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Question About Upgrading Server 2012 Hyper-V Datacenter to Windows Server 2012 R2 Hyper-V Datacenter

March 11, 2015, 8:01 pm
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Good evening to all,

I currently have four hypervisor hosts in a failover cluster configuration. Each host is running Windows Server 2012 Datacenter. Presently three hosts are hosting our 56 virtual machines and the fourth is not hosting any. I also have a 5th server (R720) which has not been configured for Hyper-V.

I have been reading around, trying to prepare myself for the upgrade to Windows Server 2012 R2 and I have come across some articles where the recommended actions are as follows:

1. Live Migrate virtual machines to a host running Server 2012 R2 Datacenter with Hyper-V configuration.

2. Once the VMs have been migrated, perform an in-place upgrade on the hosts running Windows Server 2012 Datacenter to Windows Server 2012 R2 Datacenter.

3. Verify that the configuration is good on the upgraded hosts and live migrate the VMs back to the upgraded Hypervisors.

My failover cluster does not host any Exchange or SQL Servers that would  be affected by the in-place upgrade. 

What would be the downside of performing an in-place upgrade on a failover cluster? The production environment would not be affected as the guests would be live migrated to a temporary Hypervisor running Windows Server 2012 R2 Datacenter. I will also be scheduling downtime for this process. 

Please advise and thanks in advance,



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Initial replication paused after ~3 hours

March 11, 2015, 8:47 pm
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I have been searching without any luck. If this has been asked before, please kindly give me the link to look at. Thanks.

Well the problem I am having is that when doing the initial sync for replication of large VMs in Hyper-V, after about 3 hours the sync will pause. I need to go in and manually resume the replication occasionally, otherwise the initial sync won't finish. This happens in all 7 of our sites. Replication is performed between 2 identical servers sitting next to each other which are connected with a 10GB link directly. Only less than 25% of space are used, so space is not an issue. When the replication was paused, Event 32086 and 32022 were recorded. However as long as you keep resuming the replication, it will finished eventually. From there on, everything works beautifully. We do have backup running at night, but if that is the case, it should fail whenever the backup is backing up that big VMs instead of failing after ~3 hours. Any idea what is stopping the replication?

21:34 - Event 32074: Hyper-V successfully enabled replication for primary virtual machine 'MSHVFILE1' (Virtual Machine ID AAF0AAC5-09E6-41F1-9629-154AE65DCF44).

00:19 - Event 32086: Hyper-V suspended replication for virtual machine 'MSHVFILE1' due to a non-recoverable failure. (Virtual Machine ID AAF0AAC5-09E6-41F1-9629-154AE65DCF44). Resume replication after correcting the failure.

00:19 - Event 32022: Hyper-V could not replicate changes for virtual machine 'MSHVFILE1': One or more arguments are invalid (0x80070057). (Virtual Machine ID AAF0AAC5-09E6-41F1-9629-154AE65DCF44)

01:00 - Replication was resumed for virtual machine 'MSHVFILE1'. (Virtual machine ID AAF0AAC5-09E6-41F1-9629-154AE65DCF44).

03:51 - Event 32086: Hyper-V suspended replication for virtual machine 'MSHVFILE1' due to a non-recoverable failure. (Virtual Machine ID AAF0AAC5-09E6-41F1-9629-154AE65DCF44). Resume replication after correcting the failure.

03:51 - Event 32022: Hyper-V could not replicate changes for virtual machine 'MSHVFILE1': One or more arguments are invalid (0x80070057). (Virtual Machine ID AAF0AAC5-09E6-41F1-9629-154AE65DCF44)

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Hyper-V Replication network related questions

March 12, 2015, 1:53 am
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Hi Members,

I enabled Hyper-V Replication from Hyper-V Cluster (Primary Site at 10.11.x.x) to Hyper-V Standalone (DR Site at 10.1.x.x) all required settings successfully configured like Hyper-V Replica Broker ,AD Object and others.

I Tested Replication works fine and replication is healthy.

I have some machine like ORACLE ERP which are web based like users type http://erp.abcd.com for this we enter A record 10.11.0.35

now what happend when we want to do planned  failover for above machine 

should i assigned another IP for replicated machine and then change my A record for DR IP ?

or 10.11.0.35 still works for replicated machine ?

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3 node networking

March 12, 2015, 3:53 am
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Hi

I need a little advice

I have migrated a 2 node 2008R2 cluster to 2012R2, so happy with myself.

However i wanted to introduce a 3rd node as we want to increase capacity. So here is the issue. Up to now the Heartbeat and live migration networks were simply nic to nic cabling. i have a NIC team on both current servers for these networks and it works fine.

However to add the 3rd server can i continue to use this method by adding a team on the 3rd node and direct connectivity between the other 2, or do i need a 2nd or even 3rd live migration network and heartbeat network to triangulate?

I appreciate the best option is a switch, but the network guys wont let me use the core switch, so i am stuck trying to use direct cabling.

thanks

Olly

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Slow VM performance 2012 R2

March 12, 2015, 8:35 am
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We've been having issues lately with slow VM performance on our 2012 R2 hosts. I'm curious if anyone else is encountering these issues or has any suggestions for resolution.

The slowness seems to occur when first logging into a VM either via RDP or Console. It takes awhile for the desktop to load and everything seems sluggish. Eventually after a few minutes the VM seems to become more responsive. When checking resources for the VMs the CPU and memory being used seem to be fine and it does not seem to be due to any strain on the VM. The hosts have plenty of resources as well with over 100GB of RAM free, the CPU ratio is 1:1 or less on the hosts, and CPU usage is usually 16% or less. The BIOS settings on the hosts have also been adjust so there are no c-states being used and speed-step has been turned off.

Is anyone else experiencing this? Any thoughts on what may be causing this?


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Removing Snapshot Files

March 13, 2015, 2:51 am
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Hi All,

One of my VM's was written off by the Panda AV issue. I have restored the affected VM and all is well.

However, I am looking to clean things up a little. And have a load of snapshot files from before the restore which were taken as part of the resolution process.

These snapshots don't show under the vm itself, so I though I could delete all the snapshots though HyperV manager, and manually delete what is left in the snapshot directory.

When I try this I get a file in use error, so left as is. Restarted Hyper V service and tried again with same result.

Anybody know the best way to do this, as there is a fair amount of GB to remove.

Kind Regards

Rich

Richard Tarlton

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How Do I Live Migrate VM Between Clusters?

March 13, 2015, 11:44 am
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Running HyperV 2012 R2 fully patched.

I have HyperV clusters set up at two different locations, Cluster A and Cluster B.

I can live migrate VMs from node to node withing a cluster, but I would like to migrate a VM from a node on one cluster to a node on the other.   In other words, I would like to live migrate a VM from Cluster A to Cluster B.

When I go into Failover Cluster Manager and select the VM I want to move, it only gives me target nodes on the same cluster.

How do I get nodes from the other cluster to show up as targets?

I have found surprisingly little information on the Google.  Most of it is about live migration within a cluster (or VMWare).  Not as much on migration between HyperV clusters. 

Any pointers are appreciated.

Thank you.

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What is faster to Upload new VMs into a Hyper-V Ws2012 R2

March 13, 2015, 1:18 pm
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Hi all,

whch is faster to transfer approx. 7 VMs totally ~ 180GB to a new HYper-V on WS2012R2

Method A

Import the VMs from the USB drive and keep them mounted on the USB drive

Then use the Move or migration in Hyper-V and move them to faster Fixed Disk on the Server..?

Method B

Using Xcopy transfer them to the Fixed Disk, and then do the normal import

This server only supports USB 2.0

Many thanks in advance

magellan99

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Low bandwidth received at the external switch of VM

March 13, 2015, 7:49 pm
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I have installed a VM(Windows 2012) in Windows 2012 R2 Datacenter Server running Hyper-V role. I have created an external switch for the VM that is shared by the host OS. The server used is Dell octo core 12GB & the Network Adapter, Broadcom NetXtreme II GigE, is 1 Gbps. The VM does not receive more than 60 Mbps when 1 Gbps traffic is sent to it. I have already installed all the integration services. The NIC does not support dVMQ. Please suggest ways to improve network utilization.     
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VDI

March 13, 2015, 9:15 pm
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Hi, I have one AD and HyperV inside it and i want to setup VDI on AD. this is possible?

because after i setup VDI it  not show virtual desktop template even i followed this link it still now show.

http://blog.itvce.com/2012/08/21/deploying-windows-8-virtual-desktop-infrastructure-on-windows-server-2012/

thanks all for your answer

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Hyper-V Sizing Required

March 13, 2015, 11:54 pm
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Hey All,

I need BOM (Bill of material) / sizing for below requirement in the HYPER-V

We need to setup 300 machines (Windows Server OS / Windows Client OS) in hyper-v model with high-availability, it's purely ment for training purpouse

I like to know how many physical servers, storage required for this. Below are the details about it

  1. 300 Users access to training Facility 
  2. 30 % of the training would need to have 60 days retention 
  3. Average training VM Size would be 2 vCpu / 4 Gb ram , 200 Gb HDD
  4. Server based OS also required for 80 % of training 
  5. Sizing for server VM is 4 vCPU , 8 GB ram , 350 GB HDD 
  6. Machine performance need to be High 

Please help

Regards,

Prasanna

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Could not initialize machine remoting system. Error: ‘Element not found.’ (0x80070490).

March 14, 2015, 5:40 am
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Hi,

I'm getting the following error, so unable to start new VM from hyper-v manager

Could not initialize machine remoting system. Error: ‘Element not found.’ (0x80070490).

Any help

MD

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What can and can't be converted to a VM template?

March 14, 2015, 7:07 pm
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Just as the title says. Is there a list of Microsoft products that can not be templatized?

For instance, obviously we can templatize a Windows Server as long as we sysprep it.

My main question is about the software\roles\features installed on that server. 

For example, Microsoft Exchange I can already safely assume that that can not be templatized because of how deeply its integrated into AD.

However how about other services such as IIS or SQL to name few?

Any feedback or suggestions will be greatly appreciated.


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Create bootable VHD

March 14, 2015, 8:59 pm
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I have created a bare metal guest OS, restored a windows server 2012R2 image on the VHDX. However so far i haven't successfully able to make my guest VM make use of that VHDX. I did go through various forums but i am missing some thing which i need help. I want my guest VM to use the OS that i restored. If someone can share the exact bcdedit commands that would be great. Thanks

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HYPER-V Cluster W2012R2 Can't delete VHDX on CSV

March 15, 2015, 8:41 am
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'm working on a Windows 2012 R2 Hyper-v. I've just done an EXPORT of a Virtual Machine to a CSV Volume to import later.

But I hanve't performed the import, and when I went to delete the exported folder I've got an access denied error of the VHDX file.

How can I identify which is the process that locks this file and delete it? There no is any Virtual Machine with this file attached on it.

I've restarted the "Hyper-V Virtual management server" service without success.

This is not a permission problem because I've also tried to take ownership to reset permissions, but I'm also getting an 'access denied error'. Also with CACLS command.

Regards

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Can't remove failed virtual switch from Hyper-V's Virtual Switch Manager

March 15, 2015, 10:05 am
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Hello,

We have a virtual switch setup in the Virtual Switch Manager and the adapter has been deleted by mistake using the "Change Adapter Settings..." of the Network And Sharing Center. Now, obiviously the switch is in a failed state and we just want to remove it from the list.

The Hyper-V console and the PowerShell command ("remove-vmswitch -Name "VSITCH01" - force") both returnsthe error below when removing the switch, because obivously, it can't find the adapter. How do I force remove the switch from the list?

remove-vmswitch : Failed while removing virtual Ethernet switch.
Failed to connect Ethernet switch port (switch name = '49ACD343-5D84-40F8-9B87-70F34F820AF1', port name =
'16D596BE-F31A-43F4-8DD7-7A54FB9818C3', adapter GUID = '{045B0D69-2904-4C11-88C2-22EB4D67DC05}'): The system cannot
find the file specified. (0x80070002).
Ethernet port '{045B0D69-2904-4C11-88C2-22EB4D67DC05}' unbind failed: One or more arguments are invalid (0x80070057).
A parameter that is not valid was passed to the operation.
At line:1 char:1
+ remove-vmswitch -Name "VSWITCH01" -force
+ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    + CategoryInfo          : InvalidArgument: (Microsoft.HyperV.PowerShell.VMTask:VMTask) [Remove-VMSwitch], Virtuali
   zationOperationFailedException
    + FullyQualifiedErrorId : InvalidParameter,Microsoft.HyperV.PowerShell.Commands.RemoveVMSwitchCommand

Thank you!

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sysprep VM

March 16, 2015, 7:44 am
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quick question...

usually when I sysprep a VM I keep a generalize VHDX of this VM for further use.

Then I attach this VHDX to a new VM.

Would it be the same if I will export Generalized VM. And will use it for new machine creation?

I guess yes...

--- When you hit a wrong note its the next note that makes it good or bad. --- Miles Davis

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High CPU on Hyper-V VM

March 16, 2015, 8:15 am
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Any clues as to the cause of constant, high CPU usage on a Hyper-V VM?

We have a 2012 R2 Host with 3 VM's running.  The one in question is our main file server which also hosts our Anti-Virus Suite, Symantec Endpoint Protection Small Business Edition.

I've had this happen two Friday in two weeks. Both times, we had a PENDING Windows Update. (pending as in it lets me know there is an update to be downloaded but it does not download it for me until I do so myself)

The Services that grab the high CPU are...

SYSTEM
TASK MANAGER
Service Host Local System (Network Restricted) (8)
And under that are:

Distributed Link Tracking Client
Hyper-V Data Exchange Service
Hyper-V Guest Shutdown Service
Hyper-V Volume Shadow Copy Requestor
Network Connections
Remote Desktop Services User Port Redirector
Smart Card Device Enumeration Service3
User Access Logging Service

However, it is usually SYSTEM that grabs most of it...

Our Hyper-V system has run almost perfectly since went live late last March. The only common occurance was the notice that Windows Updates were available.

I have also given good thought to move our Anti-Virus suite to another VM on our second Hyper-V host. But since it really has had no problems until now, not sure if that is the fix.

There is no viruses or spyware on the file server. Nothing in the logs on both the VM or host that indicate any problems.

My goal is to prevent this from happening again as both times required production time reboots and the dang VM too forever to shutdown. It was THAT slow.

Any clues? It currently has 8GB of RAM and 2 virtual processors thrown at it.

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Pass a UPS thru USB using pass though to a VM on Windows Server 2012 R2 Hyper-V?

March 16, 2015, 8:18 am
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I want to pass a UPS thru USB using pass though to a VM running Windows Server 2012 R2 on Hyper-V. How can I do it?
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Best practices for performance on io and storage.

March 16, 2015, 9:11 am
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I'm building / buying a new server was planning on going virtual.

Dual xeon 2620 v3 with 64 GB ram we have about 15 users and 14 remote users.

Main server 2008 / 2012 SQL

2nd Server 2008 / 2012 File storage

3rd Server / Terminal Services / Citrix (may not be needed still evaluating)

Here is my concern.

HyperV server installed on a mirror dive 120 GB SAS Raid 0 (i've been informed that this is unnecessary as hyper V doesn't require much space and that having it on an SSD would only improve on the boot up speed for the actual hyper V server, hypervisor, there fore even if I put this on a slow 5400 RPM drive this would only affect the initial boot up of hyperV (which I don't' plan on rebooting often)  is this true, would the page file be an issue?

I was then planning on having 600 sas 15K (x4) raid 10, I would use this for the datastores of the 3 server on these drives.

I've been informed that the I/O on these drives will affect performance and that each server should be on it's own  separate physical drives (raid volume).

Is this common? Should I be using separate HD's for each virtual machine?

nambi

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