I/O Performance impact of running Start-DedupJob with –Priority High

My name is Steven Andress and I am a Support Escalation Engineer with Microsoft’s Platforms Support Team.  This is a short blog post to alert you to a condition you might encounter when running a deduplication job using the Start-DedupJob PowerShell cmdlet.  Start-DedupJobhttp://technet.microsoft.com/en-us/library/hh848442.aspx Start-DedupJob [-Type] <Type> [[-Volume] <String[]> ] [-AsJob] [-CimSession <CimSession[]> ] [-Full] [-InputOutputThrottleLevel… Read more

Free ebook: Introducing Microsoft System Center 2012 R2

If you work with Hyper-V, you very well also use System Center to manage it.  If you do not use System Center, you should download this free ebook and give it a review. We’re happy to announce a new free ebook – Introducing Microsoft System Center 2012 R2 by Mitch Tulloch with Symon Perriman and… Read more

Cannot Extend Simple Virtual Disk in Windows Server 2012 R2

I’m writing this blog to help shed some light on extending simple virtual disks in Windows Server 2012 R2.  We have had questions from various customers that have been using simple virtual disk and need to add more space to them. Let’s say you used Server Manager to create a new Storage Pool called “Storage… Read more

Unable to launch Cluster Failover Manager on any node of a 2012/2012R2 Cluster

When Failover Cluster Manager is opened to manage a Cluster, it will contact all the nodes and retrieve Cluster configuration information using WMI calls. If any one of the nodes in the Cluster does not have the cluster namespace "root\mscluster" in WMI, Failover Cluster Manager will fail and give one of the below errors: Or,… Read more

Hyper-V Management Pack Extensions 2012 / 2012R2 Available

We have published the last release of the Hyper-V Management Pack Extensions with support for Windows Server 2012 R2 Hyper-V. Please update your current HyperVMPE 2012 with this latest release from codeplex. Hyper-V Management Pack Extensions 2012 / 2012 R2 http://hypervmpe2012.codeplex.com/ New features on release Support for Windows Server 2012 R2 hyper-V Hyper-V Extended… Read more

Unable to create a Storage Space in Windows 2012 R2 when using Windows Azure data disks

We recently determined Windows 2012 R2 Storage Spaces is incompatible with the virtual hard drives (VHDs) created by Windows Azure for use as data disks. Not only will the disks not enumerate in Server Manager, but they will also show up as CanPool=false when enumerated using Get-PhysicalDisk in PowerShell. The same VHDs work fine when… Read more

Windows Server 2012/2012R2 – When Physical disks are attached to a virtual machine, Hyper-V Replica will have to be disabled

Hello Everyone, Many of you have come across issues with respect to Hyper-V replication in Windows Server 2012 and 2012R2. In this blog, we are going to address an occurrence that you might run into when enabling Hyper-V Replica. In Replica, you cannot enable a Virtual Machine with a physical disk attached to it (iSCSI,… Read more

Activating virtual machines via Automatic Virtual Machine Activation in Windows Server 2012 R2

Hello, My name is Mayank Sharma and I am a Support Engineer in Windows Platforms Support Team. In this blog, I am going to discuss a very exciting addition to Windows Server 2012 R2, called as AVMA (Automatic Virtual Machine Activation). As the name suggests, this feature allows automatic activation of virtual machines running on… Read more

Window 8 / Server 2012 computers reboot outside of maintenance window after installing updates

Currently, Windows 8 and Windows Server 2012 RTM computers check for updates from Windows Update or Windows Software Update Services (WSUS) daily at a default time of 3:00 AM (configurable) as part of an automatic maintenance task which runs every day. If any of the updates applied required a reboot, clients and servers may reboot… Read more

Duplicate Windows Folders

Hello my name is Shasank and today I am going to discuss a customer issue that we recently worked on where a customer reported that Windows Explorer was displaying two Windows directories and Windows Explorer (or powershell) could not remove the folder. For example: Both folders had the same content.  This extra \Windows folder was created… Read more