Re: Laptop Logoff Painfully Slow when a Kerberos Realm user is logged on

Hi Ken:

I applied all available updates using Microsoft Update and there was no change.

When logging into Safe Mode with Networking this problem does not show. However, the System Event Notification service does not start in Safe Mode, and cannot be started manually, so I can't test behaviour in Safe Mode with that service running.

Hope that information helps.

Thanks!

Simon


""Ken Zhao [MSFT]"" <v-kzhao@xxxxxxxxxxxxxxxxxxxx> wrote in message news:mlJsdjMfHHA.5272@xxxxxxxxxxxxxxxxxxxxxxxxx
Hi Simon,

Thanks for your response and I am glad to hear we have narrowed down the
issue.

Based on my knowledge, System Event Notification service tracks system
events, such as Windows logon, network, and power events. This service
notifies COM+ Event System subscribers of these events. Therefore, I
suspect this issue should be related to network or COM+.

I am not sure if you have installed all recent updates from Windows Update
web site. If not, please apply all recent updates to see if the issue still
occurs.

In addition, please monitor the issue in Safe Mode with Network to see if
it still occurs. I will help us verify if it is related to network.

Thanks & Regards,

Ken Zhao

Microsoft Online Support
Microsoft Global Technical Support Center

Get Secure! - www.microsoft.com/security <http://www.microsoft.com/security>
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--------------------
| Reply-To: "Simon Collier" <simon.collier@xxxxxxxxxxxxxxxx>
| From: "Simon Collier" <simon.collier@xxxxxxxxxxxxxxxx>
| References: <#JkE$JidHHA.4012@xxxxxxxxxxxxxxxxxxxx>
<N7FCA0ndHHA.4692@xxxxxxxxxxxxxxxxxxxxxx>
<AEFCFE58-06EF-47CA-B16A-20E45C8A54C4@xxxxxxxxxxxxx>
<gNSnZvweHHA.3744@xxxxxxxxxxxxxxxxxxxxxx>
| In-Reply-To: <gNSnZvweHHA.3744@xxxxxxxxxxxxxxxxxxxxxx>
| Subject: Re: Laptop Logoff Painfully Slow when a Kerberos Realm user is
logged on
| Date: Wed, 11 Apr 2007 11:19:26 -0600
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|
| Hi Ken:
|
| Thanks for your reply. I don't know why I didn't think of diagnosing with
| the msconfig tool, I used to use it all the time. Turns out that was a
GREAT
| idea - thank you!
|
| The System Event Notification service is the culprit. Disabling this
service
| fixes the huge logoff delay.
|
| So: A user logged onto a Kerberos Realm using Windows XP SP2 on a Dell
D420
| experiences a long delay in logging off when the System Event
Notification
| service is running (which it probably needs to).
|
| What is my next course of action in order to find a resolution?
|
| Thanks!
|
| Simon
|
|
| ""Ken Zhao [MSFT]"" <v-kzhao@xxxxxxxxxxxxxxxxxxxx> wrote in message
| news:gNSnZvweHHA.3744@xxxxxxxxxxxxxxxxxxxxxxxxx
| > Hi Simon,
| >
| > Thanks for your reply.
| >
| > Since this issue only occurs on this specific laptop, I suspect this
may
| > be
| > related to certain applications or drivers. Please try to remove all
third
| > party applications or you may boot into Clean Boot mode to monitor the
| > issue.
| >
| > To isolate the influence of additional applications, please boot the
| > system
| > into a Clean Boot environment to see whether this problem continues:
| >
| > 1. Unplug all the unnecessary devices, with only the keyboard and the
| > mouse
| > left.
| > 2. Click Start, click Run, type "msconfig" (without the quotation
marks)
| > in
| > the Open box, and then click OK.
| > 3. In the Startup tab, click the "Disable All" button.
| > 4. In the Services tab, check the "Hide All Microsoft Services"
checkbox,
| > and then click the "Disable All" button.
| > 5. Click OK and restart your computer.
| >
| > 310560: How to troubleshoot by using the System Configuration utility in
| > Windows XP
| > http://support.microsoft.com/kb/310560
| >
| > I am not sure if Kerberos Realm user can logon in Safe Mode with
Network.
| > If so, you may test in Safe Mode with Network. Safe Mode loads a
minimally
| > protected-mode configuration, disabling Windows device drivers and using
| > the standard VGA display adapter.
| >
| > 1. Restart the computer.
| > 2. Keep pressing F8 key until the Windows Startup menu appears.
| > 3. Choose the Safe Mode with Network, and press Enter.
| >
| > Note: Some third party applications and hardware devices cannot be used
| > during Safe Mode.
| >
| > Thanks & Regards,
| >
| > Ken Zhao
| >
| > Microsoft Online Support
| > Microsoft Global Technical Support Center
| >
| > Get Secure! - www.microsoft.com/security
| > <http://www.microsoft.com/security>
| > ====================================================
| > When responding to posts, please "Reply to Group" via your newsreader so
| > that others may learn and benefit from your issue.
| > ====================================================
| > This posting is provided "AS IS" with no warranties, and confers no
| > rights.
| >
| >
| >
| >
| >
| > --------------------
| > | Reply-To: "Simon Collier" <simon.collier@xxxxxxxxxxxxxxxx>
| > | From: "Simon Collier" <simon.collier@xxxxxxxxxxxxxxxx>
| > | References: <#JkE$JidHHA.4012@xxxxxxxxxxxxxxxxxxxx>
| > <N7FCA0ndHHA.4692@xxxxxxxxxxxxxxxxxxxxxx>
| > | In-Reply-To: <N7FCA0ndHHA.4692@xxxxxxxxxxxxxxxxxxxxxx>
| > | Subject: Re: Laptop Logoff Painfully Slow when a Kerberos Realm user
is
| > logged on
| > | Date: Wed, 4 Apr 2007 09:51:18 -0600
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| > |
| > | Hi Ken:
| > |
| > | Thank you for your reply.
| > |
| > | I can confirm that this is a Windows XP SP2 box, with a "clean"
| > installation
| > | of Windows XP SP2 + ksetup (to setup the Kerberos Realm info) + Dell
| > | hardware drivers. I can also confirm that this is the only Dell D420
we
| > have
| > | on our network, and the only machine with this problem.
| > |
| > | Therefore, if I were to guess, I would suggest there is a problem with
| > the
| > | combination of "the way Windows deals with Kerberos Realms" and "a
| > driver"
| > | that Dell has provided for this particular hardware.
| > |
| > | This of course means I don't really know who to turn to for help.
| > |
| > | Do you know what else I can try? Is this something I would need paid
| > support
| > | with?
| > |
| > | Thanks!
| > |
| > | Simon
| > |
| > |
| > | ""Ken Zhao [MSFT]"" <v-kzhao@xxxxxxxxxxxxxxxxxxxx> wrote in message
| > | news:N7FCA0ndHHA.4692@xxxxxxxxxxxxxxxxxxxxxxxxx
| > | > Hello Simon,
| > | >
| > | > Thank you for using newsgroup!
| > | >
| > | > From your post, I have performed some research but I cannot find any
| > | > similar issues reported. I notice there are some issues about MIT
| > Kerberos
| > | > realm user's logon and access in Windows XP. For the related
articles
| > are
| > | > as below:
| > | > 325468: Cannot Access Active Directory Shares From MIT Kerberos
Realm
| > | > http://support.microsoft.com/kb/325468/en-us
| > | >
| > | > 811802: MIT Kerberos v5 Authenticated Users Cannot Access Active
| > Directory
| > | > Resources
| > | > http://support.microsoft.com/kb/811802/en-us
| > | >
| > | > 825081: Cannot Use an MIT Kerberos Realm User's Cached Credentials
to
| > Log
| > | > On to a Windows XP Client
| > | > http://support.microsoft.com/kb/825081/en-us
| > | >
| > | > 836878: Logon failure events are incorrectly recorded for trusted
MIT
| > | > Kerberos realm users
| > | > http://support.microsoft.com/kb/836878/en-us
| > | >
| > | > However, I notice these issues have been resolved in Service Pack 2
| > for
| > | > Windows XP. If the client has not applied SP2, I suggest you first
| > install
| > | > all updates including SP2 to see if the issue still occurs.
| > | >
| > | > Download the full installation package of Windows XP Service Pack 2
| > | >
| >
<http://www.microsoft.com/downloads/details.aspx?FamilyId=049C9DBE-3B8E-4F30
| > | > -8245-9E368D3CDB5A&displaylang=en>
| > | >
| > | > Since the package is very large (about 200 -300 Mb), it will take a
| > long
| > | > time to finish downloading using a dial-up connection. If this is
the
| > case
| > | > or there is any difficulty in downloading SP2 from our website, we
can
| > | > access the following link to order a free SP2 CD to perform the
| > | > installation. It will arrive in 4 to 6 weeks since you submit the
| > order.
| > | >
| > | > Order Windows XP Service Pack 2 on CD
| > | >
| >
<http://www.microsoft.com/windowsxp/downloads/updates/sp2/cdorder/en_us/defa
| > | > ult.mspx>
| > | >
| > | > Thanks & Regards,
| > | >
| > | > Ken Zhao
| > | >
| > | > Microsoft Online Support
| > | > Microsoft Global Technical Support Center
| > | >
| > | > Get Secure! - www.microsoft.com/security
| > | > <http://www.microsoft.com/security>
| > | > ====================================================
| > | > When responding to posts, please "Reply to Group" via your
newsreader
| > so
| > | > that others may learn and benefit from your issue.
| > | > ====================================================
| > | > This posting is provided "AS IS" with no warranties, and confers no
| > | > rights.
| > | >
| > | >
| > | >
| > | >
| > | >
| > | > --------------------
| > | > | Reply-To: "Simon Collier" <simon.collier@xxxxxxxxxxxxxxxx>
| > | > | From: "Simon Collier" <simon.collier@xxxxxxxxxxxxxxxx>
| > | > | Subject: Laptop Logoff Painfully Slow when a Kerberos Realm user
is
| > | > logged on
| > | > | Date: Tue, 3 Apr 2007 12:58:43 -0600
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| > | > |
| > | > | A laptop logoff is painfully slow when a Kerberos Realm user is
| > logged
| > | > on.
| > | > | When we setup Windows on a brand new Dell D420 and use an MIT
| > Kerberos
| > | > Realm
| > | > | to logon, it takes about 10 minutes to log off later (sits on the
| > | > "logging
| > | > | off" window). When we do not have the laptop setup for Kerberos,
| > then
| > it
| > | > | logs on and off very quickly.
| > | > |
| > | > | a. We have removed all group policies.
| > | > | b. We have tried the laptop in different OU's with different
| > policies
| > | > | enabled.
| > | > | c. We have tried using our "standard" image for a D640 (with
| > different
| > | > | drivers installed).
| > | > | d. We have tried a clean install of Windows from the Dell CD.
| > | > |
| > | > | If we logon as a local domain or local machine user, it works
fine.
| > If
| > | > we
| > | > | setup Kerberos and logon as a MIT Kerberos Realm user, it logs on
| > fine
| > | > but
| > | > | when it's time to log off it takes forever.
| > | > |
| > | > | We have 150+ machines on our network, all using an MIT Kerberos
| > Realm
| > to
| > | > | authenticate and only this one new Dell D420 has this problem, and
| > only
| > | > when
| > | > | logging onto the domain using Kerberos Relam credentials.
| > | > |
| > | > | Has anyone seen this before?
| > | > |
| > | > |
| > | >
| > |
| > |
| >
|
|


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