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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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 ...
10
votes
2answers
7k 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 ...
6
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 ...
8
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.
11
votes
6answers
9k 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 ...
2
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4answers
1k views

what cpu will work with hyper v

how do i verify if a cpu has the necessary requirements to run hyper v ?
8
votes
7answers
14k 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: ...
1
vote
3answers
950 views

Hyper-V File Shares over Wide Ethernet Dramatically Slower

We recently moved a file share machine that runs on 2008 hyper-v to our data center from our local network and now it is periodically extremely slow. The networks are connected via wide ethernet. ...
8
votes
1answer
6k views

What's the difference between import virtual machines types in Hyper-V? [closed]

I was importing a virtual machine to my Hyper-V manager and I got 3 options: Register the virtual machine in place Restore the virtual machine in place Copy the virtual machine What's the ...
4
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2answers
15k views

How to enable sleep/standby on Windows Server 2012 Hyper V

I know it's possible because sleep works in HyperV under Windows 8. edit: I know this is probably not "supported".
2
votes
2answers
810 views

SQL Cluster install on Hyper V options

I've been reading up on running a SQL Cluster in a Hyper V environment and there seems to be a couple of options: Install guest cluster on 2 VMs that are themselves part of a fail over cluster. ...
1
vote
1answer
6k views

Hyper-V VM doesn't boot off SCSI hard drive

I've converted a VMWare VMDK to a VHDX. The guest is a Windows 8.1 VM. When this is attached to a generation-1 Hyper-V VM as an IDE drive, it boots up fine. When the same VHDX is attached to a ...
0
votes
1answer
854 views

Windows Server Hyper-V guests cannot see each other on network [closed]

I have a Hyper-V physical machine along with two standard laptops running within my LAN (connected by an ASUS-RT56U router). The physical server runs Windows Hyper-V Server 2008 R2, with two Windows ...
3
votes
1answer
695 views

Advice for Hyper-v deployment on windows server

We just bought two new servers that have windows server standard 64 bit sp2 on them. Relevant Hardware: Dual Xeon E5430 @ 2.66 16 Gig Ram 6 143 GB 15,000 RPM SAS SCSI on Raid 5 for total of 544GB Hard ...
2
votes
5answers
713 views

Linux clock loses 10 minutes every week

One of my linux server's clock loses 10 minutes every now and then, nearly every week. I update the time so it stays correct, and although it doesn't really bother me, i'd like to fix it. I've been ...
0
votes
2answers
475 views

Just a few questions about Hyper-V virtual machines and clustering

I have been using Microsoft’s Hyper-V technology for a little while now, but I am just now dipping my toe into clustering. In particular, I am trying to implement a fault-tolerant SQL DB. This ...
-1
votes
1answer
365 views

Using bridge connection to get ip access from guest in Hyper V

I want to access the internet on a dedicated second public ip from the guest. I have created an internal only network in Hyper-V Manager. The virtual network is in a bridged connection to the ...
21
votes
4answers
37k views

Does Windows 7 support Hyper-V Manager?

Does Windows 7 support running Hyper-V Manager?
27
votes
4answers
2k views

Should I still have a physical DC, even post-Server 2012?

Back in the pre-Windows Server 2012 days, the recommendation seemed to be to have at least one physical domain controller sat along-side your virtualised DCs. One justification for this was because ...
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. ...
4
votes
2answers
3k views

Running an Active Directory Primary Domain Controller as a virtual machine?

Should the Active Directory PDC always be a physical machine or would it be okay to run it in a VM? What are the implications/trade offs/gotchas? As a corollary to this, what about running a physical ...
7
votes
6answers
24k 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). ...
3
votes
3answers
2k views

Best practice to disable SpeedStep for Hyper-V hosts?

I'm analyzing a problem where performance of CPU-bound workloads inside virtual machines often (not always) is way below what we would expect based on the underlying hardware. We're using Hyper-V on ...
2
votes
2answers
2k views

IPFire firewall under Hyper-V. How to get synthetic devices working?

The latest version of IPFire (v2.7 core 38) uses the linux 2.6.32.15 kernel. This includes Microsoft's Hyper-V synthetic drivers. How do I get them working? When IPFire boots, it loads the hv_vmbus ...
10
votes
7answers
24k 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 ...
5
votes
4answers
2k views

Incredibly high latency for Ubuntu guest on Hyper-V

I've got several Ubuntu 10.04 virtual machines running as Hyper-V guests on Windows Server 2008 R2 SP1 and they're all perfectly fine. Today I installed my first Ubuntu 11.10 virtual machine and I'm ...
4
votes
3answers
6k views

Virutal Machine loses network connectivity on Hyper V Cluster

We're running a number of VMs on a 6 node failover cluster of blades using Hyper V. We have an intermittent issue (every few days at different times - not a fixed frequency) of VMs losing network ...
4
votes
3answers
255 views

Updating Windows Servers

As a student I've not had much experience with the practice of setting up and managing networks. There's a question I've had for a while now, that my teacher wasn't able to explain to my satisfaction ...
3
votes
2answers
1k views

INACCESSIBLE_BOOT_DEVICE on Hyper-V 2012 R2 virtual machines

I have a Hyper-V 2012 R2 cluster, 4 Dell PowerEdge R620 servers connected to a Dell PowerVault MD3600F storage array by means of FC connections; it's all pretty straightforward, all servers run ...
3
votes
1answer
75 views

Hyper-V 2012 R2 Generations

Can anyone differentiate between generation 1 and generation 2 in details? Just like a comparison to make to much more clear. Thank you
3
votes
2answers
2k views

Windows Server 2012 and Ubuntu 12.04.1 under Hyper-V

I've set up an instance of Ubuntu 12.04.1 LTS under Hyper-V 2012. However it seems to be nondeterministic as to whether or not it completes the boot process. I get a Kernel Panic, "IO-APIC + timer ...
3
votes
2answers
1k views

Set up DPM to use hardware VSS Provider with EMC Clariion SAN

We recently purchased an EMC Clariion AX4 SAN and we're using it to provide storage for our Hyper-V virtual machines. I've already got the servers registered with it and configured the failover ...
3
votes
6answers
5k views

HyperV on Domain Controller or DC on HyperV?

I want to setup a little fileserver/domain controller/sharepoint server. SharePoint shouldn't run on the DC directly, so I want to use HyperV. But I never used it before, so I wonder: Should I ...
2
votes
1answer
1k views

Windows Server 2008 hangs up while booting

Windows Server 2008 hangs up while booting after Windows update applied several updates. The server is a virtual instance on a Server 2008 Hyper-V host. Other virtual servers are fine, but have not ...
1
vote
2answers
1k views

RHEL 5 Hyper-V Guest - Cannot sync with NTP after kernel upgrade

I'm running a RHEL 5 (64 bit) guest on Microsoft Hyper-V. I've always had trouble with the clock getting way ahead of itself, which I was able to solve previously by adding divider=10 ...
1
vote
2answers
3k views

Small Business Server with Hyper-V role despite it not being supported?

I know that adding the Hyper-V role to a Small Business Server 2008 installation is not supported as stated by Microsoft Support (KB 958829). I'm aware that I can use Virtual Server 2005 to host my ...
0
votes
3answers
838 views

How can I install Powershell on Microsoft Hyper-V Server 2008?

I am running the stand-alone version of Hyper-V, Microsoft Hyper-V Server 2008, and would like to install Powershell. Ill be using it to use the Management Library script. How can I do this? Thanks, ...
7
votes
5answers
12k 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 ...
4
votes
1answer
1k views

Hyper-V cluster with different cpu

i have these three servers with different CPU : First Server : Intel Xeon E5645 2.4Ghz 12M Second server : Intel Xeon X5660 2.8Ghz 12M Third Server : Intel Xeon X5550 2.6Ghz 8M I want to install ...
4
votes
1answer
2k views

What is the proper Hyper-V R2 with Teamed Broadcom BCM5709C NICs configuration (VMQ, TOE, LSO, CSO, etc.)?

I have a pair of Dell PowerEdge R710 servers (2x Xeon X5690s, 64GB, 8x BCM5709C NICs) running Windows Server 2008 R2 Datacenter. They're backed by a Dell PowerVault MD3200 with 3.6TB in RAID 10 ...
4
votes
1answer
632 views

Virtual Machine Manager 2012 CPU Average

What exactly is the CPU Average field in VMM 2012 showing me? I'm running Server 2008 R2 with VMM 2012. My server has 2x16 core CPUs installed. An example virtual machine has 4 virtual processors, ...
4
votes
2answers
4k views

Cannot connect to a Hyper-V Virtual Machine

I've been setting up a Windows Server 2008 R2 locally - all went well, and I added the Hyper-V role. Then I created a new VM using the Hyper-V Manager, and added a dynamic VHD. I could start the VM ...
4
votes
7answers
453 views

Will Hyper-V always be free?

So far we've done limited tests using VMWare ESXi and Citrix Xen and they're both working well. We now want to do some serious testing with copies of our production systems but before doing so I want ...
3
votes
1answer
4k views

Hyper-V and AD --> recommendations for small site? [closed]

I have a dilemma about how to proceed with new AD / Hyper-V installation and would appreciate your views, experience and advice. Situation: we are a small company with single site (25 users) and few ...
3
votes
3answers
964 views

How to find virtualization performance bottlenecks?

We have recently started moving our C++ build server(s) from real machines into VMs. (MS Hyper-V) We have some performance issues that I've currently no idea how to address. We have: Test-Box - ...
3
votes
1answer
1k views

Nagios XI Virtual Server on Hyper-V - Networking

I'm trying to get the Nagios XI virtual machine working on Hyper-V (yes, I know it's not a supported config). I'm trying to get it on the network to download some packages so that I can then install ...
3
votes
3answers
2k views

How to create IDE-based boot, SCSI-based system disks in Hyper-V Guest

I've been trying to get my mind around this one for the last hour, if anyone has a pointer to who it's done I would appreciate it: Background: Our VMWare ESXi guests use scsi-based virtual disks all ...
3
votes
1answer
1k views

Backup strategy for Windows Server 2008 R2 and Hyper-V

I am in the process of planning a Hyper-V deployment with SCVMM 2008 R2. I have several VMs on VMWare Player (temporary solution) for stuff like Sharepoint 2007, 2010, and a couple of other server ...
2
votes
1answer
168 views

Where should SCCM be installed in a small system?

Server 2012 R2 host running all VM servers to support a small IDE After collating guidance regarding SCEP I've decided to go ahead install SCCM even though I only initially need SCEP. (I figure I'll ...
2
votes
3answers
1k views

Virtual Machines List from PowerShell vs PowerShell ISE and PowerGUI

I am confused to why I have different information based on where I try to retrieve it from. I have 3 Windows 2012 servers (G0, G1, and G2) running Hyper-V. The following situation is captured from one ...