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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Single host CSV

I have a single physical server with directly attached SAS storage that I run Hyper-V on and within it all of the machines on my lab (AD, Exchange, SQL, SCCM, SCOM, File Servers, etc). I am trying to ...
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223 views

how to access a unix machine from windows command prompt

I have created a Vyatta virtual machine on my Hyper-V server, but I didn't enable ssh on that virtual machine. I want to connect to that machine without enabling the ssh and execute some shell ...
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42 views

Running svhdxflt filesystem filter on Windows 10 Pro Hyper-V [closed]

I am currently building a lab at home and would like to set up a clustered Scale Out File Server and AlwaysOn SQL Server configuration. As I do not own any JBOD enclosures nor SAS HBA's or any other ...
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42 views

How to properly install windows in hyper-v to use the included virtualization rights?

I have a server I am redoing for a client. I want to take advantage of hyper-v and run VMs for them. The issue is I only have one physical key for the server. However I have read that the copy of ...
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110 views

Hyper-V CentOS 7 guest has no keyboard in recovery modes

I am working with CentOS 7 as a Generation 2 guest on Hyper-V 2012 R2. Everything runs fine, but I am unable to control the guest when I boot it into certain systemd targets. For instance, if I were ...
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46 views

How does Hyper-V Replica Initial replication from Existing VM works?

I've found nice Technet blog which gives some advices when to use which replica init method, but without any technical detail. To make a good decision I would like to know how the replication using ...
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111 views

Missing Exchange Writer + Missing System Writer + Specific services crashing regulary + Hyper-V VM

I have some strange errors on multiple Server 2012 R2 Virtual Machines (Hyper-V hosts). Missing VSS writers on startup: System Writer and Exchange Writer. I have scoured the net for possible ...
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151 views

Windows Server 2012 R2 Unattend Headaches

I've used WinSIM from ADK 8.1 and 10, as well as http://windowsafg.no-ip.org/server2012r2.html to make an autounattend.xml answer file. The default product key works fine via a regular, interactive ...
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20 views

Hyper-V - backup guest VM (while powered down) just by copying files?

If you have a guest Windows 2008 VM in Hyper-V what is the simplest way to make a backup of it in its entirety. I'm happy to power the guest VM down before making the backup. The disks used by the VM ...
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123 views

Safe to turn off Hyper-V VM during Windows 8.1 Windows Update?

I've got a Generation 2 VM running Windows 8.1. It has secure boot disabled and lists the VMs version as 5.0. Hyper-V itself is version 6.3.9600. This morning, about 4 hours ago, it started a Windows ...
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2answers
987 views

Hyper-V 2016 Gen2 VM PXE DHCP Timeout (Wireshark DHCP Discover -> Offer -> ???)

I've built a test lab running Windows Server 2016 and SCCM 2016 and I'm having an issue with PXE booting a VM to install an OS via SCCM. Here's the run down on the configuration. At this stage SCCM ...
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123 views

VM Viewer cannot open console: “A connection will not be made because credentials may not be sent to the remote computer”

since some time - after we installed the latest Windows Updates on the Hyper-V hosts - we are having serious issues opening the remote console of a VM running on the Hyper-V hosts. Scenario: ...
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70 views

Unable to start VM with more than 1388MB of memory in Hyper-V

I have a question regarding Hyper-V on Windows Server 2008 R2 (Standard). After installing and configuring Hyper-V via adding a role in the server manager, i am able to start VM only if they have ...
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45 views

Hyper-V cluster don't want to use CSV cache

I'm trying to use CSV cache on a Windows 2012 R2 hyper-v cluster, seems easy theoretically. I've got 5 hyper-v hosts, a volume shared on a storage array. I setted up the value with "(Get-cluster)....
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345 views

Hyper-V Dynamic Memory for Ubuntu 15.10

I'm running the latest Windows 10 Pro Fall Update, and setup a guest OS of Ubuntu Desktop 64-Bit 15.10 in Hyper-V. I'm trying to use the dynamic memory feature, but Hyper-V wants to assign far more ...
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1answer
255 views

User Profile Disks not created - 2012R2 pooled VDI windows 7 VM

Servers- RD Web Access/Connection Broker - VMWare 2012R2 machine - VDW RD Virtualization Hosts - 2x physical servers - VD1/VD2 The User_Profile storage location is a replicated DFS on the F drive ...
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54 views

DNS Server on Ubuntu Hyper-V

I have Windows Server 2012 R2 with RRAS running a NAT. I have Ubuntu Server 15.10 running VestaCP with a bind9 DNS Server. I've forwarded common ports to the VM through RRAS NAT, like 80 and 53(DNS ...
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80 views

Hyper-V Vagrant - Running out of memory but not sure why

I understand that something is using the memory, and forcing OOM killer to kick in and start killing processes, to the point where there is nothing more to kill and a kernel panic happens. However, ...
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1answer
35 views

Ubuntu WebServer in HyperV

I have a Windows Server 2012 R2, with HyperV running Ubuntu 15.10 Server. The problem im having is something to do with networking and routing. I can never connect to both the Windows Server and the ...
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1answer
104 views

Vm goes to saved state when removing CSV

I have a 5 node Hyper-V cluster running. All 5 servers are running Server 2012 R2, each node is attached two devices using iSCSI. The device I'm having problems with had a single volume that was used ...
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1answer
70 views

2 Node Failover Cluster

I need to build a 2 node Hyper-V failover cluster, that's dead simple right? The problem is that the hardware is already bought. Both servers are identical and approved. Related spec: 250GB Drive ...
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26 views

Hyper-V 2012 R2 x64 UpdateID

I'm trying to write a powershell script in order to manage my updates for multiple Hyper-V 2012 R2 machines. To problem i stumbled upon is that i am unable to find the updateId for it so i can manage ...
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76 views

Using WebGL on a virtualized server

Our company have some virtualized servers where guest is Windows Server 2008. IE 10 is installed. Now we want to use a Java application that use WebGL to visualize a 3D image in IE. The end user ...
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95 views

How Hyper-V server 2012 shares processor usage over virtual machine?

I have a Hyper-V server 2012 installed on my physical server (bare-metal). For testing purposes I created 2 VM machines (windows 7) and began testing server processor usage while VM runs at 100% ...
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51 views

Reference Image creation with MDT stuck

I'm following this tutorial to create a Windows 10 reference image https://technet.microsoft.com/en-us/library/mt297533.aspx I followed two times all step excepted adding Microsoft Visual C++ and ...
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132 views

Hyper-V host memory requirements. Possible over allocation to guest VMs?

System: PowerEdge R430 Intel Xeon E5-2440 (dual) 32GB RAM Hyper-V 2012 R2 VMs: DC - 8GB RAM APP - 19GB RAM The VM's are not configured for dynamic memory. The client was complaining about ...
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1answer
44 views

Is there a Azure replica server for Azure vms?

We are currently using a Virtual machine in azure and are currently looking at our recovery side of the Azure solution. In our on site recovery we use Hyper-V Replication mode Replica to a Hyper-V ...
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48 views

Hyper-V avhd files compressed

I have inherited a machine at a client site that the previous IT person thought it would be a bright idea to compress all the AVHD and the base VHD files for one of their servers running under hyper-v ...
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1answer
164 views

Ubuntu Server 14.04 Hyper-V - No Internet

I'm trying to get Hyper-V to work with Ubuntu Server 14.04. I've made a new internal switch, and then shared my main adapter (not the virtual one) with the internal virtual switch. I still don't have ...
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154 views

Hosting a Odoo 9 onsite with Hyper V- Security concerns

I have a small business network: Hyper V Host (2012R2) VM-Active Directory (2012R2) VM -application, print, etc server (2012R2) Several client pcs, some on domain, some not, all running Windows 7 ...
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50 views

Hyper-V Host Shutdown script

So I have a cluster for Hyper-V and am working on a script to move all active VMs to a host over the weekend, put the hosts in maintenance mode, and then poweroff all but one of those hosts for the ...
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26 views

unable to see VM template from Hyper -v 2 during collection creation on connection broker

I have two Hyper-v host server, hyper-v 1 & 2. During collection creation on connection broker, I can see VM Template from hyper-v 1 but I am unable to see any VM Templates from Hyper-V 2. I have ...
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291 views

HyperV VM not doing graceful shutdown

I'm Running HyperV in Win2012 R2 on a laptop for lab. I tried running the battery low so it will initiate a shutdown of the VMs at 50% battery. As a result the host just shutdown and kills off all the ...
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2answers
252 views

Windows Server Backup Problems

I've got a bit of a problem here that I have inherited. Currently, I have two Windows 2012 servers running. One server is a production server with 1 Hyper-V VM on it that has SBS 2008 on the guest ...
3
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1answer
550 views

Disk IO Performance Difference — Hyper-V / CSV — Guest vs Host

I have two different Hyper-V 2012 R2 environments that use iSCSI to connect to their virtual machine storage. While the environments are different (one is all 10 GB whereas the other is mixed 1 GB / ...
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1answer
26 views

Is switching from Hyper-v over to VMware using the same hardware possible?

I am a newbie into the world of virtualization. Presently, I have a server with the H/W details given below: Processor: Intel(R) Core(TM) 2 Quad CPU Q8400 @2.66GHz(4 CPUs), ~2.7GHz Memory: 6144 MB ...
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1answer
27 views

How to subnet in virtual SMB networks

I'm setting up a Server 2012 R2 with Hyper-V role in a typically SMB environment (virtualized DC and Exchange on one single Host). Before, in the SBS times, there usually was one physical server, a ...
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10 views

Issues with 2008R2 Hyper-V Snapshot [Permission Issues]

We have an issue while taking snapshot of a VM machine hosted on Hyper-V host. The Hyper-V host is a Windows 2008R2 Sp1 Ent edition server and we have couple of VMs hosted on them. Whenever I try to ...
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1answer
509 views

Hyper-V dynamic memory not correctly assigning more memory

So, I got an alert from our monitoring system that there's less than 15% memory free on a virtual machine. I log in to investigate, it turns out that the VM in question is a Hyper-V VM with Dynamic ...
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1answer
972 views

hyper-v not recognizing linux integration services on CentOS7

Why does the Hyper-V host not recognize LIS on the CentOS 7 machine? Hyper-V Manager Version 6.3.9600.16384 uname -r shows 3.10.0-123.el7.x86_64 lsmod shows hv_storvsc, hv_netvsc, hv_utils and ...
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1answer
51 views

Hyper-V Role Installation not starting

When I try to install Hyper-V Role, the progress bar stays at 0 % ... it basically never starts and I can't even close the window or cancel it, unless I restart the server . How can I find out what'...
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1answer
61 views

How to change a VM's checkpoint type from Production to Standard using powershell

I need to change the checkpoint type from "Production" to "Standard" using powershell. My current script for creating the new vm is pasted here, but that creates a VM with "Production" checkpoints. ...
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2answers
104 views

Hyper-V Cluster on SAN + SSD Local Storage

I wanted to know if there are any methods that anyone has done with the following: All of my servers on the hyper-v cluster are stored on the SANS. I have a desire to have the speed of SSD on two of ...
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1answer
32 views

exchange 2010 storage on hyper-v

Working on planning new Exchange 2010 to migrate my existing email infrastructure on it. I have ~120 users with ~3-8 Gb mailboxes and a lot of public folders (~80 Gb). Total used mailbox space on ...
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39 views

Recovering from a HyperV snapshot being manually deleted incorrectly

I have a Windows 2008 Hyper-V (6.1.7601.17514) host which has a guest VM running in Hyper-V. The guest had 2 snapshots created after software was originally installed on it. At some point, someone ...
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57 views

DPM 2010 - Unable to 'Backup Using Child Partition' since 2012R2 cluster upgrade

We recently upgraded our 2008R2 Hyper-V cluster to 2012R2 over the weekend. I'm trying to create some new protection groups on our DPM 2010 server but we are no longer able to create 'Backup Using ...
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1answer
22 views

Reconfiguring large Hyper-V network for speed with failover

I currently have 10 IBM x3650 M4 Servers. Each consisting of a minimum: - Dual Xeon - 192GB - 384GB - 2TB SSD RAID 10 (8 x 500GB Drives) - 4NIC All hardware is redundant, PSU, CPU, RAM etc. Each PSU ...
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682 views

What is the correct way to activate a Server 2012 Guest in Hyper-V (NOT R2) with a server 2012 host using virtualization rights?

I've done quiet a bit of searching on this and can't seem to find an answer, everything seems to refer to R2 and AVMA or just simply states you are allowed 2 visualization rights and nothing else. ...
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34 views

Hyper-V - Upgrading a 3 node 2008R2 cluster to 2012R2

I'm just after a some advice/tips on upgrading our 3 node Hyper-V cluster from 2008R2 to 2012R2. I have 3 x Dell r710s running Server 2008R2DC. These are clustered and running about 15 VMs (5 on each ...
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1answer
322 views

LSI MegaRaid 9260-8i low performance in comparison

I was given the task (aka dumped into my lap) to examine low Read/Write performance on a system running Server 2012 R2 /w HyperV role. The system in question: Lenovo RD340 LSI MegaRaid 9260-8i (no ...