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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Why does Hyper V differs in authentication methods for live-migration and replication

Hyper-V provides different authentication methods for replication and live migration (2012 R2 based). Live Migration is using CredSSP and Kerberos and replication Kerberos or PKI-based authentication. ...
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1k views

Adding virtual NIC to HyperV VMs killed my network speed

I have a pretty simple configuration: Windows Server 2012 Hyper V Host, with two VMs (both Server 2012), one for IIS, one for SQL Server. They're all connecting through the physical NIC Last night I ...
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1answer
19 views

Hyper V 2012 and SQL Cluster Live migration

I've been doing allot of searching and even asked around here at the office without a good answer. I would like to know, within Server 2012 R2 Hyper V, can you or can not do a storage migration of a ...
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Hyper-V Replica Capacity Planner stuck getting VM information

I'm trying to use the Capacity Planner for Hyper-V Replica tool to estimate requirements for a replica site. It keeps getting stuck "Getting the VM and VHD from primary site, this can take upto ...
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1answer
56 views

Allow Non-Technical Staff to reboot a Hyper-V VM

I have a Hyper-V host machine with a number of guests. One of the guests is a Linux VM running a vendor app that isn't exactly the most robust piece of software in the world. About once per week, ...
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23 views

Windows 2012R2 hyper-v guest diskless - boot from iscsi guide?

I am attempting to build a generation 2 W2012R2 hyper-v server guest that, configured with no disk or vhd , will select it's iscsi o/s disk via Microsoft dhcp and boot Windows 2012 R2. Note that I ...
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Why Hyper v 2012 server does not show up MMC option

I have remotely logged on to a Hyper V 2012 server which is in domain from a windows 2012 server through remote desktop connection and after login the first thing which was configured to run ...
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1answer
147 views

Hyper-V offline migration between AMD and Intel Processors

I have an existing 3 server hyperv cluster using Dell R715 AMD machines. Now I'm planning out what to do if our server room is damaged in a disaster. The plan is to have a single, fairly powerful, ...
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31 views

SCVMM 2012 R2 - unable to connect to VM console

I've added a Server 2012 R2 host to VMM 2012 R2, and created a VM on it. When I right-click on the VM and try to connect to the console, I get: "This computer can't connect to the remote computer. ...
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57 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 ...
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1answer
80 views

Migrating windows server 2008 r2 hyper-v cluster to Server 2012 r2

I did some browsing of the existing articles regarding this question but I couldn't find it so I apologize if I simply missed it. My current setup: 1 x 2008 R2 Hyper-V Cluster 3 x Windows Server ...
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2answers
59 views

Hyper-V File Server Backup [closed]

I have some questions that I know you guys will be able to answer. I am a new IT guy for a manufacturing plant. I am new to being an IT manager having only a background in Staples Easytech and ...
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2answers
1k views

Hyper V with local DNS and forwarding - nslookup works but ping gets general failure

I have a Hyper-V virtual machine configured with its own DNS manager and entries for testing. The VM DNS manager is setup to forward all other requests to the "regular" DNS servers. This all used to ...
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1answer
63 views

How do I configure the Hyper-V virtual switch to share internet without bridging on the host machine?

I'm setting up windows deployment services for LiteTouch Deployments in my home but what I realized was that if I take my actual LAN NIC that is connected to the internet and bridge it to the Hyper-V ...
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2answers
31 views

Creating a template in Hyper-V and what to do with

I'm using Hyper-V without System Center and trying to create "templates" for linux servers that I can then reuse as base installs. The way we have done it is by creating a machine, let's call it ...
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1answer
48 views

Hyper V Guests are not performing as expxted

I am experiencing very slow performance on a HyperV Guest that runs W2012R2. The guest is used as an Application Server that runs an ERP application. The erp application is responding very slow on ...
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399 views

iSCSI NICS, microsoft

I was wondering how microsoft solve the isue for the iSCSI NICs. I have read many articles of take two or four dedicated NICs for iSCI. How can you use it when teaming is not supported? Yes I know ...
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300 views

Issue installing server 2008R2 on hyper-v on a 2012 host

I am installing a 2008R2 standard edition server on a hyper-v running on a server 2012R2 standard. Every time I install the server I am getting the following error, followed by a restart which causes ...
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9k views

Hyper-V Manager - How do I Connect to Hyper-V Sever using different credentials

I have Hyper-V Server 2012 (free version) running on a box that is not on any domain. My Windows 8.1 laptop is on our domain. Both machines are on the same physical network. On my laptop, when I run ...
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2answers
810 views

Getting “Stopped” Hyper-V VM state from PowerShell

I'm using http://pshyperv.codeplex.com/ for managing Hyper-V through PowerShell. OS: Windows Server 2012 This PS module can get VMs which are running and, I guess, should get the ones which are in a ...
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1k views

Send trunk directly to vm in HyperV 2012

I'm setting up OpenBSD as a VM in HyperV 2012. It would be easier for me to just create one interface on the vm and have OpenBSD take care of setting up the vlans. Is it possible to tell HyperV to ...
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3k views

Removing Hyper-V role from Windows Server 2012 R2

I am attempting to remove they Hyper-V role from a Windows Server 2012 R2 machine. When attempting to do so via the "Add Roles and Features Wizard", the check box is grayed out and it will not allow ...
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92 views

Applying user settings on a Windows Server 2008r2 server slow from external computers

I have 2 almost indentical environments consisting of a Windows 2008r2 server host running hyper-v and on each host I have 2 Windows Server 2008r2 guests. One of them acts as Domain Controller and 1 ...
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15 views

Background intelligent transfer with IIS server

I need help with setting my IIS server for BITS upload. i want to upload and download files from the virtual directory i have assigned to one of my websites. but i m not able to upload and download ...
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3answers
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Converting VMware VMs to Hyper-V

Our company is looking to try out Hyper-V as a server virtualization solution so I am looking for the most efficient way to test everything out safely. My plan is to make a snapshot backup of each of ...
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48 views

Hyper-V lost network adapters

2012r2 Hyper-V Hosts: HP G5 I have a lab with two hyperv servers and a cheap iscsi device. The Hyper-V servers have 4 physical network adapters. Two are pointing to the iSCSI and the last two are on ...
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942 views

No mouse, no keyboard, no network on Virtual SBS 2008 (Hyper-V)

I am trying to convert a physical SBS 2008 to virtual with Hyper-V 2012. Everything seems fine (the VM boots quickly - 5 minutes) until I reach the welcome screen asking me to press CTRL-ALT-DEL. ...
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1answer
1k views

Hyper-V connecting to a remote machine shows "The operation on computer 'x' failed

I'm running Hyper-V manager using this command: runas /user:DOMAIN\username "mmc \"C:\Program Files\Hyper-V\virtmgmt.msc\"" It is using a runas because the user I am logged into my machine as ...
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2answers
225 views

Keep remote Hyper-v hosts in manager on close

I have a windows 8.1 machine that I have installed the Hyper-v role on. We also have a couple of 2012 servers running hyper-v. I am currently managing them from my PC to make life easier. When I ...
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4answers
5k views

Windows Server 2012 R2 VM Back up fails with Insufficient storage available to create either the shadow copy storage file or other shadow copy data

This problem was first encountered on an IBM x3650 in a cluster with an IBM x3550 for failover, however this problem is reproducible on a server running HyperV not part of a cluster. When I try to ...
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2answers
239 views

Best practices for file layout in a Hyper-V server?

We've got a Hyper-V server set up, and the layout of the files is inconsistent because it was set up by several people. Here are the two different "templates" that were used: Template 1 ...
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1k views

Disable Hyper-V pausing due to low disk space

Is there a way to keep Hyper-V from pausing due to low disk space errors? I have tried some registry edits but they do not seem to be working. Is this a policy setting?
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Azure VM crashed and I recovered the VHD however cloud-init prevents me from booting it locally

One of our VM's suddenly was stuck at 100% CPU load and was unable to be reached from SSH. Rebooting did not help, nor did creating a new VM from the existing VHD. I downloaded the VHD. However, I'm ...
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2answers
3k views

How to disable 'Low Disk space' on Server 2008 and Hyper-V

My problem is showing on a Hyper-V setup, but is not strictly a Hyper-V problem. Hyper0V is exposing the symptom. I created a fixed size file on a drive in the host that almost fills the physical ...
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1answer
65 views

DHCP reservations for a range of MAC addresses

Question Our DHCP server is set up to only give IP addresses to machines that it knows about (all IPs excluded, reservations for each MAC address). Part of the address range is used for virtual ...
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2answers
2k views

Running KVM/XEN/Hyper-V VMs from a RAM disk, is this possible? Practical?

Currently I'm using ESX (v3 and v4) to test a scripted OS (Windows 2003) and application install DVD. The DVD ISO (8GB) is mounted on a 1Gbps NFS datastore and the VMDK's (20GB) are on an SSD mounted ...
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132 views

Cannot connect to Remote Desktop from difference subnet

I have a problem about Remote Desktop on Hyper-V Server 2012 R2. I cannot connect to Remote Desktop from a different subnet. The server is multihomed with two NICs, one connects to the public network ...
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1answer
38 views

Perfomance of SQL Server on Hyper-V VM

I decided to try server virtualization and I have not had such an experience before. I installed Hyper-V Core 2012, created a virtual machine and installed Windows Server 2008. On this VM I should ...
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40 views

Is it possible under Windows Server 2012 to run Terminal Services but have it run a VM?

I have a Windows Server 2012 box that I'd like to be able to host up to 5 TS instances on it. However, it would be ideal if those instances could actually fire up a Hyper-V VM running Windows 7. So ...
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What are you allowed to run on a Free Hyper-V 2012 host? [duplicate]

I have been looking for a "layman" version of the license for the Free Hyper-V 2012, and more precisely, what services you are allowed to run on the host. The OS itself does not prevent you from ...
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99 views

Hyper-V not getting IP Address for PXE Booting

I'm trying to get a Windows installation happening within a Hyper-V machine from a WDS Server in a VM. It's a bit of a confusing set up. I have my laptop which is running 2 VMs - One is Windows Server ...
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735 views

Is the gang scheduling employed by VMware a serious drawback?

I was reading some technet articles as well as this one regarding the differences between the way VMware and hyper v doing CPU scheduling. I was wondering if I could get some objective info on this. ...
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57 views

Cannot connect via RDP due to NLA error

I have one DC that also acts as a Hyper-V host. It hosts a build server, and a WDS server. Up until Daylight Savings happened a few days ago these were both working fine and I could remote in no ...
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3answers
709 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 - ...
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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 ...
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57 views

Resizing VHDX Fixed Disk

I recently converted a Dynamic VHD disk that was 95GB in size(only uses 60GB inside the guest) and now as a fixed disk it is 170GB in size. How can I resize the newly created fixed disk to under ...
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439 views

Hyper-v dynamic memory client machines always use maximum memory

When I create a virtual machine in Hyper-V and set it up to use dynamic memory, the virtual machine will always use the maximum memory within the virtualized OS. Hyper-V will show the assigned memory ...
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1answer
35 views

New to virtualization, new hardware, and Server 2012 Standard w/ Hyper-v role

I run a small web hosting company and we are in the process of replacing all of our old physical servers (HP Gen4/5) with brand new hardware (HP Gen9 w/ Dual E5-2650v3's, 128G ram, 6x300G 15k 12G SAS3 ...
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3answers
11k views

Guest OS install from Physical CD/DVD Hyper-v 2012 R2

I have been looking around if it's possible to install a Guest OS on Hyper-V 2012. The only ways i see to install guest OS is by mounting an ISO. Is hyper-v able to access the Host physical CD/DVD at ...