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I have a Hyper-V Failover Cluster running using manually-configured IP addresses. On this cluster, among other machines, I have two Server 2008 R2 Enterprise Machines running failover cluster, intended for use in clustering file services. The 2 Cluster Host machines for the file server receive their IP addresses properly through DHCP. However, the cluster is NOT able to receive an IP through DHCP.

I find the following error in the cluster log:

Event ID 1240: Cluster IP address resource 'Cluster IP Address' failed to obtain a leased address.

What might be causing this problem? How can I resolve it?

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  • Some more info to help: The DHCP server is running on a different network, but is assigning the addresses for the new failover cluster nodes properly. Also, when other Hyper-V guests are created and attached to this same network, PXE boots don't work with a DHCP error, however, if the operating system is already installed they are able to obtain an ip address lease from the DHCP server.
    – Ryan H
    Nov 22, 2010 at 21:56

1 Answer 1

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Firstly what do you mean by "properly through DHCP"? it's generally a bad idea to use DHCP for servers

Secondly it's a really bad idea to use DHCP for cluster VIPs.

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  • I mean that the interfaces on the two clustered machines get addresses assigned to them as I would expect by my DHCP server, and that I can see them in the DHCP server leases.
    – Ryan H
    Nov 23, 2010 at 19:59
  • Would you care to expand on why its a bad idea to use DHCP for cluster VIPs?
    – Ryan H
    Nov 23, 2010 at 20:00
  • Just do some searching on here for dhcp to see the strength of feeling against using dhcp for servers in general let alone vips.
    – Chopper3
    Nov 23, 2010 at 20:34

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