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Win 2012 as guest of hyper-v 2008 not R2

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Can I run Win2012 as guest on hyper-v 2008 not R2?

According this page: http://technet.microsoft.com/en-us/library/cc794868%28v=ws.10%29.aspx

I cannot

According the KB fix referenced by that page: http://support.microsoft.com/kb/2744129

I can

So?

Has anyone installed that patch on W2008 not R2 without problem? Did W2012 run?

thanks


Hyper-v on 2012 VDI

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Hi all,

I am looking at an alternative to Citrix ZenDesktop. Basically I need to make VM available to a group of users. ZenDesktop does that with a nice presentation interface. (Web-=services).

I have been told to look at the new features withing Hyper-V in 2012 and VDI. But I can not find the integration between setting up the VMs on Hyper-v and the way to present/deliver them to users (without requiring the traditional RDP).

Wonder if you can give some guide lines on this so I can go and explore it more


Thank you

where can you downloaad HyperV 2012 Bare Metal media?

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where can you download HyperV 2012 Bare Metal media?

thanks

Running 2012 DC on a 2008 R2 Hyper-V server

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Is it a safe solution to run a virtualized 2012 server who’s only role is a Domain Controller on a 2008 R2 server running Hyper-V and two other logical partitions also running 2008 R2 ( one is File / Print, the other is a distribution point for SCCM )    

I will also have two dedicated DCs running 2012 at my data center ( as well as multiple DC at my corporate parent site ) and these remote DCs will be supporting less the 40 users each and are in place to support the remote sites during WAN outage.

The other option with the licenses I have is to upgrade the Hyper-V Manager with 2012, building the new DC partition as 2012, and run the other two partitions as 2008 R2.   Can 2012 upgrade over the existing 2008 R2 server without clearing the logical partitions?

Server 2012 NIC Team and Hyper-V Switch

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I am setting up a couple of servers that have 4 10G adaptors in them, 2 are for ISCSI storage and the other 2 are for network traffic.  I have them currently teamed using the teaming software in server 2012.  When I try to create the switch in hyper-v it gives me an error saying the adaptor is part of a team...

I only have the 2 adaptors available, do I need to break the team and assign 2 IP addresses to them and then create the hyper-v v-switch?  I am not concerned with using multiple vlans.  All the servers were going to be a part of the same vlan as the hosts.

Thank you

Best practice recommendations for setting up VMs on Hyper V

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Hello all and thanks for your time and experitse.

My first question has to do with the NIC configuration on the Host and VMs.  Here's what I've done so far:  The host has two NICs.  In virtual Network Manager, I dedicated one of the NICs soley for the Mangement (host) operating system.  I then dedicated the second NIC for the VMs.  I'll use the Host Nic to RDP and access it when I need to.  I'm using the VM Nic (connected to the external network) soley for the VMs.  The mac addresses have been assigned dynamically.    I just want to make sure I have this setup in the recommended fashion.  There will be two VMs running on this host.

My second question concerns the memory allocation.  The host has 8gb of ram. I'm going to be running two vms.  One of the vms will have 2 1/2 gbs of memory and one will have 2gbs.  That should leave almost four gbs for the host.  Is that an acceptable allocation of memory?  Would it be possible to install a third vm in this type of configuration with only 8gbs installed on this host?

Additionally, the operating system I'm running on the host is 2008 enterprise r2.  Is it still recommended to created a fixed disk or is the dymanic disk ok in terms of performance?

Your help and recommendations are greatly appreciated.  Just want to get these nodes setup correctly and for max performance.

 

Unable to enable replication

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I am having difficulty changing the replication for one of our VMs. I would appreciate some helpful advice.

The VM I am working with already has replication enabled. I want to change the replica server. Here is the situation:

No clustering. No shared storage (all storage is local to each machine.)

VHOST1 - Actively running the VM.
VHOST2 - Currently hosting the replica.
VHOST3 - Currently doing nothing. This is where I want to run the replica.

If I remove replication and then try to enable it again with VHOST3 as the replica server, I get this error: "Failed to perform the operation. The virtual machine is not in a valid state to perform the operation."

After removing replication, I can enable it on VHOST2 again with no problem.

If I go on VHOST2 and try to move the replica VM to VHOST3, I get this error:
The move operation completed, but Hyper-V could not delete a temporary version of this virtual machine that was created on the destination computer.
Deleting 'VM017' failed.
The operation cannot be performed while the object is in its current state.

I can create a dummy VM on VHOST1 and replicate that to VHOST3, but not this larger VM. Any ideas about what might be misconfigured?

Cam

Hyper V failover and load balance

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Hello, I want to know if it's possible to setup a Hyper V HA failover cluster and have VM clients on VMHostA and VMHostB as failover and load balance?

Very poor disk i/o on one virtual machine

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Hey guys, I'm hoping someone might be able to point me in the right direction.  We have a new Dell server with 12 500GB SAS 15K HDD's in a RAID 50 for the data side - the thing is smokin - 4 drive's in a RAID 10 for the OS - running Server 2008 Standard with HyperV enabled.  We currently have four virtual machines, with a few vhd's for each, two Server 2008 new installs and two Server 2003 migrated boxes.  One machine in particular, the SQL Server on Server 2003, has been noticeably slow for most users.  When running HDSpeed (http://www.steelbytes.com/?mid=20) on all other virtual machines, it fluctuates between 500-900MB/s, and when run on the host data drive, it fluctuates between 800-1100MB/s, however when it is run on this particular SQL server, both the OS and Data vhd's, it get between 10-90MB/s.  All of the drives are fixed, not dynamic, and they all reside on the same physical disk on the host/RAID array.  Any ideas as to why this may be or what I may be able to try to fix this terrible speed?  Any thoughts would be most appreciated.  Thanks!

Virtual hard drive creation on hyper-v

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I have a Hyper-v 2008 R2 standalone.  Long time ago, I created 2 VMs and installed OSs on them.  They are big drives, but I do not recall that creation of VHDs took excepptionally long.  Now I want to create 3-rd. VM.  However, this time, I am unable to create a VHD.  I have tried both fixed and dynamically..., but it does not happen.  I have waited many hours.  The size of the drive is 200 GB.  Maybe I forgot something, but it was unnoticeably easy in last 2 cases.  I do not get any error message.  When I check Hyper-V hard drive, I see the file being created, but with a little over 262,000 bytes and does not grow. 

I'd appreciate some help.  I have no problems with 2 VMs already running under this host. 


Ali I. Naqvi

Cannot access vLAN network in Htper-V

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we have setup a hyper-V server (2008 R2). we installed 2 VMs on it and these 2 VMs run in 2 seperate vLAN(i.e.101 & 102). However, we have only 1 physical NIC on the hyper-V for both VM to go out external. Thus, we do following:

1. configure a trunk port on a physical switch and connect to the network port of physical NIC in hyper-v server.

2. configure vLAN tag (i.e.101 & 102) on the trunk port

3. configure a virtual network "X" in hyper-V using the physical NIC and type "external"

4.configure the VM1 using the configured virtual network "X" with vLAN 101 & another VM2 using the configured virtual network "X" with vLAN 102

After that, we try to ping the gateway in both VM1 and VM2 (192.168.101.1 & 192.168.102.1), but both cannot reply. We check the arp but both reply invalid with 00-00-00-00-00-00

Do anyone gave idea on this?

 

hyper-v network virtualization gateway

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Hi


I am planning a small testlab for Hyper-V network virtualization and SCVMM 2012 SP1. Now I am confused about the virtualization gateway. My understanding is that when the VMs needs external connection (Internet, other physical host etc.) then I need a virtualization gateway. Right?


So, is it possible to configure a Hyper-V Host itself or a VM as a virtualization gateway for a testlab?


Moreover, when you configure a virtualization Gateway with Windows Server 2012 can you manage it through SCVMM 2012 SP1or do you need maintain it manually?

 

Thx
J0fe

Single NIC on VM for both wired and wireless

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Here's the setup. I have a laptop running Windows 8 Pro with Hyper-V installed. Typical wired and wireless setup.

Now what I would like to do is setup the system such that I only have to install a single NIC on the VM but get Internet and host access regardless of which connection, wired or wireless, is active. I know this can be done if you setup a gateway/router in a VM. That is wasted resources though.

Does anyone know of a way to pull this off with some fancy configuration on the host system?

Thanks!


I like pie!

Hyper-V Architectire?

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I have recently installed a Genuine copy of Windows Server 2012 and Hyper-V. I am confused at the architecture of Hyper-V, please could someone help with the following:

I was under the impression that hyper-v worked like VM ESX/ESX-i in that it was a bare metal hypervisor. Now I am starting to think that it is more like VMWare player etc. I noticed that main WS2012 operating system has my Virtual machine HDD on them! Does this mean that the hierachy is as such:

VM1  VM2  VM3
Hyper-V
Operating System (WS2012)
Hardware

Which would indicate like Oracle and VMWare Players all the process of the virtual machines must go through the main operating system?!

I originally thought that the hyper-v structure was more like:

OS  VM1  VM2  VM3
Hyper-V
Hardware

Please could someone give me a simple answer along with any good publications they know of which would help me explain this.

Disaster Recovery - Question about Offsite DC for DNS and Failover with VM and Storage

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Hey Guys,

I'm new to setting up disaster recovery so i'm hoping to get some clarification and some help to see if this can be done a better way.    

Our organization has:

  • 2x Hypervisors running 2012 in a cluster
  • 6x VMs running 2008 R2 (one of them being a secondary dc) stored on iSCSI Netgear Nas.
  • 1x Primary DC.  

The two DCs are replicating AD/DNS  info and sharing DHCP using the 80/20 rule.  The network is running off the 192.168.0.xxx subnet.  

At the disaster recovery site, the network is going to be running of the 192.168.1.xxx subnet.  My plan is to install:

  • 1x Hypervisor running 2012 and put in in a cluster (with the first two Hypervisors) and add on the AD/DNS role.
  • A secondary Netgear Nas where the 6 VMs are mirrored to with cluster storage.  

Now with the third DC controller, I plan on entering new host addresses to reflect the subnet change.  So for example if our printer server is usually 192.168.0.10 it would be entered as 192.168.1.10.  And as for all the computers in our organization, I plan on entering the third DNS server's ip as a  backup.  

So my thought process is that if the first two hypervisors of the cluster along with the first NAS goes down, the third and offsite hypervisor will then hypervise the 6 VMs off the secondary NAS.  When the VMs come up, the IPs will have to be manually changed to the new subnet.  

I would like everything to be automated so I'm sure there are probably better ways of doing this.  With failover in place, the VMs should move to the third hypervisor server.  And with the first NAS down, then the third hypervisor should load the VMs off the secondary NAS.  Does this sound right? Is hyper-v 2012 smart enough to do this without issues?  

I also like to ask how do I make it so the DNS role on the third hypervisor server does not get replicated DNS data from the first two DCs? Lastly is there any way to change the IPs on the 6x VM servers if they are statically assigned?  I'm guessing it has to be manual.   

Sorry I know its a lot of questions, any help is appreciated!


Hyper-V 2012 VMs lose connectivity randomly

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I've been searching on here and so far cannot find anything relevant to my problem.

3 R620 with Broadcom nics

5 nics are setup and teamed through scvmm 2012 sp1 as a logical switch with an uplink port defined. The physical ports are trunked and defined by vlans etc. I'm not a networking expert so I can only go by what I know there.

I have defined vlans within SCVMM as well and associate these as needed for the VMs. 

Internal_SRV vLAN 28

DMZ1 vLAN 20

DMZ2 vLAN 21

etc...

The VMQs is disabled also as I have seen some information regarding this to be a problem for others.

I have roughly 20 or so VMs currently running across the 3 hosts. Every once in a while one of the VMs will lose connectivity and I can live migrate that machine to another host and network connectivity is there again.

On the same host, there can be another VM on the same vlan and that VM does not lose connectivity. 

I'm somewhat at a loss with troubleshooting this because I am not seeing any errors in any of the log files on the host machines nor within SCVMM. This happens with 2008R2 VMs and 2012 VMs. There is not one specific VM that this occurs on either so I can't narrow it down to just one VM. I've tried removing the network adapters for that VM and creating new network adapters. I've tried reinstalling integration services and that has not helped. Refreshing the VM doesn't seem to make a difference either.

What else can I try to troubleshoot this problem or does anyone have any ideas as to what might be causing this? Need to see a log file or configuration? I can provide it as long as I know what to provide.

hyper-v 2008 R2 with Exchange 2010 - OK to delete snapshots and merge?

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I've got an exchange 2010 mailbox server running on hyper-v 2008 r2. A few months ago, someone created a snapshot that has grown and we're running low on space. Obviously I would prefer not having a snapshot of a mailbox server, but there's nothing to be done about that at this point. I wanted to see if there are any dangers of a corrupt mailbox DB or other issues if I delete the snapshots and shut the server down to merge them. Thanks. 

Virtual Servers on Hyper-V Server 2008 r2

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hello everyone,

I know it's an old problem and based on all the posts I found on the forum, it doesn't seem to be easy to be resolved.

the situation is that we run software on virtual servers and this software is a single thread type of application. it would run a single process on a single vCPU and maxis out, and as of now the developers of the application don't have any plans to make the software take advantage of all of the available CPUs.

I tried with the weight and relativity but it does not seem to help. so I thought to myself, what if there's a software out there that you can install on the VM and it would actually create a single virtual CPU that runs on top of all the available CPUs, so that when an application with a single thread like that one I am dealing with uses this virtual CPU, it would actually be using all the available CPUs without even knowing.

it might sound like a crazy thought I know but I already found some free ones that could actually do that, such as:

http://sourceforge.net/projects/unen/

http://sourceforge.net/projects/vcpu-64bit/

however the company I work for would not allow shareware or any free software for security reasons, so I am looking for something similar that's not free and comes with support and what have you.

any ideas?

any help or comments are much appreciated.


Mohsen Almassud

Hyper-V Server 2012 Migration Questions

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Hello All,

This is my first post here, but I have used these forums many times for information. Sorry in advance for the long post.

I have a few questions regarding migration to Hyper-V server 2012 for my production environment. I have done quite a bit of reading, but I have a few direct questions and I would like to get some direct answers.

My current production environment consists of one PowerEdge 2900 with 2 Xeon X5460 Quad Core 3.16GHz CPUs, 24 GB of RAM and a RAID 10 consisting of 8, 500 GB HDDs for a total of 2TB of storage. I am currently running Server 2008 R2 Enterprise w/ GUI as the Hyper-V host OS. I have 4 virtual machines all also running Server 2008 R2 Enterprise. The 4 virtual machines consist of 1 domain controller, 1 Exchange Server with Exchange 2010 Standard, 1 Server running SharePoint 2010 Enterprise and the remaining server running IIS with FTP and HTTP.

The network topology is as follows….

Hopefully it is clear from my diagram that the Hyper-V host OS is connected to the same physical network as the domain, but is not a joined to the domain. I set it up this way because I had concerns about connectivity and manageability because the domain controller is a guest VM. Also, the IIS server is on a completely different physical network independent of the domain.

What I would like to accomplish is the migration of the above environment to Hyper-V Server 2012 as is. I want to keep my existing guest VMs unchanged and running Server 2008 R2 for now as well as keep the existing network topology intact.

I have 3 additional servers in a separate test environment that would be able to serve as temporary storage or whatever is needed for the migration process.

Here are the two main things I would like to accomplish with this migration…

1. Make the transition from Server 2008 R2 to Hyper-V Server 2012 as a host OS.

2. Migrate virtual hard disks from .VHD to the new .VHDX format.

All that being said, I have finally come to my questions regarding this process.

First and foremost, I would obviously need to back up my current setup in case something goes horribly wrong during the migration. My question regarding the initial backup is would it be better to do a bare metal backup of the Hyper-V host or should I do individual backups (bare-metal?) of the Guest VMs from within their operating systems?

Second, since I plan to use Hyper-V Server 2012, I will have to manage the host OS using the RSAT from a domain joined client running Windows 7 Professional. How much of a pain is it going to be to setup RSAT and manage the non-domain joined host from a domain joined client? Is there a better way without using SCVMM or using Server 2012 w/ a GUI as the host OS?

Third, are there any concerns I should have, precautions I should take or procedures I need to do before, during or after the migration regarding the existing VMs and the new virtualized hardware environment on the same physical host?

Forth, should I use the trial version of SCVMM 2012 SP1 (or another previous version) to perform the migration? What should I be aware of using SCVMM for the migration and then discontinuing its use after the migration is complete and moving to management using the RSAT?

Fifth, if I don’t use SCVMM for the migration, what is the best procedure for moving the VMs? Should I just copy the VHDs to a temporary storage location, install Hyper-V server 2012, copy the VHDs back, create new VMs and attach the VHDs or should I use the export/import process?

Number six, when is the best time to migrate the VHDs to VHDX format and what would be the best method?

And finally, do I need to worry about USN rollback with a single domain controller? From my reading, this seems to be a point of disagreement. Some people say it could happen while others say it won’t. Is there any point during the migration process where it could occur either during the copying of VHDs or from the switch to VHDX?

Again, sorry for the long post and thanks for staying with me this far. Any information would be much appreciated

Move Virtual Machine Storage on a Clustered vm = Disk Read Error?

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Having an issue when moving Virtual Machine Storage on a Clustered vm is breaking (corrupting?) the vhdx.

Setup:

2-node Hyper-V Server 2012 (the free one) Cluster connected to an EqualLogic PS6100E using a CSV.  (2) Teamed (Hyper-V) LAN nics and (3) iSCSI MPIO nics each.

Starting Location:

  • VM named "vv-2012" is built from an ISO and running on a server in the node - NOT added to Failover Cluster Manager as a role yet.
  • Disk lives at "C:\ClusterStorage\volume1\vv-2012\Virtual Hard Disks\vv-2012.vhdx"
  • VM lives at ""C:\ClusterStorage\volume1\vv-2012\Virtual Machines\xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx.xml"
  • Machine is Running at Login Screen directly after setting the local Administrator password
  • Running current Integration Services

Test 1 - From Starting Location - Move VM Storage using Hyper-V Manager - Move just the vhdx one folder up ("C:\ClusterStorage\volume1\vv-2012\vv-2012.vhdx")

  • SUCCESS - vhdx moved and machine still running

Test 2 - From Starting Location - Import into Failover Cluster Manager - Move VM Storage using Failover Cluster Manager - Move just the vhdx one folder up ("C:\ClusterStorage\volume1\vv-2012\vv-2012.vhdx")

  • FAILED - Disk Read error in the running VM as soon as the move starts (see below image)

Test 3 - From Starting Location - Import into Failover Cluster Manager -SHUT DOWN RUNNING VM - Move VM Storage using Failover Cluster Manager - Move just the vhdx one folder up ("C:\ClusterStorage\volume1\vv-2012\vv-2012.vhdx")

  • SUCCESS - Started VM - no errors

Working on the, now, broken vhdx:

- Searching technet (and the Internet - Google/Bing) returns almost exclusively P2V conversions using disk2vhd.exe from Sysinternals.  That is NOT the case here - reading these posts talks about partitions not being imported (boot partition) or incorrect IDE/SCSI settings on imported vhd's.

- Attaching the vhdx to another vm (or my local machine using Disk Management) and running chkdsk returns "Corrupt master file table. Windows will attempt to recover master file table from disk."  "Windows cannot recover master file table.  CHKDSK aborted." (also tried with /F even though screenshot does not show that - same result) - I see the 2 partitions (boot and system) but cannot browse them - marked as RAW

- Running TestDisk returns invalid MFT (I think, not an expert on this program).

Summary:

- Moving vm vhdx's that are turned off either through Hyper-V Manager or Failover Cluster Managerwork fine

- Moving vm vhdx's that are running through Hyper-V Managerwork fine

- Moving vm vhdx's that are running through Failover Cluster Managerbreaks (corrupts?) the vhdx.

So my questions are 3 fold:

  1. Can anyone else reproduce this?
  2. Is it a Hyper-V / Cluster bug?
  3. Can I recover the vhdx?

Wasn't sure if I should post here or Cluster forum?  Both?

:) -Andrew

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