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CSI Debugging - Uncovering the cause of a Server Hang

My name is Nischay Anikar from the Escalation Engineer team in Global Escalation Services. In today’s post I’ll present a weird problem I worked through with a client. When we started to work on the problem, we found the following: Ping to the box worked. Read More...
Posted Thursday, August 20, 2009 8:19 PM by ntdebug | 2 Comments
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Debugging a Hang at “Applying Computer Settings”

Hi Everyone - My name is Aman. I'm an Escalation Engineer on the Microsoft GES (Global Escalation Services) team. We recently came across a critical situation where-in the following issues were reported by the customer: 1. DC login hangs at “applying Read More...
Posted Friday, February 13, 2009 6:16 PM by ntdebug | 2 Comments
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Red alert! My Server is hung - what do I do?

So you have a dump from a hung server and you’re the first person on the scene. Your IT Manager is jumping up and down, the phone is ringing off the hook and people are hovering outside your cube. It’s game time and the pressure is on!!! Now what do you Read More...
Posted Friday, September 12, 2008 8:48 PM by ntdebug | 5 Comments
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More dump forensics, understanding !locks, in this case a filter driver problem

Written by Jeff Dailey: Hello NTDebuggers, one of the most important things to understand in kernel debugging hung servers is the output of !locks. There can be a lot of data and it’s not always clear what is going on. One of the things I like to do in Read More...
Posted Thursday, April 17, 2008 8:25 PM by ntdebug | 2 Comments
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Closing the loop: CPU spike in winlogon.exe

We recently dealt with an interesting issue that I would like to share, hope you enjoy. - Jason Issue Summary Customer reports that within their Citrix server farm (running on Windows Server 2003), when a user logs into or out of a session (seems more Read More...
Posted Thursday, April 10, 2008 5:06 PM by ntdebug | 3 Comments
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LPC CASE2 – When things are not rosy

Hello, this is Roy again. In this case we will discuss a scenario where tracing a hung client thread is not possible through LPC data structures and extensions. We would rather use hints from the LPC message sent about the operation that was taking place Read More...
Posted Friday, September 14, 2007 8:38 PM by ntdebug | 1 Comments
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LPC part 2 Kernel Debugger Extensions

Hello my name is Roy, I’m an EE on the Microsoft global escalation services / CPR team. This blog is a follow on to my first LPC blog. We will be discussing debugger extensions that allow you to look at LPC related issues. Disclaimer: The purpose of this Read More...
Posted Wednesday, September 05, 2007 4:00 PM by ntdebug | 1 Comments
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LPC (Local procedure calls) Part 1 architecture

Hello, my name is Roy. I’m an Escalation Engineer in the CPR platforms team. I’ll be doing a four part series on LPC over the coming month. You’re sure to find this interesting. That being said let’s get started. Disclaimer: The purpose of this blog is Read More...
Posted Thursday, July 26, 2007 12:56 PM by ntdebug | 3 Comments
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Where the rubber meets the road, or in this case the hardware meets the probe.

Hi my name is Bob, I’m an Escalation engineer with the Microsoft critical problem resolution team. We had one of our readers ask how much we deal with hardware. Well in response we recently worked on an interesting problem I thought I would share with Read More...
Posted Friday, June 22, 2007 2:37 PM by ntdebug | 1 Comments
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How Windows Starts Up (part 1 of 4)

Hi folks, my name is David and I’m an Escalation Engineer for Microsoft. Since Bryan wrote about How Windows Shuts Down , I thought it would be a good idea to cover How Windows Starts Up. This information applies specifically to Windows 2000, Windows Read More...
Posted Tuesday, June 19, 2007 12:29 PM by ntdebug | 9 Comments
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Server Hangs with Event ID: 2021 and 2022

Hi again! This is Tate from the CPR team and I’m going to show you how to debug a Server Service hang and the sometimes dreaded Event ID: 2021 and Event ID: 2022. There is much Voodoo about troubleshooting these two events but never fear, it’s possible Read More...
Posted Tuesday, June 19, 2007 12:19 PM by ntdebug | 3 Comments
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This button doesn’t do anything!

Hello - Matthew here again. Today I'll be discussing in detail hang scenario #1 that Tate first mentioned a few blogs posts ago . From a debugging perspective, in an ideal world an application would always provide some kind of feedback when a failure Read More...
Posted Friday, June 15, 2007 2:57 PM by ntdebug | 8 Comments

Hung Window?, No Source?, No problem!! Part 2

Written by Jeff Dailey Hello, my name is Jeff, I’m a escalation engineer on the Microsoft CPR (critical problem resolution) platforms team. This blog entry is part 2 of my Hung Window?, No source?, No problem!! Part 1 blog . In this lab we will be debugging Read More...
Posted Friday, June 15, 2007 12:30 PM by ntdebug | 3 Comments

Hung Window?, No source?, No problem!! Part 1

Written by Jeff Dailey Hello, my name is Jeff, I’m a escalation engineer on the Microsoft CPR Platforms team. This blog entry is a follow on for how to detect a hung window . This process and training lab is right out of our CPR Training curriculum. In Read More...
Posted Wednesday, June 13, 2007 6:20 PM by ntdebug | 2 Comments

How Windows Shuts Down

Hi my name is Bryan, I'm a escalation engineer on the Microsoft CPR platforms team. A common problem scenario involves shutting down Windows. When troubleshooting problems during shut down we have to look at the Winlogon.exe process which can be tricky Read More...
Posted Saturday, June 09, 2007 1:18 AM by ntdebug | 5 Comments
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Attachment(s): shutdown.jpg
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