[IT Admins] Please help me with my DHCP server!!

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Hello all,

I have posted this question in the windows section, but I think I might get a better response in here, so here goes.....

I work for a company that has two sites. We currently have 2 DC on each site. One of my DCs is working great for a print, DNS, DHCP and AD server.

I have recently decided to use the 2nd DC as a backup in case the 1st dies.

I have managed to migrate the printers, DNS and AD without issues but I'm struggling with the DHCP server.

When I installed the DHCP service and started it for the first time, I create a scope (different to the 1st) and configured the network settings without issue.

My problem is that I can’t seem to get it authorized so it's not dishing out addresses.

I clicked on tools and then authorized but no matter how long I wait (or how many reboots I give it) it still won't show as authorized.

If I click on tools again I can see that the authorized button has changed to unauthorized and if I remote on to the other DHCP servers and right click DHCP on the top of the tree and open the 'manage authorized servers' button I can see that all the other DHCP servers are seeing my 2nd as a listed authorized server.

But still my 2nd server is still showing the 'Authorize DHCP server' error in the right hand window pane.

Can anyone help a chap out and shed any light on what I've done wrong or need to configure to get this working??

Thanking you in advance!
 
Woops, should have given more detail..... sorry.

Yes, the server in question is running windows 2003 std edition.
Yes, the server is a active DC

I have already read through the link you have provided (thanks anyway).

It seems, that all the other DHCP servers can see my new one as a authorised server but my new server it's self can't.

:(
 
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