Quantcast
Channel: Hyper-V forum
Viewing all 19461 articles
Browse latest View live

VHDX Hard Disk dynamic or fixed?

$
0
0
Helloeverybody!

Duringthis weekI preparedan environment withWindowsServer 2012andHyper-V3.0clustered,everything is workingfine,thank you!


Mydoubtisthe following:

I have availableoneLun2TB available formyVM's, buteven afterseveral researchesI could notdecide whetherI'd betterusethe fileVHDX dynamic or fixed.

In this environmentwill havea maximum of20VM'swith60GB ofdiskmediafor each.Applicationsthat requireprocessingand networking much more thandisk.Nogrowth forecast fornone of thesedisc.

I would greatly appreciatethe helpand opnionof you!

Thank you!

Marque como util se esta resposta o ajudou!!!


Reverting a VMWare Snapshot--Once I revert to it do I need to take another one? Or does it keep the snapshot I orginally took?

$
0
0

I just reverted to a snapshot on our VMWare last night. I need to know if I need to take another snapshot?  Or does it save the original snapshot that I just reverted back to that I know works?

We use:
VMware Infrastructure Web AccessVersion 2.0.0Build 128374
VMware ServerVersion 2.0.1Build 156745

Virtual Machine Second Adapter keeps failing with Yellow Astrik.

$
0
0

I have a Windows 2012 Data Center Server running multiple Virtual Servers.  One of these is my Mail server.  It is a 2008R2 Virtual server with 2 virtual adapters.  1 for the internal network, 172.*** works ALL the time no problem.  One for the External Network, 12.**** works initially for a few minutes then fails with a Yellow ! and will no longer connect to send mail.  If I DISABLE the External Virtual adapter in the 2008R2 virtual machine, and re-enable, it will work again for awhile then go back to the failed state. 

I removed the virutal adapter....re added with a different nic card in the Host and still same results. 

Any Suggestions or help?

Very strange problem.

Just FYI, new Windows Server Gateway Hardware and Configuration Requirements topic live on the Web

$
0
0

Windows Server Gateway (WSG) is a virtual machine (VM)-based software router that allows Cloud Service Providers (CSPs) and Enterprises to enable datacenter and cloud network traffic routing between virtual and physical networks, including the Internet.

WSG is deployed on a dedicated computer that is running Hyper-V and that is configured with one VM. The VM is then configured as a WSG. For high availability of network resources, you can deploy WSG with failover by using two physical host servers running Hyper-V that are each also running a virtual machine (VM) that is configured as a gateway. The gateway VMs are then configured as a cluster to provide failover protection against network outages and hardware failure.

When you deploy WSG, the host servers running Hyper-V and the VMs that you configure as gateways must be running Windows Server 2012 R2 Preview.

If you’re planning on repurposing or purchasing new hardware to deploy WSG, you can use the new topic Windows Server Gateway Hardware and Configuration Requirements, at http://aka.ms/Kenzts to ensure that your hardware and configuration are optimized for your WSG deployment. 


James McIllece

2008 R2 to 2012 Hyper with new servers and new SAN

$
0
0

I am hoping someone can steer me in the right direction. I have done some research, but can not seem to find the exact answer to my particular question.

I have 3 host 2008 R2 hyper v environment, which is connected to an HP MSA ISCSI SAN. It’s configured for clustering and is using CSV. This is the current production environment.

I built a new 3 host 2012 hyper v environment, which is connected to a new Nimble ISCSI SAN. It’s configured for clustering and is using CSV. This  will be the new production environment.

I have been testing the best (read fasted with least downtime) way to get the VMs from the 2008 to 2012.. I have done an export, then an import (however you have to have the machine offline for the export), I did a straight copy, from one SAN to the other, then imported (again took some time, and needed to be off-line (at least for the last few mins), I even did a P to V in 2012..  This seemed to work OK, but I am not sure if I am asking for issues down the road.

So my question is, is the a better way to do this?


Thank you for any assistance.

Hyper-V replica and iSCSI

$
0
0

Hi All,

Running Server Enterprise 2012.

The issue started with trying to enable replication for Hyper-V replica. A bunch of guest had no issues in enabling replication but then I started to run into issues with servers running iSCSI. After lots of googling I discovered this solution:

http://community.spiceworks.com/topic/282744-windows-2012-hyper-v-replication-issue-with-iscsi

The solution works great for me, except what issues may I encounter down the road by unchecking thebackup (volume snapshot)?  I have done a bunch of looking around and I am now more confused than ever on snapshots.

Thanks.

Storage Migration Failed - The destination X: is not valid because it is compressed.

$
0
0

I've setup a backup 2012 Hyper-V server to migrate VMs to when doing maintenance on the main server. When I tried to move a VM over to this backup server I'm getting a message that the destination 'D:' is not valid because it is compressed. This is just a standard raid drive that I formatted NTFS?? I've tried to look at the properties using the diskpart and I'm not seeing anything about compression?? Any ideas?

Thanks,

Richard

Remove and join a domain in Hyper-v Server 2008 R2

$
0
0

Hi

I have one Hyper-V Server 2008 (Core like) that was part of a domain, but the Domain Controller died and so I've created a new DC (with the same name, same domain, same ip, same everything).

Problem is that I can't get the Hyper-V Server to join the new domain because it tries to connect to the one that died first.

To leave the old domain, I tried netdom remove in cmd and I get this error message:The specified domain either does not exists or could not be contacted.

Any ideas?

Thanks

 


Backup a 2008 R2 Hyper-v VM on a 2012 parent server

$
0
0
I have a 2012 standard server running a VM with 2008 R2 on it.  Can I back that VM up via the parent server?  I can't seem to find any thing that speaks to this.

-Jim

How do I disable the Hyper-V "Mouse not captured..." message?

$
0
0

Yeah, I know, choose "Never show this message again" or whatever. But this is annoying enough to me that i would like to include it in a logon script, sohas anyone found the registry value or %APPDATA% xml file where this preference is stored? 

My scenario is RDP to Hyper-V, start a VM booting from an ISO file, I have a few seconds to "Press any key to boot from CD..." and this thoroughly useless modal window is blocking me, so I miss the window and the VM boots from disk instead. 

There are many workarounds, however never ever seeing this modal window again for the rest of my life would improve my workday. VMware has many more annoying "tips" windows, however they are not modal and don't actually prevent you from getting work done. 

/fA

Hyper-V Perfomance

$
0
0

I have installed a Hyper-V server on a Dell PowerEdge R720 (128GB)  with Windows 2012 Datacenter. The server has an iSCSI Dell PowerVault MD3600i with 10x15K SAS drives in a RAID 5 configuration.

When I copy between to or from a virtual machine on this hardware I get a maximum copy speed of 111MB/s (roughly 1Gbps). If I copy a file to a separate folder on the same virtual machine I get the same throughput. If I copy the same file between folders on the Hyper-V installation (not in a VM), I get speeds in excess of 700MB/s.

It appears that the copy process is rate limited. I need this copy process to happen at the maximum possible speed. How could I have configured this incorrectly, or is there a bug in this OS? Please help.

Hyper v VM window bug

$
0
0

Hello.

When i'm trying to connect to VM just half of the window appear. I can't maximize it and do nothing in that window.

VM restart is fixing that for some time, but it's not an option. Any suggestions?

How do I stop WinPE from automatically running at startup on Server 2003?

$
0
0

Greetings,

While attempting to do a P to V of an older Windows 2003 server using Hyper-v on a Datacenter Server 2012, it became obvious that there is an incompatibility between the older servers processor and WinPE, which fails to run and aborts with a 0X0000005D error.

When I try to boot up the 2003 server it will now only go into PE, which of course errors out and requests that you reboot the server.

I've tried everything I know to keep PE from starting and just let the native OS boot, but to no avail.

Can someone tell me how to stop PE from starting up?

Thank you!

Chris.

Hyper-V Dynamic memory, Driver Locked

$
0
0

Hello All,

I've been wondering about the following.

I have 2 Dell R910 (Windows Server 2008R2 SP1) machines as my Hyper-V host machines, with around 40-50 VMs running on it. For most of my servers I've enabled dynamic memory, but on some of these machines I've seen the following:

For some reason this machine running Remote Desktop Services (with Web Access) is using around 3.8GB of memory.

Processes list only a fraction of the actual Memory being used.

But RAMmap shows that 2.5GB is being used by Kernel Drivers. From what I've read this might be the balooning effect of the dynamic memory. However, the RAM usage was the same yesterday evening (12h before I took these screenshots), when no one was actually working on this server.

I've seen this happen on multiple of my guest machines, the machines are running Windows Server 2008 R2 SP1 Datacenter Edition.

Can anyone explain to me why it is doing this?

Thank you.

Kind Regards,

Tom

Question about using a fibre channel SAN with hyper-V

$
0
0

Hi all,

I am brand spanking new to Hyper-V, i have literally just looked through Introduction to Hyper-V Jump Start on Microsoft Virtual Academy.

I have a question around how to set up a fibre channel san. It has confused me that I can see inside Hyper-V that i can set up a virtual SAN. but is this not so VM's can talk directly to the SAN? I would like my VM library to be on the SAN LUN's

I am properly well confused about this and it is properly fairly simple. but i would have thought you configure the Hyper-V Host to be able to see the LUN's on the SAN and then when provisioning a new VM you can select to put your VHDX files on those LUNS.

Does anyone have screenshots?

Thanks in advance.


Regards
ronnie.jorgensen systems engineer
My blog


HyperV Manager Remote Manager

$
0
0

Hello,

i´ ve a HyperV Cluster with two Windows Server 2012 Hyper V Core Edition. They are joined in the Domain. On a physical Domaincontroller is installed the Windows Server 2012. If i try to open the HyperV Manager and connect to one of the two HyperV Host i get allways an RPC Error (The computer HyperV failed to perform the requested operation because the RPC call failed).

The firewalls are off on both HyperV Hosts and on the external DC.

On a Windows 8 PC everything is working fine.

Thank you

Hyper-v Server 2008 on HPcompaq Pro 6305 hypervisor isnt running

$
0
0
Dear All;

im trying to create a VM using hyper-v but when i start the VM i got error that hypervisor isnt running.

i search through net but nothing useful.

im using windows server 2008 R2, on HP compaq Pro 6305.

CPU is AMD A4-5300

im not sure about bios settings i only find in system security the following sittings, is there any thing i should change also?
Data execution prevention (enabled)
SVM CPU Virtualization (enabled)
OS management of embedded security device (enabled)

Your help is highly appreciated

hyper-v 2012 r2 teaming bug?

$
0
0

 2 hyper-v host with 5 nics each.  Shared stored is a iSCSI SAN.

With hyper-v 2012 no issues with teaming.  3 nic team for vmswitch no vlan, Live migration vlan 10, cluster heartbeat vlan 20, and host management IP no vlan.  When I created the vmswitch I stated allowmanagmentos 1.  Works great.

hyper-v 2012 r2 not so much.  Whenever I create the same team configuration as above I loose all IP communication, both in the vmswitch and management IP.  I soon as I break the team and assign the vmswitch to a standard NIC the VM's can get an IP address and the other NICs that were in the team get a DHCP address.  Recreating the team I again loose all IP communication.  

Any help would be appreciated.

How to Backup Hyper V SQL 2008 server over remote location

$
0
0

I have DC( win 2003 R2) and Hyper V SQL 2008 R2 Server in my office.

I need to setup second DC in remote location (based on Win 2008 r2) and part of DR process I would like to create hyper-V Backup SQL 2008 server

What is the best way to procedd?

Server 2012 Hyper-V Host Not Responding

$
0
0

The issue has happened on 2 different hosts in the last two weeks, and we haven't been able to find out exactly what is causing this so I am hoping to get some help.

5 Node Server 2012 Hyper-V cluster.  Monitored using SCOM and also using VMM (2012 SP1).  In VMM we noticed that the server in question was showing as not responding, all the VM's were fine, and VMM shows that the WinRM service is not OK.  The service is running on the host, but the host cannot be RDP'd to, we can't login to the console, and we can't connect to the cluster via Cluster Manager because in both instances the host in question was the Cluster owner.  Our "solution" has been to shutdown the VMs on the host and then forcefully reset it, and after that everything is fine.  However, I am hoping to get to the bottom of what is going on.

This is the exact same issue as described HERE, but there isn't a solution given.  Here is a chronology of events that I gathered from the event logs.

From the logs you can tell that the issues started on 7/7/2013 at 5:38 PM

 

From Application Event Log:

Error 26001, Microsoft.SystemCenter.VirtualMachineManager.2012.Report.VPortUsageCollection

 

Got null results from Select Connection from Msvm_SyntheticEthernetPortSettingData where InstanceId='Microsoft:3E323714-F9A3-4384-A2D7-3466B3FED595\\6D14D559-7676-4D9B-82A7-F5F1199601FA'  .  Different instance IDs.

 

Basically happened every 30 minutes until 1:49AM on 7/9.  I rebooted the server around 11:45 PM that night.

 

From System Event Log:

Event 1, VDS Basic Provider

Unexpected failure. Error code: 48F@01000003

There are a lot of these errors.  These errors still occur even when the WMI Performance Adapter messages are appearing normally

 

7/7 5:26 PM

Event 7036, Service Control Manager

The WMI Performance Adapter service entered the stopped state.

 

7/7 6:06 PM

Event 7036, Service Control Manager

The WMI Performance Adapter service entered the running state.

 

7/9/2013 8:27 AM

Event 7000, Service Control Manager

The Device Setup Manager service failed to start due to the following error. The service did not respond to the start or control request in a timely fashion.

A lot of these errors

 

7/9/2013 8:35 AM

Event 7011, Service Control Manager

A timeout (30000 milliseconds) was reached while waiting for a transaction response from the SCVMMAgent service.

 

7/9/2013 8:46 AM

Event 7001, Service Control Manager

 The System Center Virtual Machine Manager Agent service depends on the Windows Remote Management (WS-Management) service which failed to start because of the following error:

The service has not been started.

 

Once the WMI Performance Adapter Service stopped stopping/starting again, in the Operations Manager log you start seeing warnings like these:

7/7/2013 5:30 PM

Event 21402, Health Service Modules

 

  • Module was unable to connect to namespace 'ROOT\MSCLUSTER'

 

  • Module was unable to connect to namespace 'ROOT\CIMV2'

 

  • Summary: 1 rule(s)/monitor(s) failed and got unloaded, 1 of them reached the failure limit that prevents automatic reload. Management group "MY_DOMAIN". This is summary only event, please see other events with descriptions of unloaded rule(s)/monitor(s).

 

  • Forced to terminate the following process started at 5:27:36 PM because it ran past the configured timeout 180 seconds.
  • Command executed:        "C:\Windows\system32\cscript.exe" /nologo "ConsecutiveSamplesTwoThresholds.vbs"A_SERVER_NAME

 

Followed by errors like this:

7/7/2013 5:37 PM

Even 22402, Health Service Modules

 

Forced to terminate the following PowerShell script because it ran past the configured timeout 30 seconds.

 Script Name:        PowerShellScript

One or more workflows were affected by this. 

Workflow name: Microsoft.Windows.HyperV.2012.VMReplicationHealth33412.Monitor

Instance name: A_SERVER_NAME

Instance ID: {EA9D5CBC-577D-C262-CBFC

 

Forced to terminate the following PowerShell script because it ran past the configured timeout 30 seconds.

 Script Name:        PowerShellScript

One or more workflows were affected by this. 

Workflow name: Microsoft.Windows.HyperV.2012.VMReplicationHealth33414.Monitor

Instance name: A_SERVER_NAME

Instance ID: {EA9D5CBC-577D-C262-CBFC-4F5037B38E50}

Management group: MY_MANAGEMENT_GROUP

The WinRM Service was running on the host (I was able to check it remotely using Powershell), I cannot say for sure about the SCVMM Agent Service, I don't remember.



MCITP | VCP4

Viewing all 19461 articles
Browse latest View live




Latest Images