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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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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12 views

Hyper-V Guest looses network connection when configured with VLAN id and NIC teaming

I have Windows Server 2012 R2 Standard host with two physical netwrok interfaces configured for teaming (Hyper-V Port). Virtual machine is assigned Hyper-V Virtual switch, and only then virtual ...
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2answers
9 views

Windows Server 2008 NLB doesn't respond to ARP request

I have two instances of Windows Server 2008 running in Hyper-V VM's. The two instances are configured in a multicast NLB. I can ping either node from another subnet, but I get a timeout when pinging ...
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30 views
+100

Hyper-V lost synthetic NIC after Debian 8 dist-upgrade?

I'm running a Debian 8 vm on Hyper-V (Win Srv 2012R2) and when I did a dist-upgrade of stable, I lost all network connectivity. Using the console, I was able to see the network interfaces as UP but ...
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1answer
15 views

Fedora 22 Server on Hyper-V: Cannot reach httpd

I have created a WinS2012 Hyper-V Guest running Fedora 22 Server. HTTPD is running on the guest and listening on ports 80 + 8008. I have checked selinux - both ports are allowed for httpd. I can get ...
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2answers
1k 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 ...
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21 views

Hyper-V won't start VM on startup

Win 8.1 Pro, Hyper-V v6.3.9600.16384, 32 gig RAM, SSD boot drive & SSD drive for VMs/VHDs I have the VM Automatic Start Action set for 'Always start this virtual machine automatically'. I have ...
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1answer
22 views

Separating test environments

We're utilizing TFS and Hyper-V with SCVMM for our testing environments, but unfortunately we don't have any network separation right now. We had to create our own domain in order to most effectively ...
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13 views

Windows server Backup error - The specified component was not reported by the VSS writer

I get this error when trying to run a backup for a virtual server using the mmc console > windows server backup option. Kindly request you to let me know if there is a fix for this error or if it is a ...
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0answers
30 views

Hyper-v virtual machine acting as two separate vm's

I have a Hyper-V virtual machine (vm1) that has two separate instances of itself. I can log into what should be the same VM (vm1) through Hyper-v and RDP (Remote Desktop Connection) with the same ip ...
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1answer
346 views

Intermittent 100% CPU on all VMs

We're a small shop, running a Dell T420 (dual CPU, only one present, 6 cores) w/32GB RAM as our main server. We have only 5 VMs, one of which is our WSE 2012 DC. From time to time, and at a rate for ...
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1answer
30 views

Hyper-V VLAN with static IP

Trying to setup/simulate Hadoop cluster locally via multiple (hyper-v) VMs. I'm using hortonworks sandbox image for hyper-v which runs centos linux. I can hit the vm, if I use an internal switch and ...
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0answers
11 views

Force disk cache even if guest uses direct i/o

Have IBM db2 on Rhel on Hyper-V on Windows Server. The *.vhdx file is on CSV. e.g. C:\ClusterStorage\volume1\hyper-v\oktest-lb1\oktest-lb1.vhdx. db2 uses O_DIRECT flag (uncached i/o) for its database ...
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1answer
78 views

Hyper-V VHDx Compacting & SIzing Issue - No Minimum Size, Unable to Shrink

Trying to recover ~450GB unallocated space from a VHDx total filesize. Thanks for taking a look at this issue: Hyper-V Server 2012. Dynamic VHDx (we'll call it disk2.vhdx) with a file size of 1.5TB ...
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1answer
23 views

2012R2 Hyper-v host CentOS7 guest slow network speed over external network

I have a Hyper-V host on win2012R2 (Version 6.3.9600) with two gigabit network adapters, one of them connecting to a gigabit router (the another one is currently out of use because lack of a gigabit ...
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0answers
29 views

Veeam Hyper-V backup error: Microsoft Hyper-V VSS Writer VSS_WS_FAILED_AT_POST_SNAPSHOT

Sometimes I get this error from a Veeam Hyper-V backup of a Virtual Machine in a Hyper-V host: Unable to create snapshot (Microsoft CSV Shadow Copy Provider) (mode: Veeam application-aware ...
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12 views

Virtualized IIS 7 Intranet page is slow when querying against SQL database

OK… I’ve been tasked to figure out why an intranet site is running slow for a small to medium sized company (less than 200 people). After three days of looking on the web. I’ve decided to post what ...
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0answers
15 views

Setup server hosting hyper-v as a router

I have a windows 2012 server hosting several windows VMs by hyper-V. As I was building this infrastructure at home all VMs got IPs assigned from my home router (DHCP). So both hyper-v manager and VMs ...
2
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2answers
925 views

Hyper-V 2012 move fails to another Hyper-V 2012 host while using Windows 8 machine to do the move

I have 2 machines with Hyper-V 2012 (free, console version) that I manage from Windows 8. Whenever I want to move any machines from there's always this error. I have enabled Kerberos, I setup ...
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2answers
14 views

Does a dynamic VHD automatically add space to its local drives?

OK, this might be a stupid question but I'm new to this. Dealing with Hyper-V server 2008. So let's say I got a dyamic VHD which has a 70gb max when i inspect it in Hyper-V, and then the C: drive of ...
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0answers
32 views

Shrinking and extending disks on Server while running?

So I have a server with Hyper-V and a Drive C: (OS) and D. Drive D stores all of the VHDs that I run. Drive C shows up as Disk 0, and D as Disk 1 under Disk Management respectively. Now Drive D gets ...
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0answers
27 views

Can I backup a VHD to an identical system and boot in case of hardware failure on the original?

Pretty much all in the title. I'm already using Hyperoo to backup the vhd file to a identical server and was wondering if it would be possible to add the vhd file to a Hyper-V virtual machine and ...
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1answer
19 views

Refreshing VM with limited Disk SPace

I have a Hyper-V machine that crashed. I am trying to refresh it but the disk is too small when I load the disk.ISO in. I tried to expand it but I still get the screen. Is there a way to add the added ...
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3answers
39 views

Can we build a Hyper V failover cluster without a SAN or other shared storage?

I have a question about Hyper-V Failover Cluster. I have 2 server Hyper-V and want to use a failover cluster. As far as I know, I need a SAN server for that, so do we need it in here?
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25 views

Weird: access denied moving hyper-v storage on ws 2012 failover cluster except from running node

I have a 4 node failover Hyper-V cluster on Windows Server 2012 R2. The VM storage resides on 2 SMB 3.0 stand alone and independent servers (I intend to create a Scale-Out FS as soon as I can free up ...
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2answers
45 views

Hyper-V & SSD Best Performance

I'm building a Hyper-V host using Windows Server 2012. It will be hosting 3 Hyper-V images. I have a SSD and a larger standard HD. I cannot fit everything on the SSD. Performance wise, will I be ...
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0answers
35 views

Unresponsive Server 2012, may be because of Hyper-V

there is a setup: ProLiant, Xeon, 16Gb on the host, 3 VMs (2 servers 2012 + Win7). Not all three VMs work simultaneously all the time. The problem is that sometimes host (and mostly all guests) ...
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0answers
18 views

String domain on RDP file not working

I am about to flash 80 HP T620 Thin Clients (TC) which will only be used to launch an RDP file so users can connect to their virtual machines on our Hyper-V environment. In the end, the TCs will be ...
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2answers
2k 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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26 views

Hyper-V doesn't recognize when a DVD is swapped

I'm running a Windows Server 2012 Host with five Windows Server 2012 guests. All have the latest updates installed. Whenever I add the Host's DVD drive to one of the guests, the guest will recognize ...
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2answers
71 views

Why does a Hyper-V, Windows Server 2008 R2 server occasionally stall?

I'm running a Virtual Machine server on Hyper-V that stalls about once a week, effectively rendering certain services it is running to be useless. -The physical host machine CPU: 6-core Xeon ...
3
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0answers
29 views

Hyper-V Server Deployment - adapter configuration

I'm sure this question will have been asked somewhere before. In fact I'm sure I've read about it before too, but I can find any resources to help me along my way. What I'm trying to do is deploy a ...
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0answers
38 views

Windows Server 2012R2 Standard Hyper-V license

I have a dedicated server running WS2012R2 STD Edition with Hyper-V. On top of that I know that I can have 2 WS 2012R2 STD VMs running as part of the same license as the host. What I'm missing is ...
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1answer
36 views

How do I safely clone a Linux VM in Hyper-V?

This is a home lab, so nothing critical. I have a base Linux ISO I'm installing for all my VMs, but the install takes a long time, and even once it's done, I still have to go install a ton of updates ...
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1answer
45 views

converting physical windows 2003 server through disk to vhd tool to hyper-v server

i am trying to do P2V conversion through disk to vhd tool. conversion is successful but after conversion when i attach the disk c: drive or d: drive its shows additional drives in disk management same ...
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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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votes
2answers
40 views

How to open Hyper-V Manager in Hyper-V Server 2012?

In Windows Server 2012, to open Hyper-V Manager, in Server Manager I would just go Tools >> Hyper-V Manager. How do I open Hyper-V Manager in Hyper-V Server 2012? I want to allow replication to this ...
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votes
1answer
125 views

RemoteFx 3d Video Adapter does not appear in Hyper-V R2 2012

Im running Windows Server 2012 R2 with the Hyper-V role. In the Hyper-V configuration, I was able to select the card I want to use with RemoteFX. I made the virtual machine (without installing ...
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1answer
19 views

Hyper V and NAT Redirect IP on different VM

I have 2 IPs public (but one physical network port) and i want redirect IP public 1 on my VM 1 and, IP public 2 on my VM 2 But when i check my NAT configuration i can just redirect port on my interne ...
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0answers
143 views

Server 2012 R2 Hyper-V Virtual Switch host mac address conflict 331FLR

I have 3 new HP DL360G9 servers all running Server 2012 R2 standard with the Hyper-V role installed. All the servers have the built in Intel 331FLR 4 port gigabit nic. I have the ports teamed into 2 ...
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1answer
66 views

Hyper-V disable internal firewall

How can I disable a firewall on my internal network? Problem I have a Hyper-V on a Windows Server 2012 R2 with one VM, when I disable the firewall I can get internet on my VM, but when I turn on ...
2
votes
1answer
48 views

Hyper-V VMs that are turned on are missing in Hyper-V Manager

I have a Hyper-V VM that is currently on and running but I cannot see it in Hyper-V Manager. If I configure a virtual machine that does appear, I can see in the drop box, in the upper left corner, ...
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0answers
39 views

powershell command to get a list of all the snapshot in vmm (hyper-v)

i am using below script to get snapshot which are associated with my particular VM, but i am getting only recent snapshot information , can someone correct me in below script - $vmcheck = Get-VM ...
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1answer
79 views

Running CentOS7 on Hyper-V issue with integration service driver

I installed CentOS 7 on Hyper-V 2012 R2. It seems to be running OK, but I have issue with drivers. And not sure how do I go about updating: A storage device have a different version from ...
2
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1answer
31 views

Hyper-V Guest data encryption

I have a new requirement to encrypt the data inside an sql database while it is at rest. So far I've looked at Bitlocker (see below), and other commercial products (I won't name because I'm not ...
3
votes
2answers
70 views

Hyper-V guest loses network access when virtual switch port is in trunk mode

I have guest VM on a Windows Server 2012 R2 machine running Hyper-V. Currently, the guest is using the native vlan (vlan ID 1). I can communicate with the guest from the host and from the network. ...
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1answer
33 views

What is the correct way to add license keys to Hyper-V servers and guests?

I have a Hyper-V server and I have three 'Windows Server 2012 R2 Standard' licenses (ROK, not VL). I am wondering with what keys must I activate what servers with? Is the following the correct method? ...
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1answer
39 views

WDS with Domain Admin Credentials Can't Join Windows 7 to Domain

I have a WDS server configured on Windows Server 2012 R2 running as a Hyper-V guest OS ontop of a Windows Server 2012 R2 physical server. I've installed and configured WDS and Microsoft Deployment ...
0
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1answer
12 views

Replicate Partition Over Network

Is there a way, in Windows Server 2012 to replicate two same-size partitions over the network in real-time, preferably at driver level (not user-land)? I am asking for two Hyper-V servers. There is ...
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0answers
33 views

Installing SQL Server 2014 with System Center

I've been trying to auto deploy SQL Server 2014 to a new VM using System Center via SCVMM. The SQL Server Profile options don't seem to support 2014 yet (using 2014 media fails saying only 2008 and ...