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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Hyper-V running out of MAC addresses? Any known issue?

Since some days for a customer of mine Hyper-V requires static MAC addresses to be assigned. Starting a VM with a dynamic MAC address results in a start errir; "No available MAC address for network ...
2
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1answer
51 views

Hyper-V network dies after a few days of uptime

I have a Hyper-V server that randomly just drops off the internet in no specific pattern. It will go fine running five VMs that all have their own IPV4 in a /29 subnet. The host machine is on a ...
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1answer
81 views

Hyper V with a DELL MD3000 Poor I/O

Current build is 2 Dell R900 24core each 128GB ram - 8x 144GB 15k 2.5 SAS on a Perc 6i local - 15x 300GB 15K 3.5 SAS in a Raid5 DG 6 VG in the MD3000 using 2x Perc 5e HBA - OS Windows 2012 R2 ...
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1answer
70 views

VM that allows host to communicate with guest while using a VPN [closed]

My goal: Run a VM locally hosted on my Windows 7 box that runs Windows Server with IIS as the guest VM. I want to communicate with with websites on the guest (Windows Server) with my host (Windows ...
2
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4answers
504 views

VM Corrupted, what's the next step?

So one of our older VM's, which usually has no issues, is giving this error now when starting. It keeps going in a loop restarting and turning off with this error message. I figure it's probably ...
4
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1answer
83 views

On server 2008 R2 shutdown not enough time to save all Hyper-V VMs

I have a Windows Server 2008 R2 host with lot of VM's on it. Due to specific usage requirement I need all of the VM's states be saved on server Shutdown but it takes too much time (about 20-25 ...
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0answers
65 views

hyper-v linux guest udp packet loss

Using a Hyper-V 2012 R2 host, I have (as a test) four CentOS 5 VMs running a UDP streaming application (a high rate of UDP unicast packet streams sent from the VMs to several 1000 "remote listeners"; ...
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1answer
84 views

Regular periodic CPU spikes from hyper-v vmms.exe

On a fresh install of Windows Server 2012 R2 in a Hyper-V host role, with four VMs running but idle and nothing going on in any of the VMs or on the host, I get a periodic CPU spike on a regular ...
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2answers
202 views

Hyper-V Reporting Wrong Uptime

I am having an issue whereby Hyper-V Manager does not report the correct uptime for some of our Virtual Machines. I had started all the Virtual machines minutes apart but on the Hyper-V Manager there ...
3
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2answers
89 views

Selecting a boot drive for Hyper-V 2012 server - is a boot drive performance important?

I'm setting up a new Hyper-V 2012 server dedicated to virtualization and I'm trying to determine the best choice for the boot drive. I have 2x250gb SSD drives i'm considering for storage pools for ...
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0answers
34 views

Using VHD disk as a centralized backup device?

i have 2 physical servers (3rd will come later) and 2 hyper-vs on 1st one. I would use Windows Server Backup utility for backup all systems. Was thinking about to buy NAS, so i bought it, Synology ...
3
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0answers
107 views

Most VMS refuse to start

Setup: Virtual Host, running server 2012, hosting around 10 production VMs Problem: Last night, 2 VMs stopped with no warning, event log notification, or any information. The rest of the VMs on this ...
2
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1answer
103 views

Disk Space Difference On Hyper-V Server OS VS VM Guest OS

I have a Windows Sever 2012 Standard 64-bit running Hyper-V. The Hyper-V is hosting a guest OS of Windows 7 Professional 32-bit. I noticed that I was running out of disk space on my server. So I ...
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1answer
492 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 ...
3
votes
3answers
158 views

Can a Hyper-V machine be made slower and/or emulate a slow network connection?

I need to reproduce an issue with a client-server asynchronous communication (a bunch of JavaScript AJAX vs. an OData api), seemingly caused by some race condition in the calculations when the server ...
0
votes
1answer
38 views

Re-purpose DD660 (DataDomain) for VM Storage

We have an un-used DD660 (DataDomain) and an un-used x3650 M2 that we are wanting to use as a test bed for playing with Hyper-V as we look into it vs. VMware. Has anyone used a DD660 is simply ...
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votes
1answer
25 views

What's the difference between import virtual machines types in Hyper-V 2012? [duplicate]

I was importing a virtual machine to my Hyper-V manager and I got 3 options: Register the virtual machine in place Restore the virtual machine in place Copy the virtual machine What's the ...
0
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2answers
65 views

How should I set up my Hyper-V server and networks topology?

I am setting up a pretty decent server running Windows Server 2008 R2 to be a remote (colocated) Hyper-V host. It will be hosting Linux and Windows VMs, initially for developers to use but eventually ...
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1answer
65 views

Configuring 1 socket with multiple core on Hyper-V

I've got a Hyper-V 2012 running and need to configure that my virtual CPU are based on one socket. So the guest is seeing one socket with e.g. 4 core. I've found some tool called cpu z should do that, ...
2
votes
1answer
240 views

What's the difference between import virtual machines types in Hyper-V? [closed]

I was importing a virtual machine to my Hyper-V manager and I got 3 options: Register the virtual machine in place Restore the virtual machine in place Copy the virtual machine What's the ...
0
votes
0answers
82 views

Lots of packets pruned from receive queue because of socket buffer overrun - reason to worry?

I know this question has been asked before, but maybe not in this particular context: I have a setup with a couple of MS2008R2 HyperVisor servers running a number of Ubuntu guests. Our webproxy runs ...
2
votes
1answer
334 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 file ...
2
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1answer
54 views

Hyper-V 2012 R2 Generations

Can anyone differentiate between generation 1 and generation 2 in details? Just like a comparison to make to much more clear. Thank you
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1answer
34 views

Hyper-V prevented starting virtual machine because it is prepared for failover

I got this error while I was using Hyper-V Replica Hyper-V prevented starting virtual machine because it is prepared for failover. Any Solutions?
1
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1answer
85 views

How to add NT Virtual Machine\Virtual Machines to GPO?

I have a Windows 2012 Server with Hyper-V enabled and a few virtual machines. My current configuration has a few account in the "Log on as a service" list in the domain policies, and sometimes this ...
2
votes
4answers
194 views

new hyper V High Avaliability setup and SMB 3.0 storage

I am looking at building an new 2012 R2 with Hyper V setup, everything has to be HP hardware. 2x HyperV 2012 R2 servers running 20-30 VMs. These will be dual 6 core xeons with 128gb of ram. 2x 2012 ...
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0answers
28 views

How can I resolve the error “Hyper-V failed creating a new partition.”?

I noticed that one of the servers I had set up recently was saved and then restored by Hyper-V without anyone having requested such an action. I checked the event log and saw the following error in ...
2
votes
1answer
402 views

How to delete hyper-v virtual switch extensions adapters from device manager

How to clean that hyper-v mess? I just want to delete all of them. And yes, right click -> uninstall does nothing :( I tried deleting the regedit entries and got a permission denied. I tried to ...
0
votes
1answer
102 views

How to exclude VHDX disk from snapshots on Hyper-v

(I'm using the built-in Hyper-V that comes with Windows Server 2012 R2) I want to play with my snapshots while I have a separate disk that would not be affected by those snapshots, thus I can store ...
0
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1answer
48 views

Hyper-V How to define “auto revert” to a snapshot after each reboot

I'm using the built-in Hyper-V that comes with Windows Server 2012 R2 and I'm looking for the option that lets me to set "auto revert" (or "auto apply") to a specific snapshot after the machine is ...
0
votes
0answers
21 views

Hyper-V Server R2 (free) with Windows Server 2012 R2 Essentials as guest [duplicate]

It's my understanding that Windows Server 2012 R2 Essentials now includes the Hyper-V role with the license to use it only as a core install and running Windows Server 2012 R2 Essentials as the only ...
2
votes
2answers
52 views

Hyper-V: virtual machine in a virtual machine

is it possible to create a virtual machine in a virtual machine? Let's say I have a virtual server with SCVMM installed and I would like to create a new VMS in it.
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11answers
2k 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 ...
1
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3answers
125 views

centos unable to access the internet

Problem Cannot access the internet. CentOS guest isn't receiving incoming traffic. Private network is fully accessible. Scratching my head here... I don't have this problem on ...
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votes
1answer
82 views

Use Hard Drive as Ram for Hyper-V [closed]

Is it possible to use hard drive space as virtual RAM for Hyper-v? I am using Windows Server 2012 R2 Enterprise as the host and we are running Ubuntu 13.10 as the client OS.
1
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3answers
58 views

Is it possible to Migrate Live VMs from a Windows 2012 Hyper-V Cluster to a different 2012 R2 Cluster?

At the moment I'm in a bit of dilemma because I know that Windows 2012 supports "Shared Nothing Live Migration" but recently I got to know that this feature is available for stand alone Hyper-V ...
3
votes
1answer
286 views

Hyper-V and AD --> recommendations for small site? [closed]

I have a dilemma about how to proceed with new AD / Hyper-V installation and would appreciate your views, experience and advice. Situation: we are a small company with single site (25 users) and few ...
1
vote
1answer
41 views

Network Hyper V host with Virtual Machine

Forgive me if this has been asked or is very rudimentary but I am just starting out and need to get this configured. I have been looking around and can't seem to find an answer. I have a host server ...
0
votes
1answer
180 views

Correct VHDX sector size in Hyper-V enviroment for a RAID array

What is the correct sector size (which available in Powershell as options, when creating a new vhdx) for RAID10 array with default stripe size? I am using LSI 9271-4i controller and 4x Seagate ...
4
votes
1answer
169 views

Optimization XFS on Linux guest in Hyper-V (VHDX)

In our company we're using Hyper-V (Windows Server 2012) hypervisor and VM to organize our in-company services in our data-center. I am supposed to set up Ubuntu 12.04 LTS guest for our main database ...
0
votes
0answers
172 views

Poor network performance when fileshare with CentOS on HyperV

I own Fujitsu Siemens server (TX100 I guess – I am not able to check this as I manage it remotely). I have got Windows 2008 Standard R2 sp1 installed. On this server I run Hyper-V and in it I have ...
0
votes
1answer
87 views

Hyper-V RDP image viewing lags

I really need some help with hyper-v and RDP connection issue. SCOPE: SERVER (dedicated): Xeon E3-1230V2 (3.3 GHz), Intel S1200BTLR, RAM 32 Gb; HOST OS: windows server 2012 64-bit; VM OS (hyper-v): ...
1
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1answer
142 views

Converting Hyper-V VMs to VMware ESXi VMs (Not with Live Migration)

I am facing a small issue for converting my Hyper-V VMs to ESXi VMs. I have 1 physical server. On that physical server I have Windows Server 2008 installed with the Hyper-V role. My 1 Hyper-V host ...
0
votes
1answer
17 views

Add-ClusterVirtualMachineRole generates an extra report line

A 3rd party contractor built our sister sites Windows 2012 Hyper-V hosts and they appear to have enabled some setting on one of them that generates an extra report when the following cluster ...
0
votes
1answer
77 views

How to automatically create a Hyper-V VM and install an app using PowerShell

I am designing a testing infrastructure for a WPF application. I want a system that will create a VM when a new MSI appears in a folder, and install the MSI on the newly created VM. I am using Hyper-V ...
3
votes
1answer
159 views

Can Hyper-V host join a domain of a virtual machine domain controller on that same host?

Learning about Failover Clustering with Hyper-V. I have two hyper-v nodes(servers). I want to add them to a failover cluster, but it said that the nodes must be in a domain to join failover cluster. ...
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0answers
158 views

Hyper-V: NAT Port Forwarding [closed]

I rented one dedicated server (Win Server 2012) with one adapter/static IP address. I want to install Hyper-V and guest OS (Win also), that can expose some of its services to the internet. For ...
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1answer
24 views

EFI virtual machine on Hyper-V

Is it possible to create EFI virtual machine running on Hyper-V? Which Hyper-V version should I use?
0
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1answer
47 views

How can I quickly relocate an entire virtual machine to a new location?

We are using Hyper-V in a clustered Server 2008 R2 environment with 3 identical hosts. Virtual machines are stored on cluster shared volumes (CSV's) on a SAN backend connected via iSCSI. What is the ...
0
votes
1answer
20 views

Missing Enchanced Session setting in Hyper-V Manager

I have a Windows 2012 Server running with a Hyper-V role. Wanted to enable Enhanced Session setting, but I cannot find it under Hyper-V Manager settings. What gives?