Questions tagged [hyper-v-server-2012-r2]

The tag has no usage guidance.

Filter by
Sorted by
Tagged with
1 vote
2 answers
1k views

WDS boot image doesnt want to start

I'am using Microsoft Hyper-V on Windows Server 2012 R2. I Have virtual machine of generation 2. My goal is to boot Windows PE boot image from WDS server using PXE. PXE boot seems OK. WDS starts its ...
Andy Coarse's user avatar
2 votes
0 answers
929 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: Clients ...
Mr.Tom's user avatar
  • 31
1 vote
2 answers
949 views

Windows Hyper-V Server 2012 R2 - domain name

I am starting a new environment from scratch running two servers with Windows Hyper-V Server 2012 R2 installed. From there each server will run 2 instances of Windows Server 2012 R2 standard (DNS, AD, ...
user1028472's user avatar
1 vote
1 answer
708 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 poor ...
Mike66350216's user avatar
1 vote
0 answers
39 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 ...
Chandan Singh's user avatar
4 votes
1 answer
7k 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 / ...
Jason's user avatar
  • 183
1 vote
1 answer
547 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. ...
Casper Leon Nielsen's user avatar
1 vote
1 answer
2k views

Exclude specific VHDX from online backup of Hyper-V guest

I'm using the built-in Windows Server Backup on my Hyper-V host (running Server 2012 R2 Standard) to back up a guest VM named SVR2012 (also running Server 2012 R2 Standard). Several VHDX files are ...
I say Reinstate Monica's user avatar
1 vote
0 answers
197 views

LACP, sever 2012R2, qnap NAS & FAULT negotation

I've setting up a Windows Server 2012 R2 with hyperV services. The VM's hard drives are in Qnap NAS model TS-453S PRO. Between the server and the NAS, there is a D-link switch model DGS-1210-10. I'...
Hikari's user avatar
  • 111
1 vote
1 answer
155 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 ...
OPGailey's user avatar
0 votes
0 answers
122 views

Blade Node Freezing

We have a Supermicro Blade with 2 Node. The 2 node are identical, the exact same hardware. We are using those Node to cluster Hyper-V Server. They are build with Windows Server 2012 R2. The first ...
mr.sedam's user avatar
0 votes
1 answer
363 views

Create Separate Broadcast Domains on One Hyper-V Host

I have two VMs running on a Windows Server 2012 R2 Standard Hyper-V Host. They're both DCs holding the PDC role for the same domain name, and therefore must not be able to communicate with each other ...
I say Reinstate Monica's user avatar
0 votes
1 answer
85 views

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 ...
Craig's user avatar
  • 141
2 votes
1 answer
5k views

After making my VM highly available I get "Could not find Ethernet switch" error when trying to live migrate

I normally create new VMs from the Failover Cluster Manager GUI. But this time around I went a different route because I had to (due to time constraints and available resources at the time). For ...
Arvo Bowen's user avatar
2 votes
0 answers
2k views

Can't Connect to some Hyper-V 2012 R2 servers after Windows 10 Updrade on Domain

After upgrading my PC from Windows 8.1 to Windows 10, i am unable to connect to some of our Hyper-V 2012 R2 Servers from Hyper-V Manager. Both my PC and all our Hyper-V servers are joined to the same ...
James T's user avatar
  • 21
8 votes
2 answers
44k views

Can't connect Hyper-V Server 2012 R2 after Windows 10 update?

I have a domain joined HyperV Server Core 2012 R2 machine, and a domain joined service is enabled and allows access from this computer. By default, the WinRM firewall exception for public profiles ...
Andy's user avatar
  • 593
1 vote
4 answers
11k views

Can't join host Hyper-V to guest virtual machine's domain controller

Below, is the text of a question from superuser that was never responded to. I can't find any information on this issue and have exactly the same problem. I created Domain Controller role running ...
meridian's user avatar
  • 125
2 votes
2 answers
257 views

Migrating Vmware to Hyper-V - number of Virtual CPU

I'm performing a migration from VmWare to Hyper-V and the Virtual CPU that you are assigning to a Virtual Machine is different and I'd like to know what should be the equivalent values when we move a ...
Uh Trog's user avatar
  • 105
7 votes
1 answer
953 views

Hardware requirements for 100 virtualized high performance Windows 7 desktops?

We are debating whether to add Client Hyper-V or VMWare Player Pro to new Windows 10 desktops later this year and have our developers run their developer tools in a Windows 7 VM on their local desktop....
15SX's user avatar
  • 71
1 vote
1 answer
5k 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 ...
loneboat's user avatar
  • 303
0 votes
2 answers
834 views

Should integration services always be installed on a Hyper-V VM?

Server 2012 R2, Hyper-V In researching my PDC time synchronization problems (noted in this serverfault post) I came across this Microsoft guidance at this link: "For virtual machines that are ...
Alan's user avatar
  • 1,033
1 vote
1 answer
2k views

Bitlocker without TPM on Hyper-V 2012 r2 from the command line?

I know that Bitlocker can be used from a Hyper-V Server 2012 r2 install. And I know that it can be done on a machine that lacks a TPM chip. The problem is that all of the examples I've found depend on ...
Granger's user avatar
  • 1,160
1 vote
1 answer
2k views

Hyper-v ISCSI Network Setup

I have Hyper-v installed on Windows Server 2012 R2. We are using 2 x Dell R730xd's with 8 NICS (4x10GigE 4x1GigE) per host. I would like to dedicate 2 NICS to our ISCSI network, however I am unsure ...
Dave's user avatar
  • 161
3 votes
2 answers
2k 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. ...
Joel Coel's user avatar
  • 13k
2 votes
3 answers
3k views

What hotfixes/updates does a new 2012 R2 Hyper-V server need?

I'm building several new 2012 r2 Hyper-V servers. One thing that I've read over and over again is that there are A LOT of hotfixes that i need to install on top of the regular OS updates Microsoft ...
Matt Keller's user avatar
2 votes
2 answers
1k views

2012r2 Server Mananger not showing all VDI Desktops in Collection

We are running a 4 node 2012r2 Hyper-V Cluster and using Microsoft's RDS/VDI for serving up Virtual Windows 7 desktops. Right now we have about 90 desktops in 3 collections of 30 desktops each.(I know ...
YouShouldSeeTheOtherGuy's user avatar
2 votes
1 answer
2k views

Can't access newly migrated Hyper V guest from LAN

I migrated a working Hyper-V guest server from one physical server to another by stopping the machine, copying the files manually, then importing by "registering in place". The import completed and ...
hazymat's user avatar
  • 390
-3 votes
2 answers
5k views

Creating new Virtual Machine in Microsoft Hyper-V server 2012 r2

I am new to Windows Hyper-V server 2012 r2, trying to create new virtual machine in ther Hyper-V server. Try to follow http://www.danielclasson.com/guide-how-to-create-and-configure-virtual-machines-...
Josh's user avatar
  • 103
0 votes
0 answers
3k views

Cluster Shared Volume error after server not shutting down properly

We have two IBM X240 servers (call them server A and server B) connecting to IBM disk system:V3700 via fibre HBA. The both servers are installing windows 2012 R2. We have implemented VM cluster and ...
e0594cn's user avatar
  • 123
3 votes
0 answers
781 views

Hyper-V Failing to create new VM with error 0x80070531

Running Windows 2012 R2 Datacenter, with Hyper-V role installed, domain joined, domain account is both a local admin and a hyper-v admin. If I try to create a new virtual machine (either via UI, or ...
David B Heise's user avatar
0 votes
1 answer
252 views

CloudStack Hyper-V agentshell installer crashes

Attempting to install the Hyper-V AgentShell on Hyper-V 2012 r2 per the instructions at: http://cloudstack-installation.readthedocs.org/en/latest/hypervisor/hyperv.html The installer simply crashes ...
benh57's user avatar
  • 101
4 votes
1 answer
5k views

What are the best practices for NIC teaming in Server 2012 R2? Broadcom or Windows software?

I have a Windows 2012 R2 Hyper-V cluster with two Broadcom adapters for my LAN connection. Currently, we have a virtual switch set up with SCVMM, that teams together both NICs using Windows software ...
Alex McKenzie's user avatar
5 votes
5 answers
8k views

Hyper-V virtual machine upload speed unbelievably slow

I have the weirdest problem I was hoping you could help me with. I've got a dedicated Server 2012R2 server with an Intel 82580 network adapter. It runs a couple of VMs in Hyper-V that are attached to ...
Guzzlebot's user avatar
  • 121
2 votes
2 answers
4k views

Hyper-V Manager shows 3 sockets/NUMA nodes available but there are only 2

I just stumbled above this weird NUMA configuration on one of our Hyper-V virtual machines. How comes it shows 3 NUMA nodes? This is what the Task Manager (correctly) tells me.
Matthias Güntert's user avatar
7 votes
4 answers
14k views

Two-Node Server 2012 R2 Hyper-V Cluster: Is it possible use local physical disks in the cluster?

Looking at the following Clustered Shared Spaces TechNet article, and it looks like this only applies to hosts sharing a JBOD enclosure by way of external SAS backplane. However, each host in the two-...
gravyface's user avatar
  • 14k
10 votes
4 answers
37k views

Do Hyper-V Virtual Machine Guest Operating systems need to be shut down before restarting Windows Server 2012 R2 they are running on?

I am fairly new to using Hyper-V. I am trying to learn the best practice for shutting down and restarting my server when virtual machines are running on it. I have a physical server running MS ...
BitBug's user avatar
  • 237
-2 votes
1 answer
1k views

Hyper-V Guest OS sees partition as RAW

I have a 2TB array that is partitioned into a 100GB C: and 100GB D: drives. The C: drive was a Server 2008R2 that was P2V and is now running as a guest on a Windows 2012R2 host. The Host OS sees the D:...
krubb's user avatar
  • 1
0 votes
1 answer
484 views

Hyper-V virtualization type

Does Hyper-v Server 2012 R2 use para-virtualization or Full hardware virtualization? The server I want to virtualize has 36 cores, 32 of those cores need to be dedicated to one VM that does a lot of ...
Chris12345's user avatar
0 votes
3 answers
6k views

"Access is denied" trying to bring VM-attached USB hard disk back online in Disk Manager

Windows Server 2012 R2 Hyper-V with CentOS 6.5 and CentOS 7 VMs. In Disk Manager, I right-click my USB hard drive and pick Offline. In Hyper-V Manager, I right-click either CentOS VM, and I connect ...
Kev's user avatar
  • 984
1 vote
1 answer
468 views

How to tell if a USB drive is VM-passthrough-capable before you buy it

This page says: And, not all USB disks can be presented to a VM as a passthrough disk. That is the important part. If the driver is strictly user mode the USB disk cannot be presented. ...
Kev's user avatar
  • 984
0 votes
1 answer
303 views

AVHDX internal format for use with TestDisk

I can't seem to find any info about this. What is a HyperV differential AVHDX file format internally like, for the purpose of forensic recovery? That is: Is it just straight blocks, like dd would ...
Kev's user avatar
  • 984
1 vote
1 answer
1k views

Forcing HyperV to mount an AVHDX file it thinks is corrupt

I have an AVHDX file that is part of a broken snapshot chain. However, I'm fairly certain there will be useful contiguous data on the last AVHDX in the chain, if I can run forensic tools on it. I ...
Kev's user avatar
  • 984
0 votes
0 answers
137 views

Preventing a read-write first automount after adding a VHDX onto a CentOS7 HyperV VM

I have a VHDX file (representing a non-boot ext4 fs) that I need to run some forensics on. I have a working CentOS7 HyperV VM on a Win2012R2 host. I want to attach the VHDX to the CentOS7 VM, which ...
Kev's user avatar
  • 984
0 votes
1 answer
80 views

Cannot Properly Manage Server 2012 r2 Hyper V Core

I have just installed the Hyper V 2012 r2 Core system. I was able to name it, add it to the domain, even RDP into it (which is just worthless). However, When I open up the Hyper-V Manger on my system,...
Max Sinclair's user avatar
1 vote
0 answers
778 views

Running a web service from a Win 2012 R2 Hyper-V Host - xDoS prevention

Here's the scenario. We have a Windows Server 2012 R2 Hyper-V Edition hosting three NLB 2012 R2 web servers with our product on them. They receive XML data from connected public servers and work ...
rchutch's user avatar
  • 11
5 votes
3 answers
16k views

WDS 2012 R2 Server

Background: WDS Server 2012 R2 (runs on a 2012 R2 Hyper-v server), DHCP server runs on a different server in a different physical LAN. Both Lans go into the same Layer3 switch. Currently all my ...
veel84's user avatar
  • 288
0 votes
1 answer
2k views

Hyper V 2012 R2 private virtual switch with trunk and access mode switches

Is it possible, using Hyper-V 2012R2, to construct a Virtual Switch internal to Hyper-V (no external connectivity necessary or desired), where one switch participant (VM 0 in the diagram below) has a ...
abligh's user avatar
  • 285
0 votes
1 answer
831 views

Hyper-V Failover Cluster MAC Address Handeling

Can someone please explain how MAC address assignment works in a hyper-v cluster? I have a couple machines that need to have a static MAC address assigned and want to know how the cluster handles it ...
user310142's user avatar
2 votes
1 answer
386 views

Adding new processor to HyperV server?

I currently have a HyperV Server 2012 R2 running on a motherboard that supports two processors, but currently has only one. It has 64GB of memory. I'd like to now add a second processor, moving half ...
Andy's user avatar
  • 593
2 votes
1 answer
1k views

HyperV External Switch Multiple VMs

I'm quite new to hyperv and I am having problems setting up network access for my VMs. The host has two physical network ports and I've assigned one to an external virtual switch. I've then setup two ...
Vackar Afzal's user avatar