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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Run shell command on Azure Linux VM from PowerShell

I have a Linux server on Microsoft Azure. It's an Ubuntu 14 Server. Apparently, I've done something wrong with the UFW (firewall) configuration and now I can't ssh into machine at all. I need to ...
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51 views

Binding multiple public IPs to one Hyper-V Virtual Machine

I have a Windows 2012 R2 with Hyper-V running. I have created an external Virtual Switch and a VM ( virtual machine). The VM has it's own public IP. I can ping that VM from a remote computer and it ...
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0answers
42 views

Hyper-V and Openswan

I have Openswan on Hyper-V and I have notice that for every tunnel I have there is no route. So the tunnels are established, local pc can ping each other. With "ip xfrm policy" the policy are shown, ...
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2answers
904 views

Hyper-V host with one External IP address. How do I assign guest VMs an internal IP and configure NAT?

I've been struggling with this for a few days now, I've got a Hyper-V host with one statically configured external IP address. There is no DHCP server or internal network to retrieve an IP. How do I ...
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0answers
780 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
90 views

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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0answers
151 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 ...
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0answers
49 views

Hyper-V Replication Failures

I have 2 sites with failover clusters running Hyper-V 2012. When I started this job the production website (site A) was on Server 2008 running Coldfusion 9, SQL 2008 all on one machine. I upgraded ...
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0answers
87 views

Hyper-V Guest looses network connection when configured with VLAN id and NIC teaming

I have Windows Server 2012 R2 Standard host with two physical netwrok interfaces configured for teaming (Hyper-V Port). Virtual machine is assigned Hyper-V Virtual switch, and only then virtual ...
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2answers
294 views

Windows Server 2008 NLB doesn't respond to ARP request

I have two instances of Windows Server 2008 running in Hyper-V VM's. The two instances are configured in a multicast NLB. I can ping either node from another subnet, but I get a timeout when pinging ...
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1answer
272 views

Fedora 22 Server on Hyper-V: Cannot reach httpd

I have created a WinS2012 Hyper-V Guest running Fedora 22 Server. HTTPD is running on the guest and listening on ports 80 + 8008. I have checked selinux - both ports are allowed for httpd. I can get ...
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0answers
222 views

Hyper-V lost synthetic NIC after Debian 8 dist-upgrade?

I'm running a Debian 8 vm on Hyper-V (Win Srv 2012R2) and when I did a dist-upgrade of stable, I lost all network connectivity. Using the console, I was able to see the network interfaces as UP but ...
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1answer
49 views

Separating test environments

We're utilizing TFS and Hyper-V with SCVMM for our testing environments, but unfortunately we don't have any network separation right now. We had to create our own domain in order to most effectively ...
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0answers
83 views

Hyper-v virtual machine acting as two separate vm's

I have a Hyper-V virtual machine (vm1) that has two separate instances of itself. I can log into what should be the same VM (vm1) through Hyper-v and RDP (Remote Desktop Connection) with the same ip ...
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0answers
25 views

Force disk cache even if guest uses direct i/o

Have IBM db2 on Rhel on Hyper-V on Windows Server. The *.vhdx file is on CSV. e.g. C:\ClusterStorage\volume1\hyper-v\oktest-lb1\oktest-lb1.vhdx. db2 uses O_DIRECT flag (uncached i/o) for its database ...
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1answer
101 views

Hyper-V VLAN with static IP

Trying to setup/simulate Hadoop cluster locally via multiple (hyper-v) VMs. I'm using hortonworks sandbox image for hyper-v which runs centos linux. I can hit the vm, if I use an internal switch and ...
2
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1answer
2k views

Veeam Hyper-V backup error: Microsoft Hyper-V VSS Writer VSS_WS_FAILED_AT_POST_SNAPSHOT

I have an error from a Veeam Hyper-V backup of a Virtual Machine in a Hyper-V host: Unable to create snapshot (Microsoft CSV Shadow Copy Provider) (mode: Veeam application-aware processing). Details: ...
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1answer
37 views

Virtualized IIS 7 Intranet page is slow when querying against SQL database

OK… I’ve been tasked to figure out why an intranet site is running slow for a small to medium sized company (less than 200 people). After three days of looking on the web. I’ve decided to post what ...
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0answers
98 views

Setup server hosting hyper-v as a router

I have a windows 2012 server hosting several windows VMs by hyper-V. As I was building this infrastructure at home all VMs got IPs assigned from my home router (DHCP). So both hyper-v manager and VMs ...
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2answers
115 views

Does a dynamic VHD automatically add space to its local drives?

OK, this might be a stupid question but I'm new to this. Dealing with Hyper-V server 2008. So let's say I got a dyamic VHD which has a 70gb max when i inspect it in Hyper-V, and then the C: drive of ...
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0answers
112 views

Shrinking and extending disks on Server while running?

So I have a server with Hyper-V and a Drive C: (OS) and D. Drive D stores all of the VHDs that I run. Drive C shows up as Disk 0, and D as Disk 1 under Disk Management respectively. Now Drive D gets ...
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1answer
295 views

2012R2 Hyper-v host CentOS7 guest slow network speed over external network

I have a Hyper-V host on win2012R2 (Version 6.3.9600) with two gigabit network adapters, one of them connecting to a gigabit router (the another one is currently out of use because lack of a gigabit ...
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0answers
41 views

Can I backup a VHD to an identical system and boot in case of hardware failure on the original?

Pretty much all in the title. I'm already using Hyperoo to backup the vhd file to a identical server and was wondering if it would be possible to add the vhd file to a Hyper-V virtual machine and ...
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1answer
29 views

Refreshing VM with limited Disk SPace

I have a Hyper-V machine that crashed. I am trying to refresh it but the disk is too small when I load the disk.ISO in. I tried to expand it but I still get the screen. Is there a way to add the added ...
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3answers
764 views

Can we build a Hyper V failover cluster without a SAN or other shared storage?

I have a question about Hyper-V Failover Cluster. I have 2 server Hyper-V and want to use a failover cluster. As far as I know, I need a SAN server for that, so do we need it in here?
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2answers
559 views

Hyper-V & SSD Best Performance

I'm building a Hyper-V host using Windows Server 2012. It will be hosting 3 Hyper-V images. I have a SSD and a larger standard HD. I cannot fit everything on the SSD. Performance wise, will I be ...
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0answers
277 views

Unresponsive Server 2012, may be because of Hyper-V

there is a setup: ProLiant, Xeon, 16Gb on the host, 3 VMs (2 servers 2012 + Win7). Not all three VMs work simultaneously all the time. The problem is that sometimes host (and mostly all guests) ...
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1answer
54 views

Hyper-V Server Deployment - adapter configuration

I'm sure this question will have been asked somewhere before. In fact I'm sure I've read about it before too, but I can find any resources to help me along my way. What I'm trying to do is deploy a ...
2
votes
1answer
792 views

Hyper-V VHDx Compacting & SIzing Issue - No Minimum Size, Unable to Shrink

Trying to recover ~450GB unallocated space from a VHDx total filesize. Thanks for taking a look at this issue: Hyper-V Server 2012. Dynamic VHDx (we'll call it disk2.vhdx) with a file size of 1.5TB ...
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1answer
641 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 ...
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2answers
171 views

Why does a Hyper-V, Windows Server 2008 R2 server occasionally stall?

I'm running a Virtual Machine server on Hyper-V that stalls about once a week, effectively rendering certain services it is running to be useless. -The physical host machine CPU: 6-core Xeon E5-...
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2answers
321 views

How to open Hyper-V Manager in Hyper-V Server 2012?

In Windows Server 2012, to open Hyper-V Manager, in Server Manager I would just go Tools >> Hyper-V Manager. How do I open Hyper-V Manager in Hyper-V Server 2012? I want to allow replication to this ...
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1answer
62 views

Hyper V and NAT Redirect IP on different VM

I have 2 IPs public (but one physical network port) and i want redirect IP public 1 on my VM 1 and, IP public 2 on my VM 2 But when i check my NAT configuration i can just redirect port on my interne ...
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0answers
3k views

Server 2012 R2 Hyper-V Virtual Switch host mac address conflict 331FLR

I have 3 new HP DL360G9 servers all running Server 2012 R2 standard with the Hyper-V role installed. All the servers have the built in Intel 331FLR 4 port gigabit nic. I have the ports teamed into 2 ...
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1answer
229 views

converting physical windows 2003 server through disk to vhd tool to hyper-v server

i am trying to do P2V conversion through disk to vhd tool. conversion is successful but after conversion when i attach the disk c: drive or d: drive its shows additional drives in disk management same ...
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0answers
214 views

powershell command to get a list of all the snapshot in vmm (hyper-v)

i am using below script to get snapshot which are associated with my particular VM, but i am getting only recent snapshot information , can someone correct me in below script - $vmcheck = Get-VM -...
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votes
1answer
185 views

Hyper-V Guest data encryption

I have a new requirement to encrypt the data inside an sql database while it is at rest. So far I've looked at Bitlocker (see below), and other commercial products (I won't name because I'm not ...
0
votes
1answer
519 views

What is the correct way to add license keys to Hyper-V servers and guests?

I have a Hyper-V server and I have three 'Windows Server 2012 R2 Standard' licenses (ROK, not VL). I am wondering with what keys must I activate what servers with? Is the following the correct method? ...
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1answer
290 views

Hyper-V disable internal firewall

How can I disable a firewall on my internal network? Problem I have a Hyper-V on a Windows Server 2012 R2 with one VM, when I disable the firewall I can get internet on my VM, but when I turn on ...
0
votes
1answer
29 views

Replicate Partition Over Network

Is there a way, in Windows Server 2012 to replicate two same-size partitions over the network in real-time, preferably at driver level (not user-land)? I am asking for two Hyper-V servers. There is ...
2
votes
2answers
5k views

The application encountered an error while attempting to change the state of 'WindowsServer2008'

I've had a Hyper-V running Windows Server 2008 for about two years. Today I did a Save on the VM in the Hyper-V Manager and then restarted my computer. When computer restarted I went to Start this VM ...
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votes
2answers
407 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. ...
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vote
1answer
228 views

WDS with Domain Admin Credentials Can't Join Windows 7 to Domain

I have a WDS server configured on Windows Server 2012 R2 running as a Hyper-V guest OS ontop of a Windows Server 2012 R2 physical server. I've installed and configured WDS and Microsoft Deployment ...
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0answers
53 views

Debian 6.0.10 on Hyper-V

I have a vendor supplied appliance that was developed for V-Sphere, that I am trying to convert to run on HyperV. So far, I have converted the v-Sphere virtual Hard drive to a HyperV one, and have ...
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3answers
2k 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 ...
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1answer
57 views

Hyper-V VMs no longer working with status Paused-Critical

We have a VM server which has been working well for years now. I was using a VM from it just 3 weeks ago. Today I look and see all VMs on it are set to status "paused-critical" In the event log ...
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1answer
845 views

Moving BIN files from C:\ drive - Hyper-v 2012

A lot of VMs have been created on a Server 2012 Hyper-V host and as a result the BIN files have started to encroach on the C:\ drive space. I am guessing during their creation they have not looked to ...
2
votes
1answer
2k views

Do I need to use Sysprep to clone VMs on my personal lab? [closed]

I’m a programmer and I’m trying to build up my personal Lab. I have a machine with Hyper-V Standalone Server 2012 R2 installed. I need to create VMs which will be used for testing applications, ...
2
votes
1answer
146 views

Hyper-V performance and the Save State BIN file

The Hypothetical Scenario. Our small business server has 2x 400GB SSDs and 6 slower 7,200rpm SAS drives. We create a RAID1 array for the SSDs (henceforth Fast Disk) and a RAID10 array for the 6x SAS ...
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1answer
209 views

MS Data protection manager restore files from linux vhdx

We are backing up our few linux VM servers (Centos 6.6 with VSS , Online backup) in Hyper-V 2012 R2 with Microsoft Data Protection Manager 2012 R2. Its backing with Online method. In Windows VMs ...