Updated in May 2022: For about a year or so now since MS made some tweaks and a growing confidence in the out of the box settings, the optimal position has changed on WS2019. Essentially leave VMQ in default settings for Windows Server 2019. A few months after this ranty
Read moreTag: hyper-v
Unable to delete duplicate cluster resource for Hyper-V VM
Quick tip: You find yourself with duplicate HA roles for a virtual machine and you’re unable delete the problematic resource… Symptoms: Duplicate cluster roles for a virtual machine. When attempting to delete, you get the error: Error code: 0x8007012f The file cannot be opened because it is in the process
Read moreLight up your Hyper-V Datacenter in minutes with OMS
In a recent project, the management were keen to see some dashboards and insights into their organizations shiny new infrastructure. Whilst SCOM gives some great data and statistics, it’s not overly helpful in demonstrating the high level view to management out of the box. This is where Microsoft Operations Management
Read moreManaging a Hyper-V Datacenter – Extra thoughts & tuning..
I will add to this post over time with anything I can recall that has helped in the tuning of the many environments I’ve worked on… Edited: 30/11 – Thoughts on Dynamic Optimization Before I continue, as usual I’ll try not to repeat what you can already find out there,
Read moreMythbusting: The truth about blades…
Hi all, this has been a long time coming but I wanted to share my thoughts and experiences on virtualization, Hyper-V and blades. Before we get started, I wanted to put this in context and give some reasoning as to the purpose of this post. Over the last 5 or
Read moreApplying updates (cab & msu) by batch file…
Another one from my toolkit.. Basically run this batch file from a folder with the required update files and it will install them all. Once it is finished it will prompt for any input to restart the server. Enjoy! Dan @ECHO OFF SETLOCAL ENABLEEXTENSIONS ENABLEDELAYEDEXPANSION FOR /R “%~dp0” %%A IN
Read moreSCVMM DataSize Property
Quick Tip!! So I was asked to create a custom property that gives a quick overview of the total size for the virtual disks on a VM So, leveraging of my DataStore script, I came up with the below.. Enjoy Note: This assumes you have created your custom property already
Read moreHyper-V 2012 R2 NVGRE Gateways Rebuild
Fast publish… will revisit later Scenario: Existing NVGRE gateways manual deployed. Working fine for ages. NAT resources failed to come online HyperV Network Virtualization Gateway role failed FOCM below Cluster resource xxxxxxxxxxxxxxxxxx of type ‘Nat’ in clustered role ‘HyperV Network Virtualization Gateway’ failed The Windows NAT Driver service
Read moreMigrate multiple VM’s from one Hyper-V cluster to another Hyper-V cluster with different Logical Switch using PowerShell.
Another fast publish! (I really should get back and clean these up…) Recently upgraded one of our Hyper-V clusters and had to migrate workloads to a new Hyper-V cluster. The naming conventions of our logical switches etc were different so when migrating a VM using Hyper-V manager we were prompted
Read moreSCVMM 2012 R2 – Refresh Host Cluster – Error (2912)
* Fast publish post – be nice.. In my Cloud OS demonstration environment recently I had a host in the cluster reporting “Needs Attention” status and refreshing the host cluster failed with “error 2912”. The Hyper-V Host was in “Needs Attention” status and performing any functions from VMM were failing.
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