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July 2008 - Posts

Friday, July 25, 2008 8:44 PM

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
Posted by ntdebug | 2 Comments
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Wednesday, July 23, 2008 8:20 PM

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
Posted by ntdebug | 5 Comments
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Thursday, July 10, 2008 8:21 PM

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
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Thursday, July 10, 2008 5:32 PM

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,
Posted by ntdebug | 13 Comments
Thursday, July 03, 2008 9:08 PM

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
Posted by ntdebug | 4 Comments
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Tuesday, July 01, 2008 8:58 PM

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
Posted by ntdebug | 7 Comments
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