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 ...

learn more… | top users | synonyms

1
vote
2answers
208 views

How to copy/export live domain controllers to a test environment?

Let me explain out scenario: We have a totally virtualized live production system running all the production VMs in a Microsoft Failover cluster. The interesting VMs for this questions are the Main ...
0
votes
1answer
71 views

Stand alone test domain controller and internet access

I've created a virtual machine (the VM is running Windows Server 2012 R2) using Hyper-V on my physical Windows 8.1 box for the purpose of testing Dynamics CRM 2013. This virtual machine is the domain ...
3
votes
1answer
349 views

Backup Hyper-V VMs using wbadmin and iSCSI on Windows Server 2012

I am trying to setup a backup system at my work. We have an Windows 2012 environment with some VMs. We have a SAN and I tried do backups on a shared folder but, because of some incompatibilities with ...
11
votes
2answers
3k 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 ...
1
vote
2answers
650 views

2012 R2 VDI Setup - No Virtual Templates

I've installed Win 2012 R2 Standard and setting up the RDS role for VDI. I plan to have a pool of virtual desktops. I have done this before and have had no problems so I am very familiar with the ...
0
votes
4answers
4k views

Is there a way with Hyper-V to use the wireless network on my server?

I know that Hyper-V does not support creating a virtual switch together with the wireless network adapter. One previous question here on serverfault asked almost the same question, and that question ...
0
votes
0answers
701 views

Dell 12G R720 Hyper-V host virtual/physical NIC stops working

On the host 1 physical adapter is plugged into our network, on host itself I have Hyper-V role. I have created a external switch and binded it to the physical Broadcom NetXtreme Gigabit Ethernet, box ...
0
votes
3answers
187 views

Cannot start Virtual Machine

I am trying to setup a Virtual Server using the Windows Server 2008 Hyper-V but each time, when I click start, after creating the Server, I get an error: An error occurred while attempting to start ...
0
votes
0answers
45 views

TFS Running on VHD - How to split across multiple drives

I have a TFS instance which is running on a Hyper-V VHD. The VHD is now getting to the stage where it's reaching the size of the physical hard drive in the server. I will therefore buy another hard ...
0
votes
0answers
164 views

Routing and Remote Access with Hyper-V

I have a server setup with with Server 2012, this server has two NICs. One for WAN and one for LAN. Internet works fine on the server. I setup Routing and Remote Access with DNS and DHCP. Everything ...
1
vote
0answers
283 views

Debian 7 + Hyper-V and random network/DNS problems

Our department is *nix-based exclusively but unfortunately the company we're part of runs on a Windows environment and until I get budget for our own servers I have to run our servers on a Hyper-V ...
0
votes
0answers
71 views

Restoring read only domain controller from VM checkpoint

I have several RODC on remote sites, and sometimes power failures corrupts ADDS database which takes some time to recover. I'd like to move RODC to virtual machine (on same server) to be able in case ...
4
votes
1answer
1k views

Unidentified Network for HyperV Internal Switch

I am trying to setup a HyperV internal switch for the guest OS on a Windows Server 2012 host. After creating the new Internal Switch through Virtual Switch Manager, I can see the virtual adapter under ...
2
votes
3answers
5k views

Managing Hyper-V server(s) from a Mac?

I run a Hyper-V server running several Hyper-V VMs. I was wondering if there is any way for me to manage the Hyper-V server itself (just Hyper-V role, not the rest of the server box) and the ...
1
vote
0answers
122 views

Hyper-V Replication of VMs with Symantec Endpoint Protection Manager and Symantec Mail Security

I'm hoping for some advice on replicating Hyper-V VMs which are running Symantec Endpoint Protection Manager (SEPM) and Symantec Mail Security for Microsoft Exchange (SMSMSE). The problem is the large ...
2
votes
1answer
155 views

Problems setting Hyper-V permissions

I am using a Windows 2012 Hyper-V server to host some test PCs. Our support personnel should be able to take snapshots of these machines and roll a test machine back to a specific snapshot, but they ...
-1
votes
2answers
1k views

Backing up Hyper-V VMs using “wbadmin” failing on Windows Server 2012

I'm trying to backup a single VM using "wbdamin". I'm using this command-line: wbadmin start backup -backupTarget:d: -hyperv:VM_Machine_Name -quiet But the backup have no success. Looking at my ...
26
votes
11answers
3k views

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 ...
0
votes
1answer
184 views

Slow Performance on Exported Hyper-V VMs

I have an Windows Server 2012 environment with Hyper-V virtualization. My VMs were running very well but my machine was running low on disk space. After buying an new HDD and installing it on my ...
0
votes
1answer
258 views

Hyper-V dynamic ram not working with Debian

I've a Windows Server 2012 R2 based Hyper-V host with Windows Server 2012 R2 guest VMs and also Debian 7.6 based VMs. The dynamic RAM is working on Windows guests fine. But on Linux its not and the VM ...
1
vote
1answer
2k 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 ...
2
votes
1answer
278 views

Event ID 12240 on Windows Server 2012

I have a Windows Server 2012 and some virtual machines in it. Since last week some error events appears hourly on event viewer saying that the system cannot find a remote VHD file. This VHD file is ...
3
votes
2answers
327 views

BSOD on Hyper-V guest Windows 2008 0xCA

I have a Hyper-V using Windows 2012 R2 Datacenter, inside this server I have a virtual machine with Windows 2008 Standard which had its Intregated Services update and reboot properly. After that, the ...
1
vote
1answer
88 views

Unable to connect to CNCYDEV on port 5252. No connection could be made because the target machine actively refused it

I have a server that uses K2 (www.k2.com), SQL Server, Sharepoint 2010 and many other products. When using K2, I am experiencing the error stated in the title of this question. I contacted K2 Support ...
0
votes
1answer
224 views

Hyper-V multiple virtual processors don't show up in virtual machine

I'm running Hyper-V on Windows 8.1 x64. I've created a Windows 8.1 x64 Gen2 virtual machine using all the default settings, except that I changed the "Number of virtual processors" from 1 to 2. When ...
2
votes
1answer
333 views

Cluster-Shared Volume on Windows Server 2012 R2 drops off with minor iSCSI pauses

We are running into an issue here where the Cluster-Shared Volume attached to our Hyper-V 2012 R2 cluster is being dropped off / faulted with the slightest interruption from the iSCSI SAN connection ...
0
votes
0answers
172 views

How to enable multicast on Hyper-V cluster?

We're currently experiencing an issue with multicast packets being dropped by our Hyper-V 2012 R2 cluster and have not been able to figure out how to correct this problem. We have a Juniper network ...
1
vote
2answers
1k views

CentOS 7 and Hyper-V

I'm trying to install CentOS 7 using Hyper-V and it's failing with the following error message: tsc: Fast TSC calibration failed PCI: Fatal: No config space access function found i8042: No controller ...
6
votes
6answers
15k 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). ...
0
votes
3answers
3k views

Hardware-assisted virtualization is not present on the server

I'm trying to configure remote desktop services on a windows server 2012 Hyper-V Virtual Machine and I get the error at the RD virtualization host server. Hardware-assisted virtualization is not ...
0
votes
1answer
365 views

Windows Server 2012 R2 Standard + Essentials Setup for Small Office [duplicate]

We want to setup a "small" server for on of our offices (8 Client Computers, local Domain not linked). We need to have an Exchange Server. Unfortunately we cannot use SBS since its support is running ...
0
votes
0answers
77 views

Virtual Ubuntu Trusty Server in Hyper-V Server 2012 ocassionly shuts down

I am running a virtual Ubuntu 14.04 Server as a Hyper-V virtual machine. Sometimes after a day or two the virtual machine just stops and shows as off in Hyper-V. Every other VM just runs fine. In the ...
2
votes
5answers
511 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 ...
8
votes
2answers
5k 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 ...
0
votes
0answers
119 views

How to install CAL for RemoteFX on Server 2012 Standard

I had to enable RemoteFX to be able to use a video card on my Server for Hyper-V 2012. I have ran out of the grace period for Remote Desktop Session Host Server. I have tired to install the CALs that ...
1
vote
1answer
248 views

Group Policy error 1006 with and error code 52

I have a hyper-v cluster operating on win2k8 R2 in a 2003 forest. These servers are at our NOC with a DC that connects to our PDC at HQ via a persistent VPN. The cluster boxes are reporting a error ...
0
votes
2answers
2k views

Cannot ping a VM from a Hyper-V host

I am facing a weird situation in my network environment. My infrastructure looks like this: I have a D-LINK DIR-635 acting as my default gateway (192.168.0.1) A physical Windows 2012 Server ...
1
vote
1answer
631 views

SCVMM 2012 R2 - Installing Virtual Switch Fails with Error 2916

So I've been attempting to teach myself SCVMM 2012 and Hyper-V Server 2012 R2, and I seem to have hit a snag. I've connected my Hyper-V Host to SCVMM 2012 successfully, and created a logical network, ...
1
vote
2answers
638 views

Can PXE boot of Hyper-V VMs be disabled?

Hyper-V virtual machines have the ability to PXE boot. Obviously, PXE boot raises some security concerns. The problem is, unlike a typical physical machine's firmware, there isn't an obvious way to ...
1
vote
1answer
2k views

Hyper-v 2012 R2 Nic Teaming with VLAN's

Currently have a 3 node 2012r2 cluster. Everything is working fine without any issues with networking / VLANS / etc... The issue that I am having is needing to define the VLAN at the Guest VM ...
4
votes
7answers
7k views

Hyper-V Virtual Machine won't respond over network

Recently, one of our Hyper-V virtual machines has periodically stopped responding over the network. It seems to be happening every few days, and it occasionally happens up to several times a day. I am ...
1
vote
0answers
72 views

Hyper V 2012 and snapshots

I have a Windows Server 2012 with HyperV role installed. I have 3 virtual servers and 2 Disks about 900 GB. One of these servers has 3 snapshots. The problem is this at we shut the virtual server ...
2
votes
0answers
45 views

How do I prevent directed broadcast packets in Hyper-V using virtual network adapter

When I connect two physical subnets by using a Cisco Router, I can configure the router to disable directed broadcasts (that could be used for example to send Magic packets for waking up Computers ...
1
vote
0answers
1k views

How can I manage Hyper-V Server 2012 R2 from Windows 7 with PowerShell

I am tearing my hair out at the moment trying to do this. Just a couple of things to clear up: I have Windows Hyper-V Server 2012 R2 freshly downloaded and Remote Administration enabled; I have a ...
1
vote
2answers
99 views

Migrating Hyper-V VM's to CentOS 6

I have tried to search this around in google, but I haven't actually found anyone migrating from Hyper-V (Windows) to CentOS 6, only the other way around. So, I was wondering if there are any pointers ...
2
votes
1answer
519 views

How to move Hyper-V virtual machines to Azure with minimal impact?

My company is in the process of transitioning some of its on-premises services to the Microsoft cloud; some of them are being replaced altogether by hosted services (Exchange, SharePoint); some other ...
1
vote
1answer
2k views

Linux Kernel complaining about TSC when selected clock source is Hyper V

We are running RHEL 6 boxes on HyperV with Windows Server 2012. On a few on our RHEL boxes, I am seeing this error in /var/log/messages kernel: Clocksource tsc unstable (delta = -62519781 ns). ...
-1
votes
2answers
148 views

New 2012r2 hyper-v cluster, GUI or server core? [closed]

I have not worked with a Server Core install before. We will soon be moving from old hardware running Server 2012 (with GUI) for our hyper-v cluster to new hardware and plan to install Server 2012r2. ...
-1
votes
1answer
401 views

Windows 8.1 / iSCSI / Hyper-V Depedencies

My workstation has Windows 8.1 and uses iSCSI for SAN storage, which is where the Hyper-V configuration and VHD files sit. When the workstation is booting up, the VM is not able to auto start because ...
2
votes
2answers
2k views

Microsoft Emulated IDE Controller Error

While I was starting my vm I got this error Microsoft Emulated IDE Controller Error(Instance ID 83F863B-8DCA-9EDA-2CA8B33039B4): Failed to Power on with Error 'The process cannot access the ...