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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Virtualized pfSense 2.0.1 affecting Hyper-V host connectivity? arp?

The Setup I have setup pfSense 2.0.1 (64bit-amd image) as a host in Hyper-V. As described in other blogs I had to do the “ifconfig down deX”, “ifconfig up deX” to get the network up and running. The ...
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69 views

INACCESSIBLE_BOOT_DEVICE on Hyper-V 2012 R2 virtual machines

I have a Hyper-V 2012 R2 cluster, 4 Dell PowerEdge R620 servers connected to a Dell PowerVault MD3600F storage array by means of FC connections; it's all pretty straightforward, all servers run ...
3
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0answers
432 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 ...
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425 views

Windows Server 2012 - Hyper-V - iSCSI SAN - All Hyper-V Guests stops responding and extensive disk read/write

We have a problem with one of our deployments of Windows Server 2012 Hyper-V with a 2 node cluster connected to a iSCSI SAN. Our Problem Our problem is that for some reason all of the VMs stops ...
3
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0answers
846 views

Connecting to IIS on Hyper-V Windows 8 host from XP virtual machine

I have a windows 8 machine running an XP virtual machine with Hyper-V. The virtual machine uses an 'external' virtual switch, and after 'Integration Services Setup', it can see the internet ok. My ...
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2k views

User 'X\y' failed to create external configuration store at 'D:\Hyper-V':

I have a Hyper-V server which has served me well, so far. It's been in a workgroup until recently, and has hosted four machines. I hadn't used it for a while and decided to join it to my new domain. ...
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0answers
54 views

Hyper-V Replica Capacity Planner stuck getting VM information

I'm trying to use the Capacity Planner for Hyper-V Replica tool to estimate requirements for a replica site. It keeps getting stuck "Getting the VM and VHD from primary site, this can take upto ...
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56 views

Restart Hyper-V VM on heartbeat lost

I have a Windows Server 2012R2 hyper-v host. It is running a number of VMs, including a few linux VMs. I have one linux VM that has been occationally, but somewhat regularly crashing somewhere in the ...
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42 views

How do I prevent directed broadcast packets in Hyper-V using virtual network adapter

When I connect two physical subnets by using a Cisco Router, I can configure the router to disable directed broadcasts (that could be used for example to send Magic packets for waking up Computers ...
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683 views

FreeRDP USB Redirection Not Working on Hyper-V?

I have compiled FreeRDP from the tip of the Master branch on (and for), an ARM v7 processor, (see cmake command line below). It all seems to build correctly and the basic xfreerdp client works for a ...
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0answers
443 views

Hypervisor The operation cannot be performed while the object is in it's current state

I attempted to reboot one of my VMs in the Hyper-V Manager. It's a Centos VM and all of my other centos machines are behaving as they should although I can't get this particular one to boot. I'm a ...
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691 views

Trying to boot a diskless server to Windows 2012 using iSCSI and Differencing VHDs

We are in the middle of a big VMware to Hyper-V migration at the moment. Part of this process is going to be changing some of our existing ESXi servers to Hyper-V. These ESXi servers don't have hard ...
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0answers
110 views

Windows WMI get a snapshot EnabledState

I am trying to get the EnabledState of a virtual machine snapshot using WMI. That is I try to get the EnabledState that was current for the virtual machine when the snapshot was taken. So far I know ...
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0answers
603 views

hyper-v 2012 forward all packets to a virtual NIC (promiscuous/hub mode)

I have read from numerous sources that Hyper-V 2012 does not allow all packets from a physical NIC to be forwarded to a virtual machine. My situation is described in the pic below where I want all ...
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49 views

Domain time drifting with VM DCs / host domain members

I'm following the advice given in this article: ...
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0answers
61 views

Cannot connect via RDP due to NLA error

I have one DC that also acts as a Hyper-V host. It hosts a build server, and a WDS server. Up until Daylight Savings happened a few days ago these were both working fine and I could remote in no ...
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98 views

Hyper-V VMs keep losing network connection

We had a major power loss in our server room two days ago and several Cisco Nexus 2232PP FEX devices went down. We were able to get everything back online, but since that event we've been experiencing ...
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0answers
18 views

How can I create an external switch but refrain to use the external dhcp in Hyper V?

The requirement might seem strange. I have an organisational network (external network), but I desire to create a own private network of VMs in Hyper-v with its own domain and DHCP server(which runs ...
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115 views

Conflict between Nvidia Grid K2 & integrated graphics on Supermicro VDI?

My office has a Supermicro SYS-1027GR-TR2-2NVK2 VDI server with dual Nvidia GRID K2 cards running Windows Server 2012 R2 & RemoteFX. We are an architectural firm and use 3D graphics software. ...
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62 views

Hyper V 2012 and snapshots

I have a Windows Server 2012 with HyperV role installed. I have 3 virtual servers and 2 Disks about 900 GB. One of these servers has 3 snapshots. The problem is this at we shut the virtual server ...
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975 views

How can I manage Hyper-V Server 2012 R2 from Windows 7 with PowerShell

I am tearing my hair out at the moment trying to do this. Just a couple of things to clear up: I have Windows Hyper-V Server 2012 R2 freshly downloaded and Remote Administration enabled; I have a ...
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112 views

Hyper-V Replication of VMs with Symantec Endpoint Protection Manager and Symantec Mail Security

I'm hoping for some advice on replicating Hyper-V VMs which are running Symantec Endpoint Protection Manager (SEPM) and Symantec Mail Security for Microsoft Exchange (SMSMSE). The problem is the large ...
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84 views

Hyper-V suddenly gets RAW file system

A few days ago some weird behavior started to appear on some of our Virtual Machines hosted by Hyper-V At some stage some issues started to occur. Complain 'file or directory not exists' for the ...
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481 views

HyperV guest external IP: RRAS NAT on host VS direct access to external network with Microsoft Virtual Switch?

I have Win2008 R2 HyperV host with one physical adapter running a bunch of VMs. I have a subnet of external IP addresses: x.x.x.208 / 255.255.255.240 I used to have the following setup: host OS ...
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252 views

Hyper-V client regularly disconnects network adapter

We recently installed a Windows Server 2012 R2 guest on one of our Server 2008 R2 based Hyper-V hosts. This machine was going offline every night around midnight. Upon checking the event log, I ...
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105 views

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 ...
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275 views

Debian 7 + Hyper-V and random network/DNS problems

Our department is *nix-based exclusively but unfortunately the company we're part of runs on a Windows environment and until I get budget for our own servers I have to run our servers on a Hyper-V ...
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0answers
92 views

latest integration services for Hyper-v host

I have Hyper-V hosts with both Win Server 2008 R2 and Win Server 2012. These hosts are not connected on the internet and do get security patches installed every month. How do I know if the ...
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201 views

Hyper-V: Ubuntu guests running out of memory

We appear to have a problem with Ubuntu guests running out of memory. We have several on 12.04 (LTS) and one on 13.04 and seem to have the same problem. It takes around 30 days from restart to ...
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425 views

P2V failing with Error 2940 0x80072eed

I successfully complated the P2V online but when I try to do a P2V Off line I get error. I run the Physical-to-Virtual (P2V) converter to convert the Server 2003 server. it runs to about 59% ...
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73 views

Hyper-V 2012 and VM web server http

I have a a few windows 2008 R2 Datacenter machines and a few windows 2012 Datacenter machines. I was runnin RedHat 6.2 VM on 2008 and all my other servers could access it over http until I put a VM up ...
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290 views

How to enable hardware VSS backups on a Clariion AX4-5i array?

I have a Hyper-V (2008 R2) cluster connected to a Clariion AX4-5i storage array (via iSCSI). The virtual machines are backed up using System Center Data Protection Manager 2012 running on a different ...
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645 views

How to redirect a Hyper-V COM port named pipe to a file?

I would like to redirect the serial port output on RedHat 5.7 to some recordable or reviewable medium. The normal way to do this on a physical machine is to add the console parameters to the kernel ...
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0answers
106 views

hyper-v server 2003 instance using internet connection sharing disconnects remote desktop to hyper-v host

I have a windows server 2003 R2 instance running in a hyper-v instance on windows 8. I have setup an internal switch that uses internet connection sharing to get out to the internet. It works fine ...
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0answers
4k views

USB Redirection to thin clients

I'm experiencing a problem with a client situation. We switched a user of theirs to a thin client (specifically, with a WYSE C10LE). The thin client connects to a Windows Server 2008 R2 virtual ...
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271 views

Hyper-V CentOS 6.2 errors after LIC 3.3 installation

I have CentOS 6.2 with LIC 3.3 (Hyper-V), everything is working fine but I have some errors in my /var/log/messages "eth0: Dropping NETIF_F_SG since no checksum feature." "SRAT: Hotplug area too ...
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0answers
113 views

Unindentified network in VM

Im trying to setup a test env with hyper-v. I have: Parent: WinServer 2008 R2 (With ONE physical NIC). The Parent is connected to a router. Guest 1: Win7. Guest 2: WinServer 2008 R2. Guest 1 seems ...
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0answers
1k views

RouterOS on Hyper-V (v3/2012) - any way to get it working?

Trying to set up a small VPN point to connect into a remote Hyper-V cluster using ROuterOS. Anyone got it working ON Hyper-V with the latest builds of RouterOS? It seems the legacy network adapter is ...
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0answers
129 views

Problems registering Selenium nodes on Hyper-V

Using Selenium Grid 2. Hub is running on the Hyper-V host and is listening to port 4444. I've confirmed this by browsing to it from a different PC, and by using netstat -a -t -o. However, my guest ...
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0answers
539 views

Cluster fails because of network loop

We have two hosts running 2008 R2 and Hyper-V. iSCSI SAN using a Equallogic 6k and ps4000 pooled together. They are connected to two Dell 6224 switches. I have one VLAN for the iSCSI and then another ...
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0answers
5k views

HP NC382i: Network controller failed to exchange interface with the bus driver

This morning we had an odd problem on a server running hyper-v. It was the second time we've seen the exact same problem int he last 6 months and I am a bit mystified as to the cause. The physical ...
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0answers
43 views

Hyper-V Performance Monitors Not Working as Data Collectors

I'm trying to monitor vCPU performance in Hyper-V using data collectors and while I can view the real time monitors (Hyper-V Hypervisor Virtual Processor\% Guest Run Time), whenever I try to add the ...
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0answers
201 views

Guest OS issue in Hyper-V

My company have one domain controller(win2008 R2) & One Hyper-V Host(win2008 R2 and join in the domain,one network adapter for host management and another one for VM switch). The issue now is:It ...
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0answers
869 views

How to get Hyper-V to recognize that a VM isn't stopping, it's stopped

I have a Hyper-V virtual machine that has some problems. First, its settings are apparently corrupt: The WMI object contained an invalid value in property BIOSNumLock. The WMI object contained an ...
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0answers
540 views

IPv6 network in Hyper-V private virtual network

I have created a private virtual network in Windows 2008 R2 hyper-v. Two guests with an adapter each connected to this network is able to ping each other if they use IPv4(used 192.168.10.19 and ...
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0answers
683 views

Destination host unreachable after moving to Hyper-V

Yesterday I moved a couple of Virtual Servers to Hyper-V. All went well for the exception of one server. After setting up the network like in all other server with a static IP, I cannot reach ...
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0answers
9 views

Convert Hyper-V linux machine to Gen 2

Is there any way I can easily (and without reinstalling) convert a Linux Hyper-V (gen 1) VM to a gen2 one? I know the Convert-VMGeneration cmdlet for PowerShell (this one: ...
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0answers
21 views

Why does Hyper V differs in authentication methods for live-migration and replication

Hyper-V provides different authentication methods for replication and live migration (2012 R2 based). Live Migration is using CredSSP and Kerberos and replication Kerberos or PKI-based authentication. ...
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0answers
16 views

Why Hyper v 2012 server does not show up MMC option

I have remotely logged on to a Hyper V 2012 server which is in domain from a windows 2012 server through remote desktop connection and after login the first thing which was configured to run ...
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0answers
107 views

Applying user settings on a Windows Server 2008r2 server slow from external computers

I have 2 almost indentical environments consisting of a Windows 2008r2 server host running hyper-v and on each host I have 2 Windows Server 2008r2 guests. One of them acts as Domain Controller and 1 ...