Questions tagged [hyper-v-server-2012]

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File open/copy extremely slow after VM moved to new host

I shut down and exported a Hyper-V VM from one host and imported it to another (did it with several actually). However only my 2 VMs still on 2008 are acting really odd. They are running Server 2008, ...
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2 votes
1 answer
375 views

Stop redhat changing mac address when changing host in hyper v 2012

We have a Windows Server 2012 Failover Cluster with three hosts. We have a Redhat vm in the cluster that can freely migrate between the three hosts. But every time the vm migrates to a different host ...
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3 votes
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Hyper-V: allow communication between two internal NAT networks

I am a bit new to networking in Hyper-V, and I am not sure how to connect two separate NAT networks to each other. I used the following link to create two internal NAT networks: https://www.petri.com/...
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How to make hyper-v automatically resume replication?

Lots of times I find that I have to click "Resume Replication" on my Virtual Machines. Supposedly, this is a "by design" thing after a reboot. Well, I have hosts staying up for weeks and then ...
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It is possible to give access to VM in hyper-v windows server 2012 outside the server?

I have server with windows server 2012 and hyper-v. I have created VM on it, can i access this VM console from any browser? java access or something like proxmox in Linux. I just want my client ...
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3 votes
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Hyper-V hosts inconsistent network connectivity

I am having trouble with two of my servers that stopped being able to communicate (in a weird way). Servers are both Microsoft Hyper-V Server 2012 (the ones without GUI). Name: HVS1 Ip Address: 10.0....
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Hyper-V fail-over network replication ports (do i need HTTPS inbound to source server?)

I have replicaton of a local server to a remote server and all is fine (the remote server is enabled as a replica server, with HTTPS inbound). In the event i perform a planned failover to the remote ...
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how to view memory used by operating system and web server in hyper v [closed]

I have a situation where i need to view memory and disk space used by operating systems (windows2012r2 and centos) and web servers (IIS(windows2012r2) and apache(centos)), both of them made as a ...
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2 answers
3k views

WIn-10 On Server 2008 R2 Hyper-V

I have been running on 2008 R2 for a few years now though I had to replace the server hardware last year. My server is simple (systems info. below) and is basically running MS SQL Server 2014, ...
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Windows Server 2012 Datacenter - Cannot activate Hyper-V 2012 Standard edition with AVMA keys

There are a huge number of variations on this problem, but none I can find that exactly match my issue. I am just trying to get VM with Win Server 2012 R2 Standard to activate its AVMA key license ...
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Ensure that two HyperV VMs run on the same cluster node

I'm running a Hyper-V cluster with three nodes that host a collection of VMs between them. When we need to service a node we can live migrate the roles on that node to one of the others. What is the ...
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Windows 2012 R2 Hyper-V SAN Configuration

Struggling with what I thought would be a pretty easy setup and can't really see where I am going wrong. I have 2 Dell Hyper-V hosts running Server 2012 R2 connected to a Dell MD3800 SAN via 2 Netgear ...
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-2 votes
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I am not able to import all vm in hyperv

When importing the VM from hyper-v server not allow to import all VM? New server 2016 is installed and tried to import the all VM but not allowed.
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Viewing Hyper-V VM without connecting

Is there a way to see the screen of a Hyper-V vm without actually connecting to the vm? Like the small preview screen at the bottom left hand side on the Hyper-V Manager window. I need to monitor ...
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1 answer
1k views

How can I reboot a Hyper-V guest after bluescreen?

We have a Server 2012 as Hyper-V host with several virtual machines. In one of these, a Windows 7 guest system crashed into a DRIVER_POWER_STATE_FAILURE bluescreen saying "Collecting error information"...
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1 answer
201 views

Hyper-V Host, with Windows SQL Server 2012, Boot Failed

This question has been asked plenty, but none of them resolve the issue for me. I have a hypervisor (Hyper-V 2012). When I go to add a new VM from this .iso, which is the Microsoft SQL Server 2012 ...
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Error 0xc0000225 after Hyper-V Role Install Win 2012 - A Required device isn't connected or can't be accessed

So I got a new Lab computer which I installed Windows 2012 (non-R2) on. It is a Lenovo 9080 Eraser X315. It is just a random gaming PC. Whenever I try to install the Hyper-V Role on it, I get the ...
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2 votes
2 answers
308 views

Off-site failure backup of Hyper V machines

This is my first time doing this so help would be much appreciated.. I have 3 hyper v servers one for active directory one for iis and one for sql. I have built a new machine that is offsite that I ...
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2 answers
173 views

Domain Controller Hyper-V Snapshot usage

I have read a lot about how bad domain controller snaphots are due to possible inconsistencies being created. They all seem to be only related to the case of having multiple DCs, like you have in a ...
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-1 votes
1 answer
462 views

Hyper-v manager different domains

I have two offices each have there own domain. Domain-A Domain-B Each site has its own windows 2012 R2 HyperV GUI server. The sites are connected using SonicWall persistent VPN's Id like to use each ...
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1 answer
842 views

Is adding virtual switch to Hyper-V safe over RDP with default settings?

I'm connected to a Windows Server 2012 R2 over RDP. Hyper-V feature is enabled and I have created a virtual machine. Now I need an external virtual switch so I can access the VM from outside. I have ...
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What is the best way to restore a Hyper-V VM server?

I backed up a hyper-V VM 2012 server on to a network share to try to run through the process of restoring. I used the windows iso on the VM and selected to restore from the network back up. ...
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2 answers
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What kind of disk controller does Hyper-V need to use for a restoring a non-VM image?

Every time I try to restore an image, whether it is Clonezilla or from a backup program, it always fails in Hyper-V (and VMWare). I get a BSOD with several hex numbers, including 0x0000007b ...
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-1 votes
1 answer
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Windows Server 2012 - Two NIC - Two VLAN - Test enviroment and Production best practice?

Tips and best practice on having a test enviorments with Hyper-v. We got a Windows Server 2012 Datacenter server with Hyper-V (testserver) set up in our domain. This server is used to create virtual ...
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1 answer
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Can Hyper-v 2012 Server Bare Metal (the free version) boot into a VM automatically?

If I have two guests installed using Hyper-v 2012 "evaluation" (unlimited) free version, can I make it so a guest OS boots automatically and the user never sees the Hyper-v login? I have a laptop, ...
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2 answers
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Migrate a ubuntu VM on virsh to a hyperv 2012 server

I have an ubuntu 13.04 server virtual machine on an ubuntu server 13.04 running libvirt 1.1.1. I want to migrate this to a hyper-v 2012 R2 server. I'm not terrible familiar with linux, and would ...
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5 votes
2 answers
129 views

Hyper-V on 2012R2 HyperV Edition or 2008R2 Standard Edition?

We are currently running VMWare ESXi, with 1 Windows 2008 R2 Standard instance, 1 Windows 7 instance and 2 Linux instances. So, recently I wanted to upgrade my server, because there were a lot of ...
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1 answer
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Hyper-V error when enabling replication

I am trying to enable replication between two servers running Windows 2012 in different data centers. I've configured them for certificate validation over https. When I attempt to enable replication ...
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2 votes
1 answer
592 views

Hyper-V dynamic virtual disk will not shrink

We have a number of Win10 .vhdx disks provisioned at the default of 127Gb but I would like to reduce the maximum to a more sensible 40Gb. Some disks have shrunk fine but others, for no apparent ...
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5 votes
3 answers
936 views

Hyper-V guest failover cluster file server

Environnent is full Windows Server 2012 R2. I have a Hyper-V cluster on which I host a testing fail-over cluster file server with 2 guests. Guest cluster is running and file server role installed ...
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1 answer
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Slow transfer speeds between Hyper V guest and host

I have a Hyper V host on windows server 2012 and a guest virtual machine also Windows server 2012. I have two NICs..one is assigned to the guest and the other the host. DNS is fine and external ...
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Hyper-V Replication & Large Machine Observations

I have Oracle Unbreakable Linux 6.5 which runs Oracle ERP application & Database it has three VHDs 80 GB , 600 GB and 120 GB on daily basis it creates RMAN backup approx 32 GB which stores on 120 ...
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-1 votes
1 answer
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MS Server R2 Standard & Hyper V

We have a physical 2012 R2 Standard DC. Can the Hyper-V Manager be loaded and two Virtual servers be created within the licensing of MS 2012 R2 licensing?
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Why are Win 2012R2 virtual machines not in time synch with hyper-v host?

We have a Win 2012R2 server that runs (using hyper-v) 3 Windows 2012R2 VMs. Configuration The hyper-v host is configured to sync its time using NTP with be.pool.ntp.org, see left screenshot The 3 ...
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1 answer
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Is it safe to open an IDE HyperV VHDx as SCSI?

I adopted a HyperV environment and I'm trying to squeeze every bit of performance I can get out of it. Some of the virtual machines in the environment have IDE drives instead of SCSI drives. Is it ...
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2 votes
0 answers
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Hyper-V NIC Teaming - Host *AND* VM

All: In a Server 2012 R2 environment, would there be any advantage of teaming vNIC's inside (max team size is 2 I believe?) a WS2012R2 Hyper-V VM when the VM is connected to a vSwitch comprised of a ...
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1 vote
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Microsoft Hyper-V and Linux on 1 drive, Linux data on different drive?

I would like to run Windows 2012 and Linux as a VM both on my C: drive. Would it then be possible to assign Linux a partition on the D: drive for all of its data storage? My goal is to have all ...
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1 vote
1 answer
741 views

Manage Windows Server 2012 and trunk the Hyper-V VM (same physical NIC)

I'm trying to use Hyper-V to deploy a pfSENSE box inside of it. But, the scenario is: 3 VLANs VID: 1000 VID: 2000 VID: 3000 On a physical switch port, I've tagged the Server physical port with ...
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0 votes
1 answer
38 views

Update Hyper-V Server 2012 (free version) to r2

Is there any way to patch Hyper-V Server 2012 to Hyper-V Server 2012 R2? Or I need to download & install new version instead with manual VM migration? I tried to google it, but found answers ...
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2 votes
2 answers
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Virtual Machines in Windows Server 2012 Core Hyper-V going Off-Critical

I have a server running Windows Server 2012 Core Hyper-V. This server currently hosts two virtual machines (one Windows Server 2008 and one Windows Web Server 2008). Occasionally, without any warning, ...
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5 votes
2 answers
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Windows Server 2012 R2 and TCP slow start and Hyper-v hosts

I need to change default value of TCP InitialCongestionWindow I read this document: https://www.iispeed.com/blog/windows-server-2012-and-tcp-slow-start I tryed it on our hyper-v hosted virtual ...
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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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0 votes
1 answer
378 views

Hyper-V 2012 EAL 4 certified

Is the Hyper-V 2012 (R2) hypervisor EAL4 certfified? I only found an EAL4 certification for Hyper-V 2008, but not for newer products.
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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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2 votes
2 answers
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Should hosts and guests be separated?

just setting up first small Hyper-V system (2012 R2). Will be a small box with two guests, one DC and one Exchange, for about 10 people. No cluster, all disks are local. There are two NICs that I plan ...
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Inherited Ill-Conceived Hyper-V Thin-Client Environment: what now? [closed]

I have a new client that has purchased 10 thin clients. The thin-clients are each operating as users of a single Hyper-V virtual machine running Server2012. The VM is running on its own server, also ...
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10 Virtual Machines with 1 User or 1 Virtual Machine with 10 Users?

I have just taken on a client that wants to use Hyper-V and thin-clients together in a 10-client workspace setup. There is a single server with Windows Server 2012. Is it better to set up a single ...
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0 answers
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Hyper-V CentOS 5.11 kernel: journal commit I/O error

Running CentOS i386 5.11 with Hyper-V I have found an issue where a newly installed (and updated via yum) box has corrupted itself the first warning was in the SSH session kernel: journal commit I/O ...
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4 votes
2 answers
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Hyper -V 2012-R2 Expanding VHDX for VM did not expand the current file size

Hyper-V 2012-R2 with 1 VM (Windows 7). I increased the VM disk size from 60 GB to 80 GB and the operation completed OK. When I click on "Inspect Disk", it says: Current File Size: 59.97 GB Maximum ...
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4 votes
1 answer
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Set USB HD to Better Performance on Windows Server Core

I have a USB hard drive plugged into a server running Windows Hyper-V-server, which in many respects is like Windows Server Core in that it has no GUI and no way to get to device manager. On a normal ...
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