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July 2008 - Posts

What Are the Odds?

Hi NTDebuggers, something rarely talked about are the odds of a problem being in one piece of code vs. another. From time to time we see some very strange debugs or symptoms reported by customers. The problems can be associated with anything from an internally Read More...
Posted Friday, July 25, 2008 8:44 PM by ntdebug | 2 Comments
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Data Execution Protection in action

Hello, my name is Graham, and I’m an escalation engineer on the Platforms Global Escalation Team. I recently worked a case where a group of Windows XP machines were hitting a bugcheck on boot, error 0xC000021A . This error occurs when a critical usermode Read More...
Posted Wednesday, July 23, 2008 8:20 PM by ntdebug | 5 Comments
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If Cluster is running fine, don’t dump cluadmin on a hang

Hello, my name is East, and I’m an Escalation Engineer on the Microsoft Platform Global Escalation Services team. Here are some tips for those wanting to review dumps from Cluster Administrator (Cluadmin.exe), the GUI version of cluster.exe that allows Read More...
Posted Thursday, July 10, 2008 8:21 PM by ntdebug | 3 Comments
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Windows Internals Beta Exam 71-660

Correction, Windows Internals Beta Exam 71-660 This was previously listed incorrectly as 70-660, the actual exam ID is now 71-660 Update 7-18-2008: The link to the exam preparation information has been updated below. Update 7-21-2008: When registering, Read More...
Posted Thursday, July 10, 2008 5:32 PM by ntdebug | 13 Comments

NTFS Misreports Free Space?

I have recently seen a number of issues where customers called in to report a significant difference between the “Size on disk” for the root of a volume, and the reported amount of “Used space” in the volume properties. While considering this, I noticed Read More...
Posted Thursday, July 03, 2008 9:08 PM by ntdebug | 8 Comments
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Tracking Down a Multi-Process Deadlock

Hello, my name is Louis Shanks and my story starts off with a tricky little deadlock issue that I worked on recently. Let me set the stage by explaining the surface level symptom, and then we will get to the good stuff. Randomly when users running Vista Read More...
Posted Tuesday, July 01, 2008 8:58 PM by ntdebug | 8 Comments
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