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User logon

Posted on 2004-08-30
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Last Modified: 2010-04-11
I have a little problem regarding users logging onto my domain. On my laptop running Windows XP Professional, I can logon with some accounts, but not with others. The message I get when I try to logon as one of the users is "The system cannot log you on now because the domain mydomain is unavailable".

On my Dell Workstation I have no problem loggin on as any user!

Any ideas or suggestion why?

Peter
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Question by:Peter_Fabri
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by:Pete Long
ID: 11929950
sounds like a dodgy connection somewhere or the laptop is having problems with DNS - is it showing the correct IP address for your DNS server?

start >run >ipconfig /all {enter}
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Author Comment

by:Peter_Fabri
ID: 11930114
Hi Peter,

I did an IPCONFIG /ALL on my laptop and noticed the ip address for the DNS server was different. I have reset it to the IP address of my server/DNS server but the same problem occurs.

Peter
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by:Pete Long
ID: 11930131
just as a test, under the DNS server setting put in the IP of your domain controller.

then

CLick start >run >cmd {enter}

nslookup <name of your domain controller> {enter}

does it come back with the IP?
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Author Comment

by:Peter_Fabri
ID: 11930182
I typed in nslookup <name of my domain controller> and got name and address, then typed in nslookup ip address and got back the same information. This appears to be working as expected, unless I am missing something.

Peter
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by:Pete Long
ID: 11930214
OK - I wanted to make sure DNS wasnt the problem cause given the error you posted it usually is :)

do these users have anything in common?
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Author Comment

by:Peter_Fabri
ID: 11930245
The only thing I'd say they have in common is that they all have the same access rights and only the default restrictions.
 
The account I can use to logon to my domain is the administrator's account. However, from my server or other workstation, I can't ping the ip address of my laptop, but from my laptop I can ping both the server/workstation. So I seem to have one way communication.

Peter
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Pete Long earned 125 total points
ID: 11930281
one way pings are usually the result of a firewall ?

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Author Comment

by:Peter_Fabri
ID: 11930378
I have the free version of ZoneAlarm Pro installed on my laptop. Logging on as Administrator I managed to disconnect the firewall, then did a control-alt-del to logoff as administrator and then logging on as a user and managed to logon successfully! It would appear that under the administrator's account, I am allowed to logon to my domain, but not as a user! Pings work both ways now, except when the firewall pops up.


Peter
 
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Expert Comment

by:Pete Long
ID: 11930425
Im surprised ZA will not let your USERS log on? is this a personal or work laptop?
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Author Comment

by:Peter_Fabri
ID: 11930486
It is a personal laptop I connected to my LAN so that I have 2 machines connected to my server, allowing me to experiment and learn more about networking. It would seem that in order to logon as a user, I need to first logon as administrator and follow the above procedure! Unless I uninstall ZA. The reason I installed the firewall is just in case I need to use it in place of my Dell laptop if anything happens to it. I didn't realise the power of the firewall!

Thanks for your help. It sorted out my problem. I do have another problem, though, regarding my ADSL/router/firewall/hub. I have this as another open question. I should be most grateful if you could help here too. Just to let you know I do not have interent connection on my LAN just yet, all I wish to do is have everything configured.

Peter
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by:Pete Long
ID: 11930816
:) Ill go take a peek Peter
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by:Pete Long
ID: 11930898
ThanQ
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Expert Comment

by:infinitydsm
ID: 11961739
Hi,

goto command prompt on the computers not connecting:

type:

ipconfig /flushdns

then do a:

ipconfig /release

and:

ipconfig /renew

this will re-apply for a ip address from the server, if this doesn't work then try a restart and then try again. if you dont have dhcp running then you need to chek your ip address is a normal ip and not a 169.2XX address. this is not valid.

Good Luck!
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