Re: DHCP issue

In news:0e5bbb3b-3956-45b8-87e9-2f235a7e69e2@xxxxxxxxxxxxxxxxxxxxxxxxxxxx,
john <johnbahran@xxxxxxxxxxx> requesting assistance, typed the following:
I am running win2k3 with 2 NICs. I have a Comcast modem connected to
the internet. My problem is that the connection to the LAN cannot get
any private addressing. It is just frozen on Acquiring Network
Address. I have unistalled and the installed DHCP, put a new NIC, new
switch, new cable, but LAN just cannot get any addresses. Any ideas?
Thanks.


Hello John,

You've already heard some of the issues and nuances about DHCP and multihomed servers from Phillip and KJ.

What I am curious about is your network's configuration. Can you respond to the following questions? This will help to better understand what you have running and where the issue may lie.

1. An unedited "ipconfig /all" from the server
2. In Network and Connections, Advanced Menu, click on the Advanced selection in the menu. Let us know which NIC is at the top of the list.
3. Does this server host DNS?
4. Is this server a domain controller?
5. Can you provide the DHCP scope (IP range you configured DHCP to give out), along with the subnet mask, and any Scope Options you've configured (such as Option 003 for the router address, Option 006 for the DNS servers list, and any other options you may have configured).
6. Curious, why are there two NICs in the server? Is the "outside" NIC connected to the Comcast modem, and the inside to the internal LAN?

Would you say your network looks something like the pic in the following link?
http://www.fekay.com/supportblogs/BasicNetworkWithWindowsNATserver.jpg

You've also stated something is up with the DHCP Client service. Just an FYI, despite its name, the DHCP Client service is actually the DNS registration and resolver caching service. If this is disabled, a machine cannot register into DNS, nor will it cache recent DNS lookups.

Are there any services that may have been disabled, more than likely due to security concerns? (Post the result of a "net start" output, please).

Thank you,

--?
Ace

This posting is provided "AS-IS" with no warranties or guarantees and
confers no rights.

Ace Fekay, MCSE 2003 & 2000, MCSA 2003 & 2000, MCT
Microsoft Certified Trainer
aceman@xxxxxxxxxxxxxxxxxxxxxxx

For urgent issues, you may want to contact Microsoft PSS directly.
Please check http://support.microsoft.com for regional support phone
numbers.

.

Relevant Pages

  • Re: DHCP IP lease renewal ok, but a new PC can not obtain an IP ("An e
    ... I guess the problem seen with DHCP from PC's is a symptom of another ... Note that both robert and tina are blade servers within the save blade ... Connection-specific DNS Suffix. ... I.e. DNS servers has their own IP as the first DNS server and another as ...
    (microsoft.public.windows.server.networking)
  • Re: Domain controllers
    ... other DNS was still on the zones transferred to the new domain controller. ... Both DHCP and WINS databases CAN be move -- there are KB ... from one server to another -- search Googgle against Microsoft ...
    (microsoft.public.win2000.active_directory)
  • Re: where is the outlook 2003 product key on the SBS2003 R2 DVD
    ... tracking is easier from the server. ... All you need to do is make sure there are no other DHCP servers running on ... The only time I have seen the connectcomputer error you mentioned about DNS ... I couldn't get the client to ...
    (microsoft.public.windows.server.sbs)
  • Re: MY DNS TROUBLES
    ... Event 5504 is logged when a Windows Server 2003-based DNS server receives a ... This way, the DHCP ... in the DNS correctly. ... Force DHCP to register all records, Forward and PTR, (whether a client ...
    (microsoft.public.windows.server.general)
  • Re: Sending hostname with DHCP
    ... default route and the default dns host. ... Below is my /etc/resolv.conf created by the dhcp client. ... > This seems to depend on the client as much as the server. ...
    (Fedora)