Re: [ActiveDir] OT: DHCP Cluster

Fri, 23 Jun 2006 06:29:58 -0700

IIRC, the reason it's different on the cluster is that there were a lot of changes between 2000 and 2003 DHCP. The DB's are not compatible/interchangeable.
 
http://www.microsoft.com/technet/prodtechnol/windowsserver2003/technologies/clustering/rllupnet.mspx
 
 
 
DHCP is not supported during rolling upgrades. You must follow the below instructions during rolling upgrade for DHCP resource.

1.

Confirm that your systems are running Windows 2000 and right Service packs if there is any.

2.

Move DHCP resource to a single node by double clicking the Groups folder in Cluster Administrator's console tree. Click the group that contains the resource and then in the File menu, click Move Group.

3.

Upgrade the operating system on each of the nodes that is not hosting the DHCP resource moved in the previous step.

4.

Move the DHCP resource that you moved in the earlier steps from the node that has not been upgraded to one of the newly upgraded nodes.

Notes:

•

After the upgrade, the DHCP resource can not failback to the Windows 2000 node.

•

Following the procedure as described above will typically give you the highest availability of the resources that do not support rolling upgrades.



On 6/22/06, Bahta, Nathaniel V CTR USAF NASIC/SCNA <[EMAIL PROTECTED]> wrote:
I will look into it.  I was under the impression that it was a upgrade
of the OS, but reading further it is actually a fresh install of the OS.
I guess I took the word Upgrade in the wrong context.

Thanks,
Nate

-----Original Message-----
From: [EMAIL PROTECTED]
[mailto: [EMAIL PROTECTED]] On Behalf Of Bernier,
Brandon (.)
Sent: Thursday, June 22, 2006 10:57 AM
To: [email protected]
Subject: RE: [ActiveDir] OT: DHCP Cluster

Can you do a rolling upgrade? Meaning evict one node from the cluster,
reload it with 2K3 and put DHCP back on then add it back into the
cluster and do the other node. I've done this with SQL many times, but I
forgot what changed from W2K to W2k3 for DHCP..I don't remember anything
mind blowing, but I'd look into anyways.

-Brandon


-----Original Message-----
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] ] On Behalf Of Bahta,
Nathaniel V CTR USAF NASIC/SCNA
Sent: Thursday, June 22, 2006 10:03 AM
To: [email protected]
Subject: [ActiveDir] OT: DHCP Cluster

Anybody know any good knowledgebase articles or resources for migrating
a 2000 DHCP cluster to a 2003 DHCP cluster?

I would appreciate the information/links.

Thanks,
Nate
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