Re: Domain Controller Stops Processing All Login Requests Randomly

I think the problem may be solved with SP1. After installing on both DCs,
we simultaneously booted 30 machines and no server crash. We then
simultaneously booted 60 machines and no server crash. Thanks for your help
on this. I will post a new question if the problem reoccurs once the
students come back this summer. Here are the KB articles I found that
appeared relevant to our problem and that were addressed in SP1:

"Windows Server 2003 Service Pack 1 list of updates" - 824721

"Clients cannot log on to domain controllers that are Windows Server
2003-based DNS servers, and network interfaces that are not registered in
DNS can still perform dynamic updates" - 832478

"Windows Server 2003-Based Computer Becomes Unresponsive During Periods of
High Server Use" - 822820

Josh

"Herb Martin" <news@xxxxxxxxxxxxxx> wrote in message
news:uzCH4QmWFHA.1796@xxxxxxxxxxxxxxxxxxxxxxx
>> http://www.faronics.com/html/deepfreeze.asp. We use it on all of our
>> clients. None of our servers run it. At any rate it essentially
> "freezes"
>> the workstation's system state so you can give a user Admin on a box, if
> you
>> wanted, and they can install stuff for a day. When the machine reboots,
> the
>> system state is restored to the original snapshot. It is really handy in
> a
>> lab environment. One feature of the administrator console allows us to
>> control the clients and shutdown a bunch of machines at once or turn them
>> all on at once.
>
> You are likely running into a DESIGNED FEATURE (not
> a bug) due to the Deep Freeze mechanism. This is similar
> to using Ghost or any Backup scheme to restore a machine
> to a known state.
>
> After a week or so, the backup image will no longer 'know'
> the computer password on the domain (because one of it's
> invocations will have changed it and they expire within
> 1-2 weeks usually.)
>
> Now the computer cannot authenticate itself, nor due to this
> it's user, on the domain. The computer account must be
> "reset".
>
> [The obsolete method is to unjoin/rejoin the computer from
> the domain.]
>
> Reset is accomplished by one of the included or support
> tools: AD User/Computers right-click, NetDom, NLTest,
> DSMod, ADSI script, etc.
>
> --
> Herb Martin, MCSE, MVP
> Accelerated MCSE
> http://www.LearnQuick.Com
> [phone number on web site]
>
> "Josh-UCDHSC" <noJCspam@xxxxxxxxxxxxx> wrote in message
> news:OOyHNDjWFHA.2664@xxxxxxxxxxxxxxxxxxxxxxx
>>
>> "Herb Martin" <news@xxxxxxxxxxxxxx> wrote in message
>> news:%23ngwOeCWFHA.4056@xxxxxxxxxxxxxxxxxxxxxxx
>> >> I don't know how this is related, but this morning we booted about 30
>> >> machines simultaneously that are Deep Freeze clients. After booting,
> the
>> >> machines, the server exhibited the same behaviour. We rebooted the
>> >> server
>> >> and then tried the same thing, booting a lab full of machines and it
>> > stopped
>> >> responding again. The wierd thing is that I was able to login to the
> DC
>> >> (which takes awhile when this happens) and open the dnsmgmt.msc o.k.
> but
>> >> still no one could login and shared folders were inaccessable.
>> >
>> > What's a Deep Freeze Client?
>>
>> Deep Freeze is made by Faronics -
>> http://www.faronics.com/html/deepfreeze.asp. We use it on all of our
>> clients. None of our servers run it. At any rate it essentially
> "freezes"
>> the workstation's system state so you can give a user Admin on a box, if
> you
>> wanted, and they can install stuff for a day. When the machine reboots,
> the
>> system state is restored to the original snapshot. It is really handy in
> a
>> lab environment. One feature of the administrator console allows us to
>> control the clients and shutdown a bunch of machines at once or turn them
>> all on at once.
>>
>> When we turn on a lab of 30 - 32 machines simultaneously (sends a wake on
>> lan signal) the server freezes. So at least we are able to replicate the
>> problem now. What is wierd is that it will also happen during the day
> when
>> folks are coming in and out of the lab and not turning on very many
> machines
>> at once.
>>
>> So there is a pattern and there isn't a pattern.
>> >
>> > Those hang warning make me concerned for the DNS dll's etc.
>> > and would suggest a repair install is in order.
>>
>> I have two weeks to work on it in between semesters now. I have made a
> full
>> backup and will do a repair this week as well as Service Pack 1.
>>
>> >
>> >
>> > --
>> > Herb Martin, MCSE, MVP
>> > Accelerated MCSE
>> > http://www.LearnQuick.Com
>> > [phone number on web site]
>> >
>> > "Josh-UCDHSC" <noJCspam@xxxxxxxxxxxxx> wrote in message
>> > news:#Ca1FS#VFHA.2692@xxxxxxxxxxxxxxxxxxxxxxx
>> >>
>> >> "Herb Martin" <news@xxxxxxxxxxxxxx> wrote in message
>> >> news:Oudg0R0VFHA.3764@xxxxxxxxxxxxxxxxxxxxxxx
>> >> > "Josh-UCDHSC" <noJCspam@xxxxxxxxxxxxx> wrote in message
>> >> > news:#hZhaC0VFHA.2664@xxxxxxxxxxxxxxxxxxxxxxx
>> >> >> Herb,
>> >> >>
>> >> >> Well, the system zombied again today. It lasted a week and then
>> >> >> froze.
>> >> > I'm
>> >> >> going to create a backup and try the repair. I'm going to call
>> >> >> Dell
>> >> >> about
>> >> >> the proper proceedure for installing SP1 for Win2k3 on the
>> >> >> PowerEdge
>> >> >> 2850.
>> >> >> I've heard that it can be tricky.
>> >> >
>> >> > Well, "zombie"ing, whatever that means doesn't have
>> >> > much to do with DNS or even AD and logon requests.
>> >>
>> >> What I mean is that the server stopped responding to login requests
>> >> and
>> >> people that had files open from thier network share lost the ability
>> >> to
>> >> access those files. I tried opening dnsmgmt.msc and got an
>> >> Application
>> >> Error Event log "Application Hang" Event ID 1002, "Hanging application
>> >> mmc.exe, version 5.2.3790.0, hang module hungapp, version 0.0.0.0,
>> >> hang
>> >> address 0x00000000.".
>> >>
>> >> I don't know how this is related, but this morning we booted about 30
>> >> machines simultaneously that are Deep Freeze clients. After booting,
> the
>> >> machines, the server exhibited the same behaviour. We rebooted the
>> >> server
>> >> and then tried the same thing, booting a lab full of machines and it
>> > stopped
>> >> responding again. The wierd thing is that I was able to login to the
> DC
>> >> (which takes awhile when this happens) and open the dnsmgmt.msc o.k.
> but
>> >> still no one could login and shared folders were inaccessable.
>> >>
>> >> >
>> >> >> I'll keep this thread updated I guess, what do you suggest I do
>> >> >> from
>> > here
>> >> > on
>> >> >> out if the repair doesn't fix the problem?
>> >> >
>> >> > You may, but don't count on it if you don't get a response
>> >> > since old threads will eventually be deleted from my
>> >> > news storage -- on the other hand if it is still here, the
>> >> > group turns "red" when a new message is added since I
>> >> > am "watching" it.
>> >> >
>> >> > It would be odd if there is anything tricky about SP1
>> >> > for that specific machine -- although occasionally a
>> >> > BIOS update is required before loading a new version.
>> >> >
>> >> > --
>> >> > Herb Martin, MCSE, MVP
>> >> > Accelerated MCSE
>> >> > http://www.LearnQuick.Com
>> >> > [phone number on web site]
>> >> >
>> >> >>
>> >> >> Josh
>> >> >>
>> >> >> "Herb Martin" <news@xxxxxxxxxxxxxx> wrote in message
>> >> >> news:eimD%237NVFHA.1452@xxxxxxxxxxxxxxxxxxxxxxx
>> >> >> > "Josh-UCDHSC" <noJCspam@xxxxxxxxxxxxx> wrote in message
>> >> >> > news:u8QqlSNVFHA.3212@xxxxxxxxxxxxxxxxxxxxxxx
>> >> >> >> Herb, thanks for the help. I backup the DCs and a few other
>> >> >> >> servers
>> >> >> >> using
>> >> >> >> the grandfather-son-grandson backup scheme so not to worry on
> that,
>> > I
>> >> >> > hope.
>> >> >> >> I use Backup Exec 10 and find it really easy to use.
>> >> >> >>
>> >> >> >> So far the server hasn't zombied since Thursday night. I'm
>> > guardedly
>> >> >> >> optimistic that rebuilding the DNS fixed the problem. I will
>> >> >> >> update
>> >> > the
>> >> >> >> thread at the end of this week.
>> >> >> >
>> >> >> >
>> >> >> > Glad to hear that -- hope it stays that way.
>> >> >> >
>> >> >> > --
>> >> >> > Herb Martin, MCSE, MVP
>> >> >> > Accelerated MCSE
>> >> >> > http://www.LearnQuick.Com
>> >> >> > [phone number on web site]
>> >> >> >
>> >> >> >
>> >> >>
>> >> >>
>> >> >
>> >> >
>> >>
>> >>
>> >
>> >
>>
>>
>
>


.

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