DNS problem?

[Loonygirl]

I have a handful of Win98 machines running on a primarily Windows 2000 based network. My file server (which acts as a dns server) is running on Win 2k SP4, with Active Directory.

We've recently changed IP range and subnet mask.
Some Win98 machines are fine and are logging onto the domain correctly.
Others are refusing to see the network server - they are trying to log onto the old IP address of the server.

The ip address and the subnet mask are correct (I'm using static IPs, and not DHCP). I've tried adding an entry into the hosts file in windows, but this has not worked. We do not use WINS.

I had a go at trying ipconfig /flushDNS, but the machine doesn't like this command (I can't remember whether this was a win2k only command or not - I'm having to talk the guy through doing this over the phone as he's on a different site to me).

Any suggestions on what I can try next??

Thanks,

Sarah

 

[TekTippy4U]

try;
ipconfig /release
and
ipconfig /renew

also use
tracert
and
ping

check into the wrong default gateway settings, and make sure the ip range is correct on the clients

TT4U

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[TekTippy4U]

one more command on 98 boxes that may be useful;
netstat -a


TT4U

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[Loonygirl]

Hi,

I don't understand the reasoning behind using netstat as this is just showing all ports which are open? I think I might be missing something....how will open ports help me??

Gateway, subnet and IP ranges are correct.

I cannot ping the server as the computer cannot log onto the domain, hence is not on the network. Again, tracert is not going to work because the computer has not logged onto the network therefore hasn't established a connection on the network...

I've tried those two ipconfig options, but it didn't appear to work.

Sarah

 

[TekTippy4U]

hi looneygirl;
you're not missing anything - i just don't really know about networking much and am just trying to reply with anything helpful at all...
Do you have User Profiles enabled on Clients and are there System Policies being enforced (Config.pol, and .adm). Do you have the "Primary Network Logon" correct...and the Bindings under TCP/IP listed as using the Client for MS networks box checked?
Also heard that Removing completely and after a restart - Reinstalling the Client for MS Networks as 'Primary Network Logon' in the Control Panel Network Applet .
Got File and Printer Sharing Enabled in Network also?
Got the 98 Username listed on the Server as a User?
see for possible more help (apologies I can't be too much help in this area);

also see the Win2K Server area of TekTips, as they're more of a Networking community - at
Windows 2000 Pro at Forum616
Windows 2000 Server at Forum96

TT4U

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[TekTippy4U]

hi again looneygirl;
I left out a link by accident;

http://www.wown.com/j_helmig/w2kwin9x.htm

TT4U

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[Loonygirl]

Hi TT4U,

Thanks for the replies.
Yes, everything seems to be setup correctly - MS Networks, file and print shares etc etc.

Policies aren't used on the win98 machines - all machines are meant to pick up the policies off the AD on the Win 2k server (although I'll admit that the Win98 don't at the moment....but I think I can solve that one!!)

I really think it's something to do with the DNS, but DNS is not really something I know a lot about...

Sarah

 

[TekTippy4U]

two other quick thoughts - one pertaining to a usual real mode net issue;

http://www.wown.com/j_helmig/nologon.htm#realmodenet

http://support.microsoft.com/default.aspx?scid=kb;EN-US;141858

and
all win2K

http://www.wown.com/j_helmig/win2k.htm

showing my ignorance in this area a bit here, but;
can you map the network drive?
can you see the server in network neighborhood?
can you connect using start > run
\\servername\workgroup

that's ok looneygirl to cross-post as I referred you to and you've done so eloquently as I've noticed.....
hope you get it worked out

TT4U

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[kogg]

Well I think windows 2k/XP uses ipconfig but windows98 uses winipcfg

 

[TekTippy4U]

hi kogg;
no....98 uses ipconfig as well -- winipcfg is meant to be ran from the Run box

TT4U

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[TekTippy4U]

looneygirl;
tried Nbtstat -c
nbtstat /? for more info

from this article,

http://boudicca.tux.org/mhonarc/ma-linux/1999-mhonarc/1999-Dec/msg00826.html

and although it concerns linux and 98, it seems the order for lookup is this

[....look in cache first -> wins -> broadcast -> LMhosts -> DNS (if
configured) -> Hosts (if dns enabled).....]

have you tried LMHOSTS ?
also - I'm sure you're aware, but just in case - use no extensions (ex.- lmhosts.txt) on file name (lmhosts or hosts)...and use All Uppercase letters in file name.

also note in the REG on my 98 box; this key
HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\VxD\MSTCP
"EnableDNS"=0

===================

Discard/ignore anything below that doesn't apply;

User Profiles enabled on the 98 box?
Control Panel >> Passwords >> All users use the same Desktop.... is ticked? or the other one is ticked?
If the user is logged onto 98 box with a different User Profile.....perhaps the Config.pol is not loading/replacing User.dat (should be found in \Windows\inf directory i think - along with windows.adm and one other)

Control Panel >> Users --> unnecessary old profiles?
Delete from there and
Delete old from C:\WINDOWS\Profile directory
This is why I asked about TweakUI as well - there's an auto-logon function under the logon tab.... when on the

http://WWW -

d/l install the debugged version.

http://www.microsoft.com/ntworkstation/downloads/powertoys/networking/nttweakui.asp?

only 64KB - and this is primarily for Windows logon, though could interfere with the Network logon

Possible under IE Options >> Connections Tab > LAN ...there's a script being run to Logon rather than "automatically detect settings" box being ticked.
Check the Proxy Server settings while there too.

I'm trying to get you to compare what's diff between the 98 boxes, but realize now that you're not physically there. Also - not realizing whether or not the user has certain settings that need saving and how far you'd like to go to resolve the issue - I had suggested to Uninstall the Client for MS in Network, reboot and reinstall...also make sure NetBIOS protocol over TCP/IP is the one that you're adjusting the DNS and WINS settings in - not the TCP/IP dialup adapter. Have you installed File and Print sharing for MS Networks as a "Service" in the Network Applet? ....also maybe delete all the .pwl files from the 98 box (this can cause other issues access to personal data located on the box).

note; also that even tweakui alters the Reg with settings, as well as any system policies, so editing the Reg may be necessary.

===================

found this while looking for an answer and gives a decent reason to use dhcp instead of static.
thread581-881673

TT4U

Notification:
These are just my thoughts....and should be carefully measured against other opinions.
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