to the Administrators group to complete these steps.

To authorize a DHCP server in Active Directory Domain Services:

  1. At the DHCP server computer, click Start, point to Administrative Tools, and then click DHCP.
  2. In the console tree, click DHCP.
  3. On the Action menu, click Manage authorized servers.
  4. The Manage Authorized Servers dialog box appears. Click Authorize.
  5. When prompted, type the name or IP address of the DHCP server to be authorized, and then click OK.


To verify that clients are getting leased IP addresses from the DHCP server:

  1. At the DHCP-enabled client computer, click Start, in Start Search type cmd, and then press ENTER.
  2. To verify the lease of the client with a DHCP server, type ipconfig /all to view lease-status information.
  3. If the client has a validly leased IP address, the ipconfig /all command displays a date and time for Lease Obtained and Lease Expires.

DHCP General Availability

DHCP Infrastructure