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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Linux on Hyper-v network errors

I have Hyper-V 2012 on HP DL320 G6 I've installed debian 7 i386 on, added two network adapters and configured it as router for my local network. I found out that sometimes wan interface generate ...
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223 views

Is it possible to bridge/join two or more vritual (Hyper-V) switches with the same address range over VPN?

I have several Hyper-V servers which are not in the same LAN. On every server are several Hyper-V guest VMs which are connected via an internal virtual switch. Now I want to to connect these two ...
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1answer
383 views

Hyper-V Manager crashes when connceting to remote Hyper-V Server

I am using Windows 8.1 and have Server Manager installed. I've added one of our servers (Server 2012 Standard) to Server Manager, and it connects just fine (Manageability shows "Online" and I can see ...
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1answer
286 views

How to configure Windows Hyper-V server with Windows Storage Spaces

I creating a Hyper-V home setup. I have a single Machine (haswell CPU, 16GB ram, and SSD) Storage is attached as DAS (5 Disk USB 3.0 enclosure) I want that machine to be a Hyper-V host (Windows Std. ...
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164 views

Oracle Linux 6.3 Kernel Panic on Boot after Converting from VMware VMDK to Hyper-V 2012 VHD

I converted a system running Oracle Linux 6.3 from a VMware VMDK to Hyper-V 2012 R2 VHD and now upon boot I'm receiving the error below: Kernel panic - not syncing: Attempted to kill init! Pid: 1, ...
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2answers
627 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 ...
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1answer
451 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 ...
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1answer
121 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 ...
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1answer
4k views

Compacting VHD disk images when they are dynamic

I have a Hyper-V server running on WS2012. I have a Windows 7 running as a dynamic disk. I delete files and more from within to attempt to save disk space and reduce the size. However, the size does ...
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58 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 ...
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214 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 ...
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91 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 ...
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4answers
940 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 ...
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1answer
329 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 ...
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1answer
518 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 ...
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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 ...
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1answer
762 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 ...
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1answer
499 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 ...
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1answer
550 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 ...
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1answer
143 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 ...
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0answers
389 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 ...
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2answers
4k 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 ...
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1answer
757 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 ...
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91 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 ...
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204 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 ...
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2answers
6k 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 ...
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2answers
1k 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, ...
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1answer
515 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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0answers
74 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 ...
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0answers
2k 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 ...
2
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1answer
296 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 ...
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1answer
1k 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 ...
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2answers
146 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 ...
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2answers
1k 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 ...
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2answers
230 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. ...
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1answer
126 views

Hyper-V 2012R2 Private Vlans and Cisco Swith

I have a trouble with configuration of Cisco Catalyst 3850 (WS-C3850-24T-E). Hyper-V server (2012R2) is connected to it. My issue is to separate the virtual machines on the Layer 2 Level. The virtual ...
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1answer
235 views

Protect new VHDX in VM with Microsoft DPM

I have a MS DPM 2012 R2 (Update 3) environment set up, backing up a Hyper-V 2012 R2 virtual machine from a 2-node cluster. There are about 90 recovery points for this Hyper-V VM already. I have now ...
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0answers
948 views

Adjusting a VM screen size in Hyper-V

I am using Windows Server 2012 Datacenter. I have installed several virtual machines via Hyper-V and all is good, I moved a VM from another Server 2012 Datacenter over to my server. The VM starts ...
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1answer
644 views

Windows 2012 R2 Hyper-V vs Datacenter edition

We need to deploy a Windows 2012 R2 Hyper-V cluster with 4 physical server. We going to use Datacenter edition licencing, but consider installing the Hyper-V edition on the serveres. Just to install ...
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1answer
783 views

Poor RemoteFX Performance

I have Hyper-V running on an DELL Optiplex 9020MT Core i7 3.8GHz with 32GB RAM on Windows Server 2012 R2. For testing purposes I enabled RemoteFX on the Intel HD 4600 graphics chip built in to the ...
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votes
1answer
665 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
1answer
631 views

Hyper-V vlan tagging

I'm trying to get a VM running in Windows 8.1 on a different VLAN than what the O/S is using. I'm using an Intel NIC and have installed the Intel drivers, which have VLAN tagged on by default. It's ...
2
votes
1answer
838 views

Device eth0 does not seem to be present on new kernel with virtualization modules loaded/compiled on kernel 3.15.6

cat /etc/udev/rules.d/70-persistent-net.rules SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*", ATTR{address}=="00:15:5D:02:14:22", ATTR{dev_id}=="0x0", ATTR{type}=="1", KERNEL=="eth*", NAME="eth0" ...
2
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1answer
175 views

Kernel Compile crashing on Hyper-V due to memory issues

This is on a Hyper-V machine. I've set the min RAM to 512 and the max to 2048. The host machine has more then enough RAM. Does Linux have an issue with Dynamic RAM on Hyper-V? I can't seem to ...
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1answer
166 views

RAID 10 Cluster Size for SQL Dynamics AX Database

Many article read and many websites visited yet still no closer to a firm or concrete answer. We have created all our Arrays for our SQL 2012 installation with the appropriate LUN's and understand ...
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1answer
628 views

Hyper-v Virtual Network Switch Configuration

I have Hyper-v Running. What I am trying to do is setup a CentOS firewall box which will forward all traffic to the 2nd VM CentOS box which has an internal adapter and only seen by the 1st VM ...
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1answer
1k views

Can I PXE-boot a desktop PC into a Hyper-V VM? [closed]

I just started exploring Server 2012, and the Hyper-V features are compelling for my place of business. Here is the question: We have several computers around the facility currently running XP and 7. ...
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1answer
125 views

HyperV dedicated physical adapter for Client OS or the same virtual adapter for Host OS & Virtual OS

I have a Windows machine with HyperV and Client OS (Windows too). This machine have two physical Ethernet adapters (both 1Gb/s). Adapters are connected now to the same router and ISP. Hyper V can ...
2
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0answers
1k views

FreeRDP USB Redirection Not Working on Hyper-V?

I have compiled FreeRDP from the tip of the Master branch on (and for), an ARM v7 processor, (see cmake command line below). It all seems to build correctly and the basic xfreerdp client works for a ...
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1answer
1k views

Turn on redirected access mode for Server 2012R2 Cluster Shared Volume

Server 2008R2 had an option in the Failover Cluster Manager GUI to turn on redirected access mode. This option seems to be gone in Server 2012R2. Is there still a way (likely a powershell command) ...