Tool: The WMI Diagnosis Utility — Version 2.2

Windows Server 2012 R2 Windows 8.1 Windows Server 2012 Windows 8 Windows Server 2008 R2 Windows 7 Windows Server 2008 Windows Vista Windows Server 2003 “A utility to help system administrators diagnose and repair problems with the WMI service. ” Download it from: The WMI Diagnosis Utility — Version 2.2 http://www.microsoft.com/en-us/download/details.aspx?id=7684


Storage optimization: I/O Priorities (registry key IdlePrioritySupported)

Applies to: Windows Server 2012 R2 Windows Server 2012 Windows Server 2008 R2 Windows Server 2008   Using Storage-related Parameters and Performance Counters – I/O Priorities the document says to add a key under HKEY_LOCAL_MACHINE\System\CurrentControlSet\Control\DeviceClasses\{Device_GUID}\DeviceParameters\Classpnp\ IdlePrioritySupported (dword) 0 (hex)   Now, the question becomes how you get the {Device_GUID} information? Note:  The information is not…


PFE Days: Microsoft Irvine office: April 20th, 2015: Express Windows Performance Troubleshooting with Perfmon

Hi all, If you guys are in the Irvine, Orange County area, stop by for 2-3 hours of Windows performance troubleshooting demos using perfmon. Where?  Microsoft Irvine office Address:  3 Irvine Plaza 16th floor Suite #1600, Irvine, CA. 92614 When? April 20th, 2015 Time: 4:00 p.m. –7:00 p.m. PDT (UTC -7) Presenter:  Me (Yong Rhee)…


Coming soon: How to generate a kernel or a complete memory dump file in Windows Server 2012 and Windows Server 2012 R2

Applies to: Windows Server 2012 R2 Update 1 Windows 8.1 Update 1 Windows Server 2012 R2 Windows 8.1 Windows Server 2012 Windows 8.0 Originally published Apr. 2015, updated Jun. 2015, and Jan 2016.   It's been years since I wrote the following two articles to force a blue screen (for you *nix admin’s, a “Kernel…

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Debugging Tools for Windows: WinDbg/Adplus v10.0.10041.3

Applies to: Windows Server codename Threshold Windows codename Threshold (Windows 10) Windows Server 2012 R2 Windows 8.1 Windows Server 2012 Windows 8.0 Windows Server 2008 R2 SP1 Windows 7 SP1   The “Debugging Tools for Windows” version 10.0.10041.3 ships with the Windows WDK for Windows 10 Technical Preview (TP) or Windows SDK for Windows 10…

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Debugging Tools for Windows: WinDbg/Adplus v6.3.9600.17298

Applies to: Windows Server 2012 R2 Windows 8.1 Windows Server 2012 Windows 8.0 Windows Server 2008 R2 SP1 Windows 7 SP1 Update:  A newer version is now available. Debugging Tools for Windows: WinDbg/Adplus v10.0.10041.3 http://blogs.technet.com/b/yongrhee/archive/2015/04/05/debugging-tools-for-windows-windbg-adplus-v10-0-10041-3.aspx The “Debugging Tools for Windows” version 6.3.9600.17298 ships with the Windows SDK for Windows 8.1 Update 1. To download and…


Viewing multiple perfmon logs “file sets” at the same time.

  Applies to: Windows Threshold Server beta Windows Threshold (10) beta Windows Server 2012 R2 Windows 8.1 Windows Server 2012 Windows 8.0 Windows Server 2008 R2 Windows 7 Windows Server 2008 Windows Vista Windows Server 2003 Windows XP Windows 2000 Server Windows 2000 Professional Windows NT 4.0 Server Windows NT 4.0 Workstation   Symptom: =======…


WPT: Updated version of “Windows Performance Toolkit” from Windows 10 Technical Preview ADK or SDK

Updated version of the “Windows Performance Toolkit” (WPRUI, WPR, and Xperf) is now available (Feb. 2015) and it was updated Mar 2015: Windows Assessment and Deployment Kit (Windows ADK) for Windows 10 Technical Preview http://www.microsoft.com/en-us/download/details.aspx?id=45522 http://go.microsoft.com/fwlink/p/?LinkId=526733 or Windows Software Development Kit (Windows SDK) for Windows 10 Technical Preview: http://go.microsoft.com/fwlink/p/?LinkID=394136 More information: WPT: Installing the Windows…

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List of iSCSI related hotfixes post RTM for Windows Server 2012 R2

Applies to: Windows Server 2012 R2 Note:  You should check http://support.microsoft.com for the latest version of the different files. Note 2:  These are not available in Windows Update. Note 3:  You can download them without entering your e-mail address and captcha if you are a Microsoft Premier customer and have a http://Premier.Microsoft.com account. Note 4: …