Entries by Remko Weijnen

STOP: 0x0000005D when booting Windows PE

I was booting a new VMWare Virtual Machine with Windows PE through Altiris for initial deployment but Windows PE halted with a BSOD: 0x0000005D means UNSUPPORTED_PROCESSOR (defined in bugcodes.h) so I expected there was a x86 vs x64 problem. The VM was configured for a 32 bit OS: The Altiris Job was configured to use […]

Insufficient disk space on datastore ''.

A Virtual Machine that I just created on VSphere failed to power on, after a very long wait it failed with an Insufficient disk space on datastore ”. error. It seemed like it was unable to create the swapfile and I could see in the Datastore that it tried to create the vswp file and […]

Windows 2003 align OS disk

If you read one of VMWare’s Best Practices Guides (in my case this one) then you may have read that it’s important to align guest partitions. We can do this (for Windows OS) using the DiskPart tool that comes with the OS since Windows 2003 SP1 (there is a hotfix for earlier versions). On Windows […]

Booting a Virtual Machine from USB Drive

I wanted to boot a Virtual Machine from an USB Stick but even though you can Connect USB devices to VMWare you cannot boot from it. It can be done however using a boot manager that is able to perform a boot from USB media. I used Plop Boot Manager. Download one of the stable […]

VMWare Best Practices for virtualizing Citrix XenApp

VMware has just released a very interesting Best Practices document, Citrix Xenapp on VMWare Best Practices. The document contains the following chapters: Citrix XenApp Architecture on vSphere ESX Host Best Practices for Citrix XenApp Citrix XenApp on vSphere Best Practices Monitoring Performance vSphere Enhancements for Deployment and Operations Remko WeijnenWas once an enthusiastic PepperByte employee […]

Performance Test for Internet Connection

Microsoft has just put a Performance Test online that tests several aspects of your internet connection (to Microsoft Online Services). As may expect it does a speedtest: But it also gives you insight into Routing: And an analysis: Speed Graphs: And a summary: The link is http://speedtest.emea.microsoftonline.com/ Remko WeijnenWas once an enthusiastic PepperByte employee but […]

AES-NI Benchmarks

As you may know, recent Intel processors have an extension to the x86 instruction set called Advanced Encryption Standard Instruction Set (AES-NI). AES-NI is basically hardware support for AES based encryption and because I had a chance to run some benchmarks on differing systems I was curious what the impact of AES-NI would be. I […]

Office Communicator 2007 R2 crashes after sign on

After I uninstalled Office 2010 64 bit and installed Office 2010 32 bit I had a problem with Office Communicator 2007 R2. After entering my password and clicking sign in it crashed every time: In the EventLog an Application Error was recorded with some additional error info: Event Type: Error Event Source: Application Error Event […]

Office 2010 cannot remove registry key

I have worked with Office 2010 x64 for a while now but because of compatibility issues I wanted to remove it and install the x86 version instead. After uninstall Office left a key in the registry: HKEY_LOCAL_MACHINESOFTWAREMicrosoftOfficeCommonSmartTagActions{B7EFF951-E52F-45CC-9EF7-57124F2177CC} I couldn’t remove it so I figured there was a specific process that had opened this key but […]

Remko Weijnen

Name Remko Weijnen Function Senior Consultant Personal Blog remkoweijnen.nl/blog Remko WeijnenWas once an enthusiastic PepperByte employee but is now working elsewhere. His blogs are still valuable to us and we hope to you too.