if (ms) blog++;

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

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  • Blog Post: Hyper-V Virtual Networks

    The most common questions that I get on Hyper-V setups relates to the networking configuration, and it seems to be common thing to get wrong, so I’ll try to go through the 3 types of virtual network we have, and how they differ.   A private network can only be used by the child partitions, so consider...
  • Blog Post: 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 under Hyper-V were all failing to start one of the (five) Integration Services offered by the host. The services created by the Integration Services are: Hyper-V Data Exchange Service Hyper-V Guest Shutdown...
  • Blog Post: VM Networking Improvements in Hyper-V in Windows Server 2008 R2

    On the What's New in Windows Server 2008 R2? page you can see one of the improvements for Hyper-V has been improved virtual networking performance, and specifically “offloading” has been extended through to the child partitions for those physical NICs that offer it. I did an in-place upgrade of my home...
  • Blog Post: VDI Connection BrokeN?

    There a couple of step-by-step guides available for setting up VDI deployments that are very good reads: Deploying Virtual Desktop Pools by Using RemoteApp and Desktop Connection Step-by-Step Guide Deploying Personal Virtual Desktops by Using Remote Desktop Web Access Step-by-Step Guide   One minor...
  • Blog Post: Windows 8 Release Preview, Windows Server 2012 Release Candidate available for download

    Windows 8 Release Preview is here . x86 and x64 ISO images available for download. Windows Server 2012 Release Candidate is here . ISO image (product only ships as x64) and pre-installed VHD available for download. Both are based on build 8400 of common source code. The last set of scale/support figures...
  • Blog Post: Avoid expansion if you’re snap-happy

    Occasionally the purpose of snapshotting VMs in Hyper-V is misunderstood (and hence misused), and people find that their initial guesstimate as to required disk space was insufficient, so try to extend it after the fact. If there was an eleventh commandment, it should possibly be “ Thou shalt not expand...
  • Blog Post: 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 Server 2008 R2, I decided to have a bash at setting up the Hyper-V management tools on my Windows 7 client. My setup is as follows: w2k8 - Windows Server 2008 R2 x64 - Standalone server - Hyper-V role...
  • Blog Post: Hyper-V VMs in a Lab Environment

    Before I start, a note on “differencing disks”… these are .AVHD files which contain a list of the changed sectors when compared with a parent VHD, and their data, and they are always dynamic. Without its parent, a differencing disk is useless – they can be considered similar to a “differential backup...
  • Blog Post: SCVMM Self-Service Portal

    The Self-Service Portal is a web application provided as part of the System Center Virtual Machine Manager, and allows “non admin” users to be able to work with specific VMs, and possibly even have the right to deploy new ones. Being a web application, the interface is accessed via a browser – the opening...
  • Blog Post: Hyper-V VM State Dump Tool

    vm2dmp is a newly released tool to create a complete memory dump of a Hyper-V virtual machine: http://code.msdn.microsoft.com/vm2dmp Along with the Debugging Tools for Windows , it can be used to view the valid memory pages of a virtual machine’s snapshot state or saved state. Very useful if you have...