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1answer
37 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 ...
0
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0answers
129 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 ...
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0answers
26 views

Map USB External HD to Hyper V Server 2012

I wanted to attach a USB external HD to one of my VM. I got Hyper-V Server Core 2012 R2. So I was about to follow any guides on internet (like this one Accessing USB Drives in a Hyper-V VM ), but I ...
4
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2answers
2k 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 ...
0
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1answer
59 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 ...
2
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2answers
53 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 ...
7
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1answer
633 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 ...
0
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1answer
49 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 ...
0
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2answers
49 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 ...
0
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1answer
53 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 ...
1
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1answer
60 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 ...
3
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2answers
91 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. ...
1
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2answers
202 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 ...
2
votes
1answer
63 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 ...
2
votes
1answer
167 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 ...
0
votes
1answer
182 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 ...
0
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0answers
179 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 ...
2
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0answers
67 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 ...
0
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0answers
90 views

Hyper-V windows server 2012 - Download speed not more than 10KBps from Virtual Machines

I have installed HYPER-V rule on my windows server 2012. Hyper-V created one virtual adaptor and it is linked to the physical adaptor (only one physical adaptor is there) I used powershell to enable ...
0
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1answer
37 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 ...
4
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1answer
535 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 ...
1
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1answer
187 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 ...
2
votes
2answers
151 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.
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4answers
1k 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 ...
2
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2answers
1k 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 ...
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1answer
89 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 ...
0
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0answers
33 views

Exchange 2007 P2V NSPI Proxy error appearing

P2V'd one of our Exchange 2007 servers on the weekend, it was a ShadowProtect P2V to Hyper-V server 2012 R2. Followed all the best practices etc. All went according to plan and I've been monitoring ...
0
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1answer
96 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 ...
0
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3answers
346 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 ...
1
vote
1answer
164 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. ...
0
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0answers
40 views

IPv6 DHCP for Hyper-V Guests

I have the following configuration: W2K12 with Hyper-V and DHCP Role installed, and I have IPv6 block. The goal is to assign IPv6 via DHCP to guest VMs, and make guest VM to have access to the ...
0
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1answer
24 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 ...
1
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1answer
185 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 ...
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0answers
41 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 ...
0
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1answer
54 views

Cannot Properly Manage Server 2012 r2 Hyper V Core

http://i.stack.imgur.com/hYak5.jpg 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 ...
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0answers
147 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 ...
3
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1answer
1k 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 ...
0
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1answer
208 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 ...
0
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0answers
34 views

VHD to physical disk conversion failed

We have had a happy HyperV running with several VMs until motherboard crashed. On another MB we had to install a new OS, of course HyperV does not see VMs. Tried to use VHD2Disk using a blank ...
0
votes
1answer
173 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 ...
2
votes
1answer
136 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 ...
2
votes
1answer
204 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 ...
1
vote
1answer
286 views

Why are my VMWare 5 virtual machines not booting when converted over to Microsoft Hyper-V 2012r2?

I have a Dell VMWare 5.x environment, but am experimenting with Microsoft Hyper-V (server 2012r2 64). I am using the Microsoft converter utility to move these vm's, which completes fine but the ...
0
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1answer
105 views

Is Hyper-V CSVFS supported on Linux VMs

We have a Hyper-V guest failover cluster with a few Windows VMs that are using Cluster Share Volume (CSV). Is it possible to use the same CSV for Linux VMs? Is CSVFS supported on Linux VMs at all ? ...
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2answers
604 views

File Sharing using Hyper-V Shared VHDX

Is file sharing by simply using Hyper-V Shared VHDX on CSV attached to two VMs possible ? I'm testing SVHDX in my environment and I can't get it working. We have setup failover cluster and CSV backed ...
0
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3answers
426 views

Copy/Paste for large file crashing Windows

I have a new Dell PowerEdge T320 server with 1 SSD non-RAID and 3 HDDs in RAID 5 all on one Perc H310 controller. RAM is 48 GB and I have Windows Server 2012 R2 Data Center installed on the SSD. I ...
0
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1answer
138 views

Intermitent Hyper-V Cluster Network connectivity loss - Server 2012 R2

I am running a 3 node Windows Server 2012 R2 Datacenter Hyper-V cluster on three DL560s together with a HP P2000 SAN (FC) and HP 1810-24G v2 Switches. I have been experiencing intermittent network ...
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0answers
449 views

Hyper-V 2012 R2: VM thinks disks are thin-provisioned

We are using Hyper-V 2012 R2 on a Windows Server 2012 R2 host. We have several VMs with multiple volumes (VHDX) which we initially set up as thin-provisioned (dynamically expanding). Later on, we ...
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0answers
616 views

Hyper-V 2012 R2 - MPIO config error “Access Denied”

I am in the midst of migrating to a Hyper-V 2012 R2 cluster and am currently configuring the first host to connect to the iSCSI CSV via MPIO. I "think" I have everything working properly but when I ...
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3answers
2k views

Best practice to disable SpeedStep for Hyper-V hosts?

I'm analyzing a problem where performance of CPU-bound workloads inside virtual machines often (not always) is way below what we would expect based on the underlying hardware. We're using Hyper-V on ...