Hyper-V guest NICs fail

March 26, 2014, 4:48 pm

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So I got two new servers a Dell R620 and a R720 running Hyper-V on Windows 2012 R2 all clients on them are 2012 or 2012 R2.

All NICs are Broadcom NetXtreme, 2 quad port per server, I am currently running 15.6.0.10 drivers with 7.6.15 firmware on the R720 and 16.2.0.4 drivers and 7.8.16 firmware on the R620. No guest NICs are teamed.

In the last 2 weeks I had two guest NICs in hyper-v (with a few days between) on the R620 and 1 on the R720 fail to a point where the NIC cant communicate with the network, getting a 169.x.x.x IP address. I delete the NIC in the Virtual Switch Manager, re-add it and everything is fine again. I don't allow the managing OS to share the network adapter, for the most part, I use 1 NIC per VM.

I recall this happening back with Hyper-V 2008 R2 as well, but generally at the time of a driver update or some sort of change. These Hyper-V hosts have no received any drivers, firmware or Microsoft updates anywhere around the time of these failures.

Any ideas?

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How many Maximum v-CPU ?

April 14, 2014, 7:18 pm

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my Hypervisor show information below

i can use maximum v-cpu for all vm ?

how to calculate maximum v-cpu can use ?

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chatchai-netd

hyper-v boot failure reboot and select proper device or please insert boot media in the selected boot device.....how to solve this?

April 4, 2014, 7:21 pm

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hi help once again guys i having a problem witth hyper-v when i try to connect to my virtual machine it says boot failure reboot and select proper device or please insert boot media in the selected boot device help guys any help would be appreciated

Mouse not captured in remote desktop session

April 17, 2014, 7:17 am

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I have one (but only one)  Hyper-V VM which has the "mouse not captured in remote desktop session" issue. I have researched this problem extensively and so far none of the suggested fixes I have found are working.

The VM is running Windows Server 2012. It is completely up-to-date.

The Hyper-V server its running on is running Windows Server 2012 R2. Also up-to-date.

All integration services are offered in the VM according to the Hyper-V management tool. I have tried removing all integration services from the VM and putting them back with the Hyper-V management tool. This had no effect.

I have also set the VM to "Detect HAL" using BCDEdit... this had no effect.

The only suggestion I could not try is the suggestion to use the "Insert Integration Services Setup Disk..." command from the "Action" menu. I can not do this because a message to "Tap to choose what happens with this device" message pops up when I try it... and, guess what? I can't "tap" it because like everyone else we don't use touch screens in the server room. I can't click it either because my mouse doesn't work. Trying to click it just brings up the same "mouse not captured in remote desktop session" message I am trying to get rid of.

Any suggestions?

Time was not correct on dc which is hyper-v virtual machine

April 20, 2014, 7:57 pm

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My enviroment:

1 physical server dell R720

Role: Hyper-V host

OS: Windows 2008 R2 SP1

Domain: join to domain xx.com

1 virtual machine

Role: DC+DNS+DHCP

OS: Windows 2008 R2 SP1

Domain: xx.com (olny one dc)

Located on: this hyper-v host

Issue:

I found time of virtual machine (this only one dc) was slower than current time. At that moment, time on host machine also slower, and same as dc. When I manual adjust this time to correct. It would go wrong again.

Considering time sync rule of domain and hyper-v, I just unchecked 'Time Synchoniation' on hyper-v intergrate services. Howerver time was slower again after few days.

Could it be possible wrong on hyper-v host which join to domain??

So could you give me some suggestion for this? Thanks in advance. 

Hyper-V VM not talking to Physical Switch on Tagged VLANs

April 21, 2014, 2:25 am

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Hello!
I'm having a problem where a VM is not communicating with its trunked VLANs.

My configuration:

Windows Server 2012 R2 configured with Hyper-V

VM 1 has 4 Virtual NICS. One of the NIC2 is connected to vSwitch 1. vSwitch 1 is using an external network - a Windows NIC Team consisting of 4 Ethernet ports.

All 4 ports are connected to a physical Cisco switch in a link aggregation group with LACP. The LAG is configured on the switch as follows:

Trunk
VLAN 1 Tagged
VLAN 2 Untagged & PVID
VLAN 3 Tagged
VLAN 4 Tagged
VLAN 5 Tagged
VLAN 6 Tagged
VLAN 7 Tagged

No VLANs are configured in Hyper-V itself.

VM1 runs an OS other than Windows, and several  interfaces are configured using NIC2. One interface per VLAN.
Interface 1 VLAN 1 10.10.1.254/24
Interface 3 VLAN 3 10.10.3.254/24
Interface 4 VLAN 4 10.10.4.254/24
Interface 5 VLAN 5 10.10.5.254/24
Interface 6 VLAN 6 10.10.6.254/24
Interface 7 VLAN 7 10.10.7.254/24

Each interface should be able to talk to the switch though its VLAN and allow traffic to pass though. But it does not.

Can anyone please suggest a way to get this working?

Thank you in advance

HYPER V 2012 R2

March 25, 2014, 1:31 pm

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I have installed hyper v 2012 R2 on a dell r720XD, When my laptop is connected to the same router I can manage everything. I have a static IP connected to it.

But when I am at home or somewhere, I want to connect to it and manage it. I am simulating a situation since we are sending it to a colo location. NO VPN just a public IP.

At home I can not access disk management and the hyper v manager from my windows 8.

I can do RDP, access services, use mmc for firewall but not disk management and hyper v manager.

I modified the host to list the IP address of the server and the name.

I did the cmdkey, server, name, password

I did the

set-item wsman:\localhost\Client\TrustedHosts -value * -concatenate -force
I did the edit limits allow anonymous logon,
i did these
netsh advfirewall firewall set rule group=”Remote Administration” new enable=yes
 netsh advfirewall firewall set rule group=”File and Printer Sharing” new enable=yes
 netsh advfirewall firewall set rule group=”Remote Service Management” new enable=yes
 netsh advfirewall firewall set rule group=”Performance Logs and Alerts” new enable=yes
Netsh advfirewall firewall set rule group=”Remote Event Log Management” new enable=yes
 Netsh advfirewall firewall set rule group=”Remote Scheduled Tasks Management” new enable=yes
 netsh advfirewall firewall set rule group=”Remote Volume Management” new enable=yes
 netsh advfirewall firewall set rule group=”Remote Desktop” new enable=yes
 netsh advfirewall firewall set rule group=”Windows Firewall Remote Management” new enable =yes
 netsh advfirewall firewall set rule group=”windows management instrumentation (wmi)” new enable =yes
 net start vds
Is there a setting I missed so I can fully manage my server from another location?

Help me reduce VHD file size when deleting data in OS.

April 21, 2014, 3:29 am

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I use Hyper-V on Server 2008 64bit installation to create a CentOS 5.8 VPS has the capacity 100GB. After a period of use of disk space used up nearly all 100GB. I have deleted a VPS data in this section but I checked VHD file size not reduced. 

The way you can help me do this? I thank

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VM Connection Error after Static IP change

June 29, 2008, 3:20 am

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Hi folks.

I am running Hyper-V RC1 and have created 3 virtual machines using an External virtual network without issue. The VM's work well with internet access etc all working.

However, I have run into problems when changing my static IP on the Hyper-V server. After changing my static IP, I can no longer connect to any of the existing virtual machines. Neither can I connect to any newly created virtual machines. If I change the static IP back to its original setting, it all works fine again.

I have gone into network manager, removed the External network I created and then recreated it with the new static IP I want to use. I have reassigned the newly created virtual network to the VM's but still can't connect after I change the old static IP address. It appears the whole Hyper-V is locked into the static IP that was originally set when I initially installed the Hyper-V role.

Can anyone advise how I can change my Static IP on the Hyper-V server without upsetting the connection to existing Virtual Machines?

Thanks in advance.

No data for many RemoteFX counters

April 20, 2014, 11:47 am

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I have managed to get my Hyper-V 2012 r2 server to attach a GPU to a Windows 8.1 Enterprise eval VM. I can see the remotefx gpu in the device manager, and the event log seems to indicate remote FX is being used. However, none of the RemoteFx Graphics counters on the vm have any data, and this limits my ability to see why my performance is more sluggish than I expect. Also, on the hyper-v server, counters like the capture rate and compression ratio show 0 always. Is that expected? What could I be doing incorrectly?

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KeepMyIdentities, Your Key to Password Security. Available now on the Windows Store: http://apps.microsoft.com/webpdp/en-US/app/keepmyidentities/61a9f340-97ac-4666-beab-39f9246cb6fa

Question on backup network link

April 17, 2014, 7:30 am

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I created an internal network using Hyper-V on a 10.x.x. network. I want to cluster 2 of the servers, so I created an additional NIC on the 2 servers. I put the second NIC on the same subnet. I can ping Server 1 from Server 2, but can't ping Server 2 from Server 1.

I tried put the second NICs on a different subnet. 192.168.1.1 and 192.168.1.2. I got the same results. 

I know this is not a best practice, but can anyone shed some light on this?  BTW, The NICs are using the same internal network .

Any help appreciated.

scott 

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Scott D Hastings, Sr.

Hyper-V 2012R2 replcation No checkpoints created

January 23, 2014, 4:06 pm

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We have several servers running with replication and are set for checkpoints every hour but no checkpoint are in the Hyper-v Manager.

HyperV Replication

March 24, 2014, 3:06 pm

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I have a 2 server cluster, FiberChannel DAS.  Less than 3 TB total data on CSV, so NOT a huge shop.  2 HyperV hosts with 8 total VM's, 4 running on each server.  HyperV host at remote site for VM replication.  No known issues with setup or configuration.  I am at this time only replicating 3 VM's.  We had to remove the replica host from the datacenter because the cost of data overages was going to get me fired.  We were seeing almost 3 TB data a month.  Opened TechNet support ticket and were not able to find any issues to explain the inordinate SIZE of data being moved.

I know that from time to time the VM's are resynchronizing instead of simply replicating, but I don't know why this is happening and I don't think it explains everything.  At this point i'm wondering how many people are using HyperV to replicate to an off-site server??

With the bare minimum 3 servers I am currently replicating I see 40 to 80 GB of data a day.  Over the course of the last 2 weeks the average amount of data pushed to this server is 58 GB per day, which runs in the neighborhood of 1.8 TB per month.

Industry software package with SQL backend and front end server.  FE have very little config and rarely changes.  The main db is roughly 300 GB in size.

The 3rd VM being replicated is a sharepoint server, again, small shop with about 70 employees, this server changes very little.

As I mentioned, the MS HyperV support team crawled all over my servers and declared my configuration to be correct.

Anyone else see this kind of volume on replication traffic?

Improper Install of Hyper-V 2012 R2 Integration Services on 2008 R2 VMs

April 7, 2014, 1:38 pm

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I have two VMs that have one or more missing/broken services after upgrading to Integration Services 6.3.9600.16384.  On one VM the Hyper-V Remote Desktop Virtualization Service is missing and the Hyper-V Data Exchange Service won't start.  The other VM was missing the Hyper-V Remote Desktop Virtualization Service.  I was able to create that service by restoring registry entries from another VM with working integration services and re-registering the DLLs from the driver, but the service won't start.  Both services that won't start return the error "1083: The executable program that this service is configured to run in does not implement the service".   I also tried an Offline Install of Integration Services, but that didn't fix anything.  Since I am running 2008 R2, there is no uninstall available (I did modify the powershell script from the abve link to uninstall, but it didn't work).  I have been un-successful in finding a way to trick/force the installer to install again over top of itself.

ENABLE VLAN ID GYREYED OUT IN VM PROPERTIES IN SCVMM 2012 SP1

April 14, 2014, 4:38 am

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Dear All,

I have a strange issue with Hyper-V SCVMM 2012 SP1. "Enabled VlanID" is greyed out if I take VM properties in SCVMM 2012 SP1. But at the same time I am able to change it in Hyper-V host! strangely it doesn't happen to all VMs! Any help is appreciated as google doesn't give me any fruitful answer. appreciate your great support.

Regards,

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Hyper-V 2012 R2 Cluster - Drain Roles / Fail Roles Back

April 16, 2014, 7:35 am

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Hi all,

In the past when I've needed to apply windows updates to my 3 Hyper-V cluster nodes I used to make a note of which VM's were running on each node, then I'd live migrate them to one of the other cluster nodes before pausing the node I need to work on and carry out the updates, once I finished installing the updates I'd then simply resume the node and live migrate the VM's back to their original node.

Having recently upgraded my nodes to Windows 2012 R2 I decided to use the new functionality in Failover Cluster Manager where you can pause & drain a node of its roles, perform the updates/maintenance, and then resume & fail roles back to the node, unfortunately this didn't go as smoothly as I'd hoped, for some reason it seems like the drain/fail back decided to be cumulative rather than one off jobs per-node ... hard to explain, hopefully the following will be clear enough if the formatting survives:

1. Beginning State:

Hyper1     Hyper2     Hyper3

VM01        VM04       VM07
VM02        VM05       VM08
VM03        VM06       VM09

2. Drain Hyper1:

Hyper1     Hyper2     Hyper3

                VM04       VM01
                VM05       VM02
                VM06       VM03
                               VM07
                               VM08
                               VM09

3. Fail Roles Back:

Hyper1     Hyper2     Hyper3

VM01        VM04       VM07
VM02        VM05       VM08
VM03        VM06       VM09

4. Drain Hyper2:

Hyper1     Hyper2     Hyper3

VM01                       VM04
VM02                       VM05
VM03                       VM06
                               VM07
                               VM08
                               VM09

5. Fail Roles Back:

Hyper1     Hyper2     Hyper3

                VM01       VM07
                VM02       VM08
                VM03       VM09
                VM04  
                VM05
                VM06

6. Manually Live Migrate VM's back to correct location:

Hyper1     Hyper2     Hyper3

VM01        VM04       VM07
VM02        VM05       VM08
VM03        VM06       VM09

7. Drain Hyper3:

Hyper1     Hyper2     Hyper3

VM01        VM04
VM02        VM05
VM03        VM06
                VM07
                VM08
                VM09

8. Fail Roles Back:

Hyper1     Hyper2     Hyper3

                               VM01
                               VM02
                               VM03
                               VM04
                               VM05
                               VM06
                               VM07
                               VM08
                               VM09

9. Manually Live Migrate VM's back to correct location:

Hyper1     Hyper2     Hyper3

VM01        VM04       VM07
VM02        VM05       VM08
VM03        VM06       VM09

Step 8 was a rather hairy moment, although I was pleased to see my cluster hardware capacity planning rubber stamped, good to know that if I were ever to loose 2 out of 3 nodes everything would keep ticking over!

So, I'm back to the old ways of doing things for now, has anyone else experienced this strange behaviour?

Thanks in advance,

Ben

BSOD system_thread_excption_not_handled (WppRecorder.sys)

October 24, 2013, 10:14 am

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have installed windows 2012 R2,  all have been working fine and installed a Hyper-v server which am have install AD, DNS, DHCP which has been working grate.

after install an update on virtual server I rebooted and now am receiving a BSOD system_thread_excption_not_handled (WppRecorder.sys)

and it not allowing me to access anything. 

I have look into the firmware setting on the virtual server  and noticed file type called bootmgfw.efi on the firmware virtual setting.  which details 

Description: Windows Boot Manager

Value: \HD(2,GPTBA6F9016-9039-4EED-95D7-7C9DFDA947F4,77056,66560)\EFI\Microsoft\Boot\bootmgfw.efi

Firmware device path: \HD(2,GPTBA6F9016-9039-4EED-95D7-7C9DFDA947F4,77056,66560)\EFI\Microsoft\Boot\bootmgfw.efi

am using a physical hard disk which I have created using virtual disks which is offline and I have other Hyper-v Virtual server which are using the same settings and it working fine.

can anyone help me with this issue?

Many thanks,

PJ

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PJ Moka

Hyper-V VMs memory utilization

April 17, 2014, 7:24 am

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Hi,

Please let me know the WMI class (query) to check the memory utilization for all the VMs under the Hyper-V host.

Thanks & Regards,
Raamesh Keerthi N J

Network setup on Hyper-V 2012 R2

April 22, 2014, 2:50 am

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Hello!

I have A Windows Server 2012 R2 with Hyper-V role installed. One NICs for all (I know that it is not very good but can't change)

In this setup I also have a 5 guests with Windows 8.1. Each of the guests have the following requirements:

1. Must have access to the Internet

2. Must be accessible via RDP from any place in Internet

3. Have access to file shares of each other

What is the best way to setup virtual network?

why Win2k8 R2 VM on Hyper-V Server 2012 behaves erratically?

April 10, 2014, 3:56 pm

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Hello, 

I realized this strange problem with Windows 2008 R2 VMs running on Hyper-V Server 2012. My Hyper-V Server 2012 host has been running mix of VMs just fine. I've a Linux VM running, a couple of Windows 2012 R2 VMs, a Windows 8. 

I created three new VMs, gave them decent hardware. 4 GB of RAM each. A fixed VHDX file of 40 GB. I left processor allocation to Hyper-V. Windows 2008 R2 ISO was mounted to all three. Installation started. The VMs were plugged into an external network to access internet for Windows activation and software updates. 

Installation went smooth. I could log on and kick off windows updates installation. it took a reboot but when it came back, strange things started happening. 

First, after VM won't respond to CTRL+ALT+DEL command from the VM console; saying 'VM doesn't did not respond to command'. I inserted integration start up disk from Media Menu on VM's console window. It allowed me to log on this time. I continued to download/install windows updates to update and complete that. All important updates were selected (even in first step above) and none of optional update was selected.

This round of updates download/install updates finished and VM rebooted. Again, when it became available it stopped responding to any of commands sent to VM, Reset, Stop,Shut down, Turn off and won't allow CTRL+ALT+DEL. Strangely this time it didn't like accepting mounting integration services start up disk. The message displayed; when any of these actions were performed, is "RPC service not available".

What could go wrong with Windows 2008 R2 VM created just now behaving like this?

Did someone experience issues like this with just built Windows 2008 R2 VMs? Please share and advise.

Thanks.

Regards, 

Shahzad.