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Hyper-V HyperClear Mitigation for L1 Terminal Fault

Hyper-V HyperClear Mitigation for L1 Terminal Fault

Introduction A new speculative execution side channel vulnerability was announced recently that affects a range of Intel Core and Intel Xeon processors. This vulnerability, referred to as L1 Terminal Fault (L1TF) and assigned CVE 2018-3646 for hypervisors, can be used ... continue reading

Hyper-V symbols for debugging

Having access to debugging symbols can be very handy, for example when you are A partner building solutions leveraging Hyper-V, Trying to debug a specific issue, or Searching for bugs to participate in the Microsoft Hyper-V Bounty Program. Starting with ... continue reading
Windows Event Viewer showing the Hyper-V-VMMS Admin log

Looking at the Hyper-V Event Log (January 2018 edition)

Hyper-V has changed over the last few years and so has our event log structure. With that in mind, here is an update of Ben’s original post in 2009 (“Looking at the Hyper-V Event Log”). This post gives a short ... continue reading

High CPU/High Memory in WSUS following Update Tuesdays

Updated 8/24/2017 – Hotfix information added. Recently, we’ve seen an increase in the number of high CPU/High Memory usage problems with WSUS, including WSUS in a System Center Configuration Manager environment – these have mostly corresponded with Update Tuesdays. Microsoft ... continue reading
Enabling Surface Laptop keyboard during MDT deployment

Enabling Surface Laptop keyboard during MDT deployment

Hi, my name is Scott McArthur and I am Supportability PM with commercial Surface. Today’s blog will discuss how to enable the keyboard on the new Surface Laptop during a Microsoft Deployment Toolkit deployment. The information in this blog could ... continue reading
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Hyper-V virtual machine gallery and networking improvements

In January, we added Quick Create to Hyper-V manager in Windows 10. Quick Create is a single-page wizard for fast, easy, virtual machine creation. Starting in the latest fast-track Windows Insider builds (16237+) we’re expanding on that idea in two ... continue reading

Copying Files into a Hyper-V VM with Vagrant

A couple of weeks ago, I published a blog with tips and tricks for getting started with Vagrant on Hyper-V. My fifth tip was to “Enable Nifty Hyper-V Features,” where I briefly mentioned stuff like differencing disks and virtualization extensions ... continue reading
You can also do this with PowerShell

Learning to Use Vagrant: Tips and Tricks with Vagrant and Hyper-V

A few months ago, I went to DockerCon as a Microsoft representative. While I was there, I had the chance to ask developers about their favorite tools. The most common tool mentioned (outside of Docker itself) was Vagrant. This was ... continue reading

Deploy Windows from USB drive to Surface Studio

Hi, my name is Scott McArthur and I am Supportability Program Manager in Surface. Today I am going discuss two scenarios involving deploying Windows 10 to Surface Studio. Today if you don’t follow the steps outlined below you will see ... continue reading
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