Event ID 1018 — DHCP Client IPv6 Availability

Applies To: Windows Server 2008 R2

Dynamic Host Configuration Protocol (DHCP) can lease both Internet Protocol version 4 (IPv4) and Internet Protocol version 6 (IPv6) addresses. If IPv6 is not available, the DHCP service uses IPv4 only.

Event Details

Product: Windows Operating System
ID: 1018
Source: Microsoft-Windows-DHCP-Client
Version: 6.1
Message: DHCPv6 initialization has failed on the computer with the error code specified. DHCP service will start with IPv4 only.


Reconfigure TCP/IPv6

TCP/IPv6 might be misconfigured.

To diagnose and repair the TCP/IP configuration:

  1. Click Start, right-click Network, and then click Properties.
  2. Under Tasks, click Manage Network Connections.
  3. Right-click the interface you want to repair, and then click Diagnose.
  4. This will diagnose and repair any configuration issues.


To verify that the DHCP client has an IPv6 address assigned to it:

  1. At the DHCP-enabled client computer, click Start, in Start Search type cmd, and then press ENTER.
  2. To verify a DHCP client lease, type ipconfig /all to view lease-status information.
  3. The output of the ipconfig command should show an IPv6 address marked "preferred."

DHCP Client IPv6 Availability

DHCP Infrastructure