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DHCP & Domains

By Earthworm ·
Here is a tough one.

I run a network of 3 Servers (1 PDC, 1 BDC, 1 Member Server), and Approx. 50 Clients.
DHCP and WINS from PDC only. Clients are all Win98se or NT. A few 98 systems (4 to be exact) cannot use DHCP correctly. I want to know why.

Here is the info:

1 system a few months ago with DHCP enabled Would not Find the Domain. (The No domain available error) I found that the unit could not contact the DHCP server for some reason so I specified an IP in the subnet and all was A OK. So I ignored the problem.

Then a few months later a system I had just formatted and installed win98se onto had a similar but slightly different problem. This unit could see the DHCP server and get an IP address But the Login Screen wouldnot show a domain name. Thus logging in would login to windows but not the domain. So I specified an IP address and What do you know, everything showed up the next reboot. I was able to log into the domain, so again I ginored the issue and left that system outside the DHCP Server.

Now I have 2 new systems with the same problem as the last, but I have a little more Info just to confuse the situation.

1. If I log into windows (Without the domain name) and run winipcfg and release my IP address and then Renew it, A network login box apears with the domain listed.

2. I have tried 3 Different NIC's (a 3com, an Intel, and some noname NIC) All three same result.

3. The Computer actually registers itself with the WINS server, soPing works by IP or Name.

4. If I release the IP and reboot, the Network login box apears with Domain name, but after another reboot switches back to the Windows Login with no Domain.

5. Winipcfg looks identicle between systems that work andsystems that don't.

So what do you think? Any Help will be appreciated.

Eathworm

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DHCP & Domains

by Earthworm In reply to DHCP & Domains

Point value changed by question poster.

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DHCP & Domains

by ab3_tek In reply to DHCP & Domains

If the problem is with login scripts that check the users that are logging into these machines. Do they have the scripts created for them? Ar you using the same login to verify the problem isn't user related? Have you checked to make sure the primary logon is for an NT Domain. Have you manually created the account for these machines on your BDC???

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DHCP & Domains

by Earthworm In reply to DHCP & Domains

The Logon Script is not user specific, But it is only run after the system is logged into the domain. Which that option is not available on boot up on these machines. So before I specify a user I encounter the problem. But I have tried multiple Users and they all do the same thing on these 4 systems. BDC gets a replicated copy of the User Database from the PDC.

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DHCP & Domains

by pherra In reply to DHCP & Domains

I am not sure if you tried this, I got a little lost reading all the responses, but why not un-install the DHCP from the PDC and install it on the BDC? This would give you a new install on a separate domain controller.

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DHCP & Domains

by Earthworm In reply to DHCP & Domains

See Last 2 notes.

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DHCP & Domains

by ghuthwaite In reply to DHCP & Domains

have you tried deleting the nic and doing a freash reinstall of the drivers etc. failing this swoping the card for a known working card from a machine which is logging on to your network.

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DHCP & Domains

by Earthworm In reply to DHCP & Domains

Yep tried both of those. Actually tried 3 different types of NIC's all the same thing.

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DHCP & Domains

by rickh9 In reply to DHCP & Domains

I have seen this once or twice before with W98 never with NT4 or W2k.
Although I've never dug into the issue too far the solution was to add file sharing which would mysteriously fix the logon problem after which I was able to remove file sharingwith no continuation of the problem.
My best guess is that something is either out of kilter in the tcp configuration or a necessary reg entry or component is missing.
At least in our case the problem goes away.

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DHCP & Domains

by Earthworm In reply to DHCP & Domains

Well this was a good suggestion, but unfortunatly it did not help our problem. Even with File Sharring Installed it does not bring up the network login to domain. Thanks

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DHCP & Domains

by cedmison In reply to DHCP & Domains

EW, This may seem silly and would understand a rejected answer, but since you somewhat recently "took over" this network, it might be helpful if you verified how the licensing is set up, i.e. by server, or by seat and ensure that your server has adequate licensing enabled or installed. Ran into same sort of scenario, customer had 25 licenses, added PC 26 and 27, sometimes they could, sometimes they could not, but IP address always. Just a quick thought!

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