Microsoft Hyper-V is a hypervisor-based virtualization system for x86-64 systems. Hyper-V exists in two variants: as a stand-alone product called Microsoft Hyper-V Server 2008, and as an installable role in Windows Server 2008 R2 and Windows Server 2008 (the former containing the later release of ...

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When deploying a single server on new hardware, do you virtualize it or not?

There are a few questions that I've found on ServerFault that hint around this topic, and while it may be somewhat opinion-based, I think it can fall into that "good subjective" category based on the ...
20
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4answers
36k views

Does Windows 7 support Hyper-V Manager?

Does Windows 7 support running Hyper-V Manager?
20
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5answers
18k views

Hyper-V and Hyper-threading: On or off?

With the new Xeon CPUs supporting Hyper-threading, what is the current wisdom with regard to using it (or not) on a Hyper-V host machine? I was originally under the impression that turning it on in a ...
17
votes
11answers
941 views

Windows desktop virutalization instead of replacing work stations

I'm head of the IT department at the small business I work for, however I am primarily a software architect and all of my system administration experience and knowledge is ancillary to software ...
17
votes
5answers
639 views

Is there a reason to give a VM a round base-2 amount (2048MB, 4096MB, etc) of memory?

The title pretty much says it all, is there any advantage to giving a VM 2048MB of memory instead of rounding to base-10 and doing 2000MB?
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4answers
1k views

What are the benefits of “enterprise-level” virtualization?

For a company with modest virtualization needs - VirtualBox is currently doing fine at hosting a few light servers - what would some of the benefits be of moving to a more robust platform? I'm ...
15
votes
8answers
90k views

Hyper-V on Windows 7?

I'm running the new Windows 7 RC x64. I would like to set up a couple of virtual servers running on the same box as my desktop OS. I know that I can do this with some of the other virtualization ...
15
votes
4answers
2k views

Physical disk or VHD for Hyper-V R2

Using Hyper-V, what are the pros/cons of using the "Physical Hard Disk" option when adding a drive to a VM as opposed to just creating a fixed-size VHD that is as large as the disk? The intention is ...
12
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4answers
6k views

Hyper-V Cut-n-Paste

I use Hyper-V on a development machine for multiple reasons and one of my biggest annoyances is that I can't cut and paste to/from the virtual machines. I've been through all the options and can't ...
11
votes
6answers
8k views

Hyper-V and Drobo Pro

I'm considering getting a fully loaded Drobo Pro and using it to store VHDs that would run our on a pair of Hyper-V host machines. The host machines would connect to the Drobo Pro via iScsi. Anyone ...
10
votes
3answers
854 views

Hyper-V Manager: right-clicking on local or remote VM crashes MMC snap-in

I have a Windows Server 2008 R2 Enterprise SP1 machine that I log into and use to manage virtual machines running on multiple Hyper-V servers on our domain. Sometimes, when I right-click on a local or ...
10
votes
7answers
22k views

How do I convert a VMWare VMDK HDD file to a HyperV VHD file?

What's the best way to convert a VMWare VMDK HDD file to a HyperV VHD file? I've been tasked with converting our environment to HyperV for evaluation purposes. We are MSDN subscribers, so the MS ...
10
votes
1answer
350 views

How do I convert a vhd to a wim file?

I just setup and sysprepped a nice new VM, now I need to convert it to a wim real quick, to upload to my sccm server. For some reason, I can't change the VM properties to boot from a legacy nic for ...
10
votes
3answers
776 views

Server 2012 hyper-v3 live migration

I am trying to do my first live migration with Windows server 2012 hyper-v 3.0. I have two servers joined into a domain.local domain and both are hypervisors with constrained delegation setup. Each ...
9
votes
3answers
539 views

Updating Hyper-V Server 2012 (free version)

I am setting up a cluster of Hyper-V Server 2012 machines. I've got remote access to the machines via windows 8 and the various remote management consoles. I can't seem to figure out how to run ...
9
votes
2answers
21k views

Hyper-V Server R2 - Disk management MMC returns RPC Server is unavailable

does someone faced error "The RPC server is unavailable" during connecting to Disk management MMC console to Hyper-V Server R2? Servers are in the same AD domain and MMC console is enabled on Hyper-V. ...
8
votes
2answers
13k views

Can Windows Server 2012 run as a guest VM under Server 2008 R2 Hyper-V Host?

Can Windows Server 2012 run as a guest virutal machine under a Windows Server 2008 R2 Hyper-V host? If so, are there any important or notable restrictions on what the guest OS can do running in this ...
8
votes
4answers
992 views

Any technical reason to install “real” windows to run a hyper-v only server?

Please ignore licensing questions here. Is there any technical reason not to "only" use Hyper-V Server (the free version) to run a Hyper-V cluster? From a pure feature comparison it looks like the ...
8
votes
2answers
4k views

How to monitor CPU usage and performance on a Hyper-V server with several VM's

I have a server that is running Windows 2008 64 bit Hyper-V, with 8 gigs of RAM and Intel Xeon X3440 @ 2.53 Ghz, which gives me 8 logical cores in the performance monitor on the host system. I have ...
8
votes
1answer
380 views

Why do a few of my customers lose HTTP connectivity for brief periods?

I am running IIS 7.5 on Server 2008 R2 virtualized on a Windows Core 2008 R2 server on Intel server hardware sitting behind a Sonicwall firewall. For a number of months now, we've had a trickle of ...
7
votes
2answers
4k views

Virtualized firewall under Hyper-V?

We are currently considering installing an instance of pfSense on our Hyper-V R2 based server to act as a content filter, captive portal and general firewall. Although it is usually bad practice to ...
7
votes
3answers
331 views

Is dedicated one NIC to a virtualized DC overkill?

Host Server: Dual Xeon E5530's 24 GB Ram 4x 1GB NIC's (operating at 100MB because of 100MB maanged switch) Server 2008 R2 Enterprise with Hyper-V Role + BackupExec 2012 backing up to NAS ...
7
votes
7answers
12k views

Hyper-V Machine drifts time all over, even with NTP

Resolved The problem was Hyper-V on that machine. I removed Hyper-V, installed VMware Server, ran the same VM. Time sync issues went away (< 100ms difference after a day). My setup is like this: ...
7
votes
4answers
2k views

USB access from guest in Hyper-V

Can a Hyper-V guest operating system access a USB device connected to the Hyper-V host? If so, how can I set this up?
7
votes
3answers
1k views

What are the advantages of using Hyper-V's synthetic drivers?

We are moving our virtualization platform from Citrix's XenServer to Hyper-V on Windows Server 2008 R2. As part of this project I need to migrate, in one form or another, some Debian Linux servers ...
7
votes
5answers
4k views

Extremely slow file transfers to Hyper-V VM on local machine

I am attempting to transfer a 1.3GB file from my local machine (Windows 8) to my local hyper-V instance (Windows 2012). The transfer begins at about 300kb/s and then swiftly drops to 12-20kb/s. The ...
7
votes
1answer
2k views

Can Hyper-V run in a virtual machine?

Ok, we all know (or should know) that Microsoft's answer is a plain "NO!". But we also know that recent hypervisors can support nested/recursive virtualization, provided the underlying CPU offers ...
7
votes
5answers
2k views

Is it possible to cause artificial network packet loss or latency?

I'm trying to reproduce some issues on a deployed application where the MSSQL server and client are running in two separate machines. I think there may be network issues between the two machines, so ...
7
votes
2answers
238 views

Limiting the amount of guests on a Hyper-V host

Is anyone aware of a way to limit the number of hosts allowed on single Hyper-V host? Either by quantity or resource usage? We are planning on using SCVMM and MS Lab Manager for a development lab ...
6
votes
6answers
7k views

Is Hyper-V Server 2008 working on Intel's Atom platform

Did anybody try to install Hyper-V on Intel Atom platform? Hyper-V requires: x64 compatible processor with Intel VT or AMD-V technology enabled Hardware Data Execution Prevention (DEP) It seems ...
6
votes
10answers
972 views

Does running one Virtual Machine on a HYPER-V box make sense?

I am considering running HyperV for all my servers, because backup and disaster recovery plans are easier, when I can move the images around to any hardware and not have to worry about drivers. ...
6
votes
4answers
952 views

Is Hyper-V a real hypervisor

According to Wikipedia, there are Hyper-V and Hyper-V server. Ok... Hyper-V server doesn't need an OS to run, so it is true Hypervisor. But what about Hyper-V inside windows2008, is it a "type 2" ?
6
votes
6answers
10k views

Why are my HyperV VM's randomly losing connectivity?

I have a strange intermittent connectivity problem happening about once every two weeks. First my configuration: I am running a HyperV failover cluster with two physical hosts (node01 and node02). ...
6
votes
1answer
10k views

“The wait operation timed out” when running SQL Server in Hyper-V

I'm running SQL Server (2012) on a Hyper-V instance. It has plenty of resources and 25% reserved of the total resources, the VHD is placed on a very fast SSD drive for quick response times. Every now ...
6
votes
2answers
24k views

Running Mac OS X on Hyper-V

I have my workstation setup with a Windows Server 2008 running Hyper-V. Now I really want to install OS X for testing purposes. Have anyone had any success running Mac OS X in an Hyper-V environment? ...
6
votes
1answer
9k views

Command line backup of running Hyper-V images using Volume Shadow Copies (VSS) and Diskshadow.exe

I need to backup running Hyper-V virtual machines with minimal downtime via a command prompt. Backups should be stored on another local disk or remote share.
6
votes
2answers
6k views

Number of logical processors per VM?

I have a server (quad core) running Windows Hyper-V Server 2008 R2 with two Windows Server 208 R2 Standard guest virtual machines. I've noticed the number of logical processors setting (under the ...
6
votes
5answers
2k views

Hyper-V Cluster with failover - NETWORKING

We are looking to setup a 3 node Hyper-V cluster with live migration and failover using: 3 x Dell R710's with dual quad core Xeon & 128 GB RAM & 6 NICs in each 1 x Dell MD 3220i SAN We ...
6
votes
1answer
3k views

How to create a Hyper-V Internal network

I have a Windows 2008 server running multiple Hyper-V guests. I want to create a Hyper-V "Internal" network. So far, I cannot get anything to communicate. I created the Internal network adapter in ...
6
votes
2answers
1k views

How to get Linux udev to play nice with Hyper-V IC synthetic network driver

I managed to get the Debian 6.0.1 to work with the Microsoft Hyper-V synthetic drivers, thanks to this question. However, if I don't remove the entry for the synthetic ethernet card from ...
6
votes
1answer
186 views

Microsoft System Center Virtual Machine Manager

Ok, We are ready to deploy our first Hyper-V server with 3 VMs. Just wanted to get other peoples thoughts on Microsoft SCVMM. Do we really need it with only 1 host server? It seems like a good option ...
6
votes
3answers
1k views

Backing up Hyper-V Server?

I've got a Hyper-V Server 2008 (i.e. Core) box running the following: A Windows 2008 domain controller and fileserver. A backup domain controller (also Windows 2008). An Ubuntu server web server. ...
5
votes
4answers
2k views

Is it necessary to have RAID in a virtual machine?

I have a Windows 2008 Enterprise on RAID 10 running Active Directory, Hosted Exchange, and a web server on HyperV VMs. Do I need a virtual RAID for Exchange? If so, why? Edit: thanks everyone for the ...
5
votes
2answers
3k views

Why does increasing logical processors in Hyper-V for virtual machine increase performance.

To my understanding, virtual machines (assuming relative weight is even) get an equal share of the processor. When the VM is given some processing time, it shouldn't matter if the VM is seeing a ...
5
votes
8answers
12k views

Ubuntu 10.04 Server on Hyper-V Server R2 has sluggish install and command line

I've installed Ubuntu Server 10.04 (64 bit) on a Hyper-V Server R2. I've encountered two issues that I think are related: Very slow install Very slow command prompt The text-mode installer goes ...
5
votes
2answers
2k views

Run Linux on Hyper-V Server

I'm planning to host a few Linux servers on commodity hardware (the one I can buy from newegg.com for less than $1,000). I had very bad experience regarding hardware support in Linux. I'm not sure ...
5
votes
3answers
232 views

Installing Hyper-V

Just wondering if someone could help with the following. I have a HP Proliant DL140 Server and wanted to install Win Server 2008; however, during Windows installation it cannot see the HD and I have ...
5
votes
5answers
5k views

Hyper-V Requirements, disk partitioning

My rule of thumb for a physical server was fast random access disk (VelociRaptor/SSD) for OS, and large disks for data (e.g. WD Caviar). How does that look for a Hyper-V that should run two virtual ...
5
votes
1answer
848 views

Hyper-V spontaneously pauses all VMs

I just had an odd thing happen with a Hyper-V server that has 4 guest VMS running on it. The host server and all guests are Server 2008 R2 SP1. I logged into one of the guest VMs using Remote Desktop ...
5
votes
6answers
8k views

Installing Domain Controller on Hyper-V Host

Given a resource limited setup consisting of 2 host machines (HyperV-01 and HyperV-02), is it OK to put the domain controllers in parent partition, instead of their own VM? The main reason is that ...