Logon to NT server problems

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Stu129

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Joined
Jul 6, 2001
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I have a Win95 workstation that, all of a sudden, cannot get validated by our NT 4.0SP6 server and as a result, can't log into the network.

A little background - we run Exchange 5.5SP3 using NT authentication to connect to the mailboxes. We also run telnet software to connect to some mainframe apps and give our users Internet access. These software uses TCP/IP to connect.

Now, the workstation gets a proper IP address and as a result, can access their mainframe apps and the Internet. However, since the user can't log into our network, they have no access to their e-mail. That's a problem. However, if you bypass the Client for Microsoft Networks logon, and then double-click on Outlook, you get prompted for the login credentials. If you enter them there, you're in.

As well, we run DHCP. The workstation is receving an IP address from the DHCP server, which as so happens is the server that validates user logons.

We're running TCP/IP only on both workstation and server.

I've had the user login on another machine. No problems there. I've tried other user ID's on the problem workstation and get the same error. I've take the workstation and plugged into another network outlet that works...same error message.

Soooo - I've narrowed it down to a workstation issue! I've removed all network settings. No change. I've removed the network card drivers and re-installed from scratch. No change. I've tried using another NIC (a 3COM card that I know worked). No change.

So, I'm stumped. Any thoughts on why this is occuring? I'm thinking that a re-build of the workstation is necessary. I hope that's not the case and some of your brilliant minds will know how to fix this. :)

Thanks in advance.

Stu
 
Joined
Jul 29, 2001
Messages
21,334
Do you get any error at all when trying to login from this particular workstation? Delete the local profile and also the local pwl file and try again. Is this PC pulling an IP address fron a DHCP server or is it static. Do a winipcfg once and if the user is authenticated. Sounds like he is never being logged in and your server should be generating some kind of error as to why.
 

Stu129

Thread Starter
Joined
Jul 6, 2001
Messages
3
The IP address assigned is a dynamic one given by our DHCP server. We only assign static IP addresses to our printers.

I can go into WINIPCFG, release the IP address and renew it without any problems.

I've also went into the DHCP manager and deleted the IP lease for that user thinking that it would a difference. It didn't.

Sorry, I thought I posted the error message. The error message the workstation is getting is:

"No domain server is available to validate your password. Please contact your system ...yadda, yadda, yadda"

Thanks for your quick reply.
 
Joined
Jul 29, 2001
Messages
21,334
Go into server manager and delete the workstation with the same name from there. I have had this problem with NT before and removing it from server manager cleared it up. Are all your subnet addresses and workgroup names the same on this PC? Do you get a link light when you cable up....on both ends?
 
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