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Editing a .VMCX file

In Windows Server 2016 we moved from using .XML for our virtual machine configuration files to using a binary format – that we call .VMCX. There are many benefits to this – but one of the downsides is that it ... continue reading

Uninstalling and reinstalling the Windows 2012R2 Failover Clustering feature

In some cases, it may be necessary to uninstall and reinstall the Windows Failover Clustering feature on a server that is currently a member of a Failover Cluster.  This can be done via either Server Manager, or PowerShell.  Below are ... continue reading

Building a KMS Host on Windows 8

Support Lifecycle: https://support.microsoft.com/en-us/lifecycle?C2=16796 This blog post is part of a series of posts, detailing the build process and activating capabilities of a KMS host on a particular host operating system. The operating system dictates which KMS host key (CSVLK) can ... continue reading
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Building a KMS Host on Windows Server 2008 R2

Support Lifecycle: https://support.microsoft.com/en-us/lifecycle?p1=14134 This blog post is part of a series of posts, detailing the build process and activating capabilities of a KMS host on a particular host operating system. The operating system dictates which KMS host key (CSVLK) can ... continue reading

New Hypervisor Top-Level Functional Specification

At the end of last week we published version 5.0 of the Hypervisor Top Level Functional Specification. This version details the state of the hypervisor in Windows Server 2016. You can download it from here: https://docs.microsoft.com/en-us/virtualization/hyper-v-on-windows/reference/tlfs Be warned – this ... continue reading

Giving a Workgroup Server an FQDN

Recently I needed to be able to securely, remotely manage a set of Windows Servers that were not domain joined. One problem that I hit while setting this up was that each of the servers did not believe that they ... continue reading
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Hyper-V vs. KVM for OpenStack performance

During the development of Windows Server 2016 we spent a lot of time working on delivering the best core performance as a cloud platform. At the same time the Cloudbase team have spent a lot of time optimizing the performance ... continue reading