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…


Event ID 157 "Disk # has been surprise removed"

Hello my name is Bob Golding and I would like to share information on a new error you may see in the system event log. It is Event ID 157 "Disk <n> has been surprise removed" with Source: disk.  This error indicates that the CLASSPNP driver has received a “surprise removal” request from the plug…


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…


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…


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,…


An update for ADMT, and a few other things too.

So, we’ve been quiet for a few months, which is extraordinarily embarrassing after I basically told everyone that we were going to not do that. The reality of what we do in support is that sometimes it’s “All Hands on Deck”, which is where we’ve been lately. At any rate, here’s some assorted news, updates,…


Setting up a Passive FTP Server in Windows Azure VM

This post is authored by Lalitesh Kumar, Pradeep M G and reviewed by Avinash Venkat Reddy. Also special thanks to Adam Conkle and Craig Landis for providing the "points to consider from Azure SLB perspective".   FTP may run in active or passive mode. Passive mode is extensively used to solve the issue of the client…

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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 1.0.1.282 Support for Windows Server 2012 R2 hyper-V Hyper-V Extended…


Understanding the temporary drive on Windows Azure Virtual Machines

Special thanks to our WATS Linux experts- Joao Madureira, Vittorio Franco Libertucci and Patrick Catuncan for reviewing this post.   When you create a VM in Windows Azure you are provided with a temporary storage automatically. This temporary storage is “D:” on a Windows VM and it is “/dev/sdb1” on a Linux VM.   This…

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