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7/17/2020

Random bits of (hopefully) useful technical information on Windows, with a focus on understanding and troubleshooting.

Hyper-V Data Exchange Service & “Error 87: The parameter is incorrect” on startup

Recently we came across a case where Windows Server 2008 and Windows Server 2008 R2 servers running...

Author: Paul Adams (ex-MSFT) Date: 01/21/2010

Remote Desktop Client & credentials saved in UPN format

Another potential head-scratcher from a recent case… Consider the situation where you have a client...

Author: Paul Adams (ex-MSFT) Date: 01/19/2010

HTTP.SYS / Cryptographic Services / LSASS.EXE deadlock [addendum]

NOTE: This issue has been subsequently fixed in KB237901 for Windows Vista/Server 2008 SP2 (x86 and...

Author: Paul Adams (ex-MSFT) Date: 01/16/2010

End of an era… in 6 months

On July 13th 2010 2 significant things happen: 1. Windows Server 2000 is no longer supported 2....

Author: Paul Adams (ex-MSFT) Date: 01/15/2010

Pre-mortem debug analysis

We’ve looked at generating dumps of processes, the kernel or the entire set of used physical memory...

Author: Paul Adams (ex-MSFT) Date: 01/13/2010

Hyper-V Virtual Networks

The most common questions that I get on Hyper-V setups relates to the networking configuration, and...

Author: Paul Adams (ex-MSFT) Date: 12/06/2009

Booting from USB to install Windows 7 (take 2)

Previously I have mentioned a method to make a USB memory stick bootable in order to install...

Author: Paul Adams (ex-MSFT) Date: 10/23/2009

Patches – now served hot and cold

Maintenance (updates, bugfixes) for Windows has typically been through hotfix packages, but these...

Author: Paul Adams (ex-MSFT) Date: 10/13/2009

Terminal Services roaming profiles & password change at logon

NOTE: The issue described below has been subsequently fixed in KB971388 for Windows Server 2008 SP2...

Author: Paul Adams (ex-MSFT) Date: 10/02/2009

Capturing network traffic in Windows 7 / Server 2008 R2

Previously a capture filter driver had to be loaded in order to intercept and record all the packets...

Author: Paul Adams (ex-MSFT) Date: 09/10/2009

Network layer tweaks in Windows Server 2008

KB article 951037 describes some of the new features in the OS related to the network layer, some...

Author: Paul Adams (ex-MSFT) Date: 09/09/2009

Windows Server 2003 (x86) tuning for performance based on role

Yes, this is rather late in the day to start talking about W2K3 as we’ve had 2 new versions of...

Author: Paul Adams (ex-MSFT) Date: 09/03/2009

Installing Windows 7 from a bootable USB memory stick

During the beta testing of Windows Vista I used DVD-RW discs to burn daily builds every few days to...

Author: Paul Adams (ex-MSFT) Date: 09/02/2009

Invisible Windows

This is a quick tip on how to resolve what can be a totally baffling experience, at least the first...

Author: Paul Adams (ex-MSFT) Date: 08/31/2009

Windows NT History

As it has just turned 16 years since the release of the first “NT” version of Windows, I thought it...

Author: Paul Adams (ex-MSFT) Date: 08/04/2009

Managing a standalone R2 Hyper-V from domain-joined Windows 7 client

After doing an in-place upgrade of my Windows Server 2008 SP2 Hyper-V host to bring it up to Windows...

Author: Paul Adams (ex-MSFT) Date: 07/30/2009

What's So Special About The Pool?

One of the tools we use to troubleshoot pool memory corruption is the gflags.exe option...

Author: Paul Adams (ex-MSFT) Date: 07/15/2009

Tweaking for Performance (Disks & Volumes)

There are plenty of people that like to tinker with the operating system to “tune” it and hopefully...

Author: Paul Adams (ex-MSFT) Date: 06/21/2009

Service Packs – Levels vs Installers

Following the question left on the previous blog entry Branching Out, I need to clear something up...

Author: Paul Adams (ex-MSFT) Date: 05/29/2009

On Bandwidth and Latency

High bandwidth = good. Low latency = good. There is, however, no direct relationship between the two...

Author: Paul Adams (ex-MSFT) Date: 05/26/2009

Branching Out

Following on from the previous entry regarding hotfix packages and the branches, here is a...

Author: Paul Adams (ex-MSFT) Date: 05/18/2009

GDR, QFE, LDR... WTH?

Update 2012-04-16: Later related blog entries (as the topic grew in its scope and version...

Author: Paul Adams (ex-MSFT) Date: 05/14/2009

Who is more the spool – the spool or the spool who follows the spool?

The Print Spooler service (spoolsv.exe) in Windows is a very simplistic process with an important...

Author: Paul Adams (ex-MSFT) Date: 04/24/2009

The Ubiquitous Pagefile

Windows works with virtual memory - the sum of physical RAM installed and the current size of the...

Author: Paul Adams (ex-MSFT) Date: 03/13/2009

"Memory Camping"

On occasion, Windows may report a failure to start a new process due to insufficient virtual memory,...

Author: Paul Adams (ex-MSFT) Date: 12/22/2008

Virtualization in Vista

Before I begin: this section is not related to Virtual PC, Virtual Server, Hyper-V, App-V or any 3rd...

Author: Paul Adams (ex-MSFT) Date: 10/25/2008

Don't Trust All Your Eyes Tell You... (hard links in Windows Vista)

There are times when the Windows shell gives you incorrect information - not because it likes lying,...