Windows 10 Build 10240 Managing Hyper-V on 2012 R2 Datacenter Cannot Connect

July 21, 2015, 10:28 pm

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So, we have a total of six Hyper-V servers in our environment. All six were installed from the same Server 2012 R2 Datacenter ISO. I have been managing these from my Windows 8.1 machine with no issues. I got ahold of Windows 10 build 10240, and I am running into an issue connecting to the servers now.

The strange thing is that I CAN connect to one of them. I cannot figure out what is different on this one server from the other five. Windows updates maybe? I migrated all the VMs off one of the servers I cannot manage remotely, performed all Windows Updates, and I still cannot connect to it.

I am reading that Windows 10 should be backward-compatible with managing Hyper-V on 2012, but on connection, it appears a WMI namespace is missing that the Windows 10 tools are trying to connect to.

I am not trying to use alternate credentials (I read this will NOT work from 10 to 2012 R2). Any ideas why this is not working? Several Google searches have not told me anything so far. I realize Windows 10 has not officially been released yet, but a few of us are testing the waters for compatibility issues.

I would appreciate any help anybody can offer.

Eric

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Hyper-V Replication Recovery Points - Standard verses Application Consistent

December 31, 2015, 1:00 pm

≫ Next: We couldn't verify the product key. Please check your installation media. (Hyper-V Virtual Machine)

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I've searched extensively online for a better description of the use of "Standard" verses "Application Consistent" recovery points, and I just can't find a complete explanation.

By default replication uses "Standard" recovery points and you can configure "Application Consistent" (VSS) recovery points...if you need them. No place can I find a list or recommendation on what server applications absolutely need VSS recovery points.

I have VMs running web (IIS), SQL, and a proprietary application DDMS (which also uses SQL). Do these all need VSS recovery points?

What good are the "Standard" recovery points? Are these only functional for recovering a File/Print server? If that's the case, it would seem that the 30 second replication frequency doesn't buy you anything since VSS recovery points are limited to a minimum of a 1 hour cycle.

I'm sure there's something I'm missing about the recovery point options, and what I'm really looking for is a guide on how to configure this and what recovery points do I use for disaster recovery.

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Mark M. Carpenter

We couldn't verify the product key. Please check your installation media. (Hyper-V Virtual Machine)

August 18, 2014, 1:53 pm

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Hi there, 

I have been banging my head on an issue for the last couple of hours hoping someone can point me in the right direction. I have a Windows Server Standard 2012 R2 Media that we purchased from an online vendor. The software came with a single product key and as I understand Windows Server 2012 Standard R2 includes 2 Virtual Machine installations. When I installed the media on the physical server I was able to activate Windows without any problems at all. I installed the Hyper-V role on the same host server and when I tried to perform a virtualized installation of Windows Server 2012 Standard r2 on the machine I received the error "We couldn't verify the product key. Please check your installation media." 

I do not have any other keys other than what came with the package. As I understand I should be able to use the same Product Key included within the Virtual Machines if they are the same OS. If any one can provide any tips or experience, I appreciate the assistance greatly. 

Drop Connection to Personal And Pool VMs on RDS

December 29, 2015, 4:07 pm

≫ Next: Convert existing Hyper V host and two VMs to VM for rescue purposes

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Hi,

 I have Personal VMs and Pooled VMs on 2 Hyper-V Server 2012 R2 nodes and users complain that their Personal VM got disconnected or dropped unexpectedly. I checked the log and there are many  ID 9009. Users use mstsc from their thin client and remote into their Personal VMs. Other VMs are pooled and they experience drop connections on both.

Thanks

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Tuan

Convert existing Hyper V host and two VMs to VM for rescue purposes

December 13, 2015, 5:59 pm

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I have an existing Server 2012 host with two Hyper V VMs. The virtual RAID is failing and I've been asked to reset the RAID and reinstall the server via an image. Unfortunately I have been unable to get a reliable backup with my Barracuda backup device, Windows Backup, even Acronis TrueImage. All of these products seem to be having problems reading the disk. 

The next thought was to convert the host and the two VMs to another VM on another server.  In other words, convert the server 2013 host to a VM - as well as the existing VMs and put them on a completely NEW host on new hardware so the old hardware RAID can be reconfigured and reinstalled.  Is it possible to run a DC host and two VMs in virtual mode on a new host?  I hope this makes sense.

Thanks! 

Poor network speed between host and VM

January 3, 2016, 9:55 pm

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Hello everybody

Please help me to solve my problem

I have 2-nodes hyper-v failover cluster

Nodes are Windows 2012 R2 with Intel NICs

I can't normally copy file(s) from hyper-v host to VM and reverse direction (from VM to host)

Copying looks like: few seconds (about 5) there is a normal speed (about 50 MB/s) then it falls down till 0 and takes 10-30 seconds) then again few seconds (3-5) normal speed and again about 30 seconds 0 etc.

But in the same time copying file(s) between VM's or between hosts are good (about 50 MB/s)

it's related to any VM's, located on this cluster

Ping between VM's and Hosts <1ms

Virtual Machine Halt

January 3, 2016, 10:33 pm

≫ Next: how to schedule a Replication for two Hyper-V HOST

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Hi all

We are running windows 2008 r2 virtual machine running on Windows 2008 R2 Hyper V Manager . 

Every once or two days Virtual machine found in halt state and needs to be reset manually .

Please suggest .

Regards

how to schedule a Replication for two Hyper-V HOST

January 4, 2016, 1:00 am

≫ Next: Hyper-V 2012 R2 Core is losing NetworkCategory after restart

≪ Previous: Virtual Machine Halt

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Hi,

I noticed the UI can only set the 30s / 5m / 15m...

I would like to set it to replicate @every Monday 02:00... Please advise how to set this up ... ?!

Thanks

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Hyper-V 2012 R2 Core is losing NetworkCategory after restart

January 2, 2016, 4:51 am

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I have this since a long time.
After every restart my setting of the NIC goes back to Public.

What i did the whole time was in powershell:
Set-NetConnectionProfile -InterfaceIndex 17 -NetworkCategory Private

Now it's even worse because even if i set the NIC to private i only have a "Unidentified network"

I have two NICs.
Both are set to "external network" but only the one going to the switch is set to "allow to share this network adapter".

The other one goes to the ISP modem and is used only by pfSense running as VM.

I find "allow management operation system to share this network adapter" confusing.
Because even if this is turned off you can use the NIC in VMs?

VHDX file corrupted

July 21, 2014, 11:27 am

≫ Next: SSMS.EXE 100% CPU

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Hi guys,Really need your help on this one.

I have a customer that uses Hyper-V on Windows Server 2012 RTM.

The earlier IT guy (who was fired today) have been running the whole setup on dynamic disks.

One of the disks have 3,5 TB of data, and is therefore a VHDX file.
Today because of the heat the RAID controller reset, and that sadly corrupted the VHDX file.
Almost all of the VM's are dead, but this VHDX file holds ALL of the company data - such as dokuments, pictures, contracts, profiles, homedirs, and so on (you probably get the picture).
To top it all, the (now fired) IT guy didn't really check on the backup jobs - so no backup at all.

This company really needs help. I tried Bing'ing and Googling everything but no help as it is a VHDX and not a VHD file.

Whenever I try to start the machine, all I get is "Attachment 'D:\VHDs\FILESERVER1.vhdx' failed to open because of error: 'The file or directory is corrupted and unreadable.'."

I tried attaching it in disk manager with no luck (it will not open). I read that extending the size with VHDResize could uncorrupt the drive could help (but sadly it does not support VHDX format).

I really need your help here. Please join in with every crazy idea available.. These guys really need help.

The guy that comes up with a solution will not only recieve the credit, but I personally promise you an ice cold beer if you ever get to Denmark..

Or if you live in a country that I will ever visit, I will buy you one in your town.

THANK YOU SO MUCH!!

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Microsoft: MCP, MCTS, MCITP: SA, MCITP: EA || CIW: Associate, Security Professional || CompTIA: A+, Server+, Linux+ || Citrix: CCA on XenApp || HP: ASP, ASP:SMB || Astaro: ACA, ACE

SSMS.EXE 100% CPU

September 12, 2015, 6:19 am

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We have more thn 1 2012 R2 hyper-v server. Only on 1 are we experiencing 100% CPU with ssms.exe process which slows other VM's way down. The way that i understand, smss.exe is there because we use dynamic memory. Is that why the smss.exe process is there? We use dynamic memory on all our hyper-v servers and i dont see sssms.exe on any other server much less using 100% of the CPU. All the hyper-v servers are hyper-v servers only meaning the host does nothing but hyper-v. They all have available memory both on the host. Seems there are 2 ssms.exe processes:

I can kill the process but it will eventually come back eating up 100% CPU and i have rebooted the physical server. When i kill the 98% process, the vm's work fine and everything appears to work but why is it there?

Clone Hyper V Vm Terminal Server

January 4, 2016, 5:11 am

≫ Next: Hyper-V connection from different domain

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Hi,

I have Hyper V 2012 and i have a terminal server (Server 2008R2) i want to clone the vm and to be have 2 terminal server

What its the best way to do that

I know that i need to export and import the machine with (Copy the virtual machine (create a new uniqe ID)

the question after the export import i need to do sysprep on the machine ? the terminal in domain

Thank

Zahi

Hyper-V connection from different domain

January 4, 2016, 5:29 am

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Hi,

Just installed Hyper-V in a test-environment Server 2012 R2. Let's call this test.local for convenience.

Was wondering if it is possible to connect from a different domain (mycompany.local) using the hyper-v management tools.

If I run the hyper-v management tools as a different user (test.local\Admin) I get trust issues.

Thanks in advance

Creating checkpoint causes VM to restart

June 30, 2014, 9:29 pm

≫ Next: Nesting Hyper-V and UEFI PXE

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Just wondering if anyones experienced this?

I have a customer with a 4 Node 2012R2 Hyper-V Cluster.

Sometimes performing a checkpoint will cause a VM to reboot. It's happened to both VM's running windows 2008R2 and 2012R2 with latest versions of integration tools installed.

Anyone ever seen this behaviour?

Thanks

Gil

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Gil Gross | Technical Lead | G-Net Network Solutions | www.g-net.co.il | plz visit my blog - gilgrossblog.wordpress.com

Nesting Hyper-V and UEFI PXE

January 6, 2016, 5:23 am

≫ Next: BSOD Crashdump on HyperV 2012 R2 Guest OS, IRQL_NOT_LESS_OR_EQUAL IP_MISALIGNED

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Hi,

I'm in the following situation:

1 nested Windows Server 2012R2 - Hyper-V --> HV1

In this HV1 runs 2-3 VMs.

VM1: Windows Server 2012R2 (AD, DHCP, DNS, WDS, Deploymentsolution, Firewall OFF)

VM2/3: TestClient Windows 8.1 (Firewall OFF, get the IP from VM1)

If I use Gen1 VMs my testing works, but the NICs are extremly slow(10Mbit).

Deploymentsolution works, OS Capture and Deploy.

So I rebuild the Testplatform with gen2 VMs.

Secure Boot OFF!!

No I get the error. "Boot Failed. EFI Network"

All what I found so far was to deactivate Secure Boot, but this doesn't solve my problem in my nested szenario.

Does anyone have a hint what the problem is?

regards

Tobias

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BSOD Crashdump on HyperV 2012 R2 Guest OS, IRQL_NOT_LESS_OR_EQUAL IP_MISALIGNED

January 5, 2016, 4:18 pm

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I have this sporadic BSOD issue with a hyperV guest OS and the publisher is telling me its drivers but the system is using default hyperV drivers and this is the only application having the issue.

system is 2012 R2 in a 2012 R2 HyperV environment.

Wondering if anyone has any ideas, here is the crashdump:

*******************************************************************************
*                                                                            *
*                        Bugcheck Analysis                                    *
*                                                                            *
*******************************************************************************

IRQL_NOT_LESS_OR_EQUAL (a)
An attempt was made to access a pageable (or completely invalid) address at an
interrupt request level (IRQL) that is too high.  This is usually
caused by drivers using improper addresses.
If a kernel debugger is available get the stack backtrace.
Arguments:
Arg1: 0000000048020004, memory referenced
Arg2: 0000000000000002, IRQL
Arg3: 0000000000000001, bitfield :
bit 0 : value 0 = read operation, 1 = write operation
bit 3 : value 0 = not an execute operation, 1 = execute operation (only on chips which support this level of status)
Arg4: fffff800d730ac34, address which referenced memory

Debugging Details:
------------------


DUMP_FILE_ATTRIBUTES: 0x8
  Kernel Generated Triage Dump

WRITE_ADDRESS:  0000000048020004 

CURRENT_IRQL:  2

FAULTING_IP: 
nt!KiSwapThread+114
fffff800`d730ac34 86840100000248  xchg    al,byte ptr [rcx+rax+48020000h]

CUSTOMER_CRASH_COUNT:  1

DEFAULT_BUCKET_ID:  WIN8_DRIVER_FAULT_SERVER

BUGCHECK_STR:  AV

PROCESS_NAME:  MEIMAPS.EXE

ANALYSIS_VERSION: 6.3.9600.17336 (debuggers(dbg).150226-1500) amd64fre

TRAP_FRAME:  ffffd001e4a46750 -- (.trap 0xffffd001e4a46750)
NOTE: The trap frame does not contain all registers.
Some register values may be zeroed or incorrect.
rax=0000000000000000 rbx=0000000000000000 rcx=0000000000000004
rdx=fffffa800c1afac0 rsi=0000000000000000 rdi=0000000000000000
rip=fffff800d730ac34 rsp=ffffd001e4a468e0 rbp=ffffe0016520ff18
 r8=0000000000000001  r9=0000000000000004 r10=0000000000000000
r11=0000000000000000 r12=0000000000000000 r13=0000000000000000
r14=0000000000000000 r15=0000000000000000
iopl=0         nv up ei pl zr na po nc
nt!KiSwapThread+0x114:
fffff800`d730ac34 86840100000248  xchg    al,byte ptr [rcx+rax+48020000h] ds:00000000`48020004=??
Resetting default scope

MISALIGNED_IP: 
nt!KiSwapThread+114
fffff800`d730ac34 86840100000248  xchg    al,byte ptr [rcx+rax+48020000h]

LAST_CONTROL_TRANSFER:  from fffff800d73dd4e9 to fffff800d73d19a0

STACK_TEXT:  
ffffd001`e4a46608 fffff800`d73dd4e9 : 00000000`0000000a 00000000`48020004 00000000`00000002 00000000`00000001 : nt!KeBugCheckEx
ffffd001`e4a46610 fffff800`d73dbd3a : 00000000`00000001 ffffe001`6523e080 00000000`00000000 00000000`00000000 : nt!KiBugCheckDispatch+0x69
ffffd001`e4a46750 fffff800`d730ac34 : ffffd001`e5995180 ffffe001`6523e080 00000000`fffffffe 00000000`fffffffe : nt!KiPageFault+0x23a
ffffd001`e4a468e0 fffff800`d730a6e9 : ffffe001`652451c0 fffff800`d733e185 00000000`00000001 ffffd001`e4a46a09 : nt!KiSwapThread+0x114
ffffd001`e4a46980 fffff800`d72d6bb3 : ffffe001`6523e080 00000000`00000001 ffffe001`6522e080 fffff800`6600dd82 : nt!KiCommitThreadWait+0x129
ffffd001`e4a46a00 fffff800`d7627872 : ffffe001`6617dd00 00000000`00000006 00000000`00000000 00000000`00000000 : nt!KeWaitForSingleObject+0x373
ffffd001`e4a46a90 fffff800`d73dd1b3 : ffffe001`6523e080 00000000`ffffffff 00000000`00000000 ffffe001`6617dd00 : nt!NtWaitForSingleObject+0xb2
ffffd001`e4a46b00 00007ffd`fc66121a : 00000000`00000000 00000000`00000000 00000000`00000000 00000000`00000000 : nt!KiSystemServiceCopyEnd+0x13
00000000`20087138 00000000`00000000 : 00000000`00000000 00000000`00000000 00000000`00000000 00000000`00000000 : 0x00007ffd`fc66121a


STACK_COMMAND:  kb

FOLLOWUP_IP: 
nt!KiSwapThread+114
fffff800`d730ac34 86840100000248  xchg    al,byte ptr [rcx+rax+48020000h]

SYMBOL_STACK_INDEX:  3

SYMBOL_NAME:  nt!KiSwapThread+114

FOLLOWUP_NAME:  MachineOwner

IMAGE_NAME:  hardware

DEBUG_FLR_IMAGE_TIMESTAMP:  0

IMAGE_VERSION:  6.3.9600.18007

MODULE_NAME: hardware

FAILURE_BUCKET_ID:  IP_MISALIGNED

BUCKET_ID:  IP_MISALIGNED

ANALYSIS_SOURCE:  KM

FAILURE_ID_HASH_STRING:  km:ip_misaligned

FAILURE_ID_HASH:  {201b0e5d-db2a-63d2-77be-8ce8ff234750}

Followup: MachineOwner
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Online Resize of VHDX causes guest to crash and fail

January 6, 2016, 4:29 am

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I just started to see an issue in my Hyper-V environment where re-sizing online VHDX files causes the guest VM to crash and fail randomly within 24 hours after successfully re-sizing the virtual hard disk.  The error I am seeing is shown below:

I am using Hyper-V replication in my environment, but I always follow the recommended procedure for re-sizing disks with replication enabled and I have never had an issue like this before.  Has anyone else seen this type of behavior?

Hyper-v vm not connecting to network

January 5, 2016, 11:36 pm

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Hi 

I have created a hyper-v system on vmware esxi , its nested virtualization and created a vm under hyperv

now problem is, i am not able to connect to that vm which created in hyperv.

i have tried many things but no luck , any help would be appreciated.

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Neeraj Jha

How to connect to Hyper-v server from WMIC?

January 6, 2016, 12:22 am

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Is there any way to connect to hyper-v server from WMIC? 

any query? 

Problems RDP'ing onto server

January 6, 2016, 8:05 am

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I recently rebuilt a Windows Server 2012 R2 Hyper-V host, which has 4 physical NICs.  1 is dedicated to the host, with a static IP, 1 is dedicated to the Hyper-V switch, and the other 2 have DHCP (for troubleshooting purposes).  For some reason, I cannot ping the NIC dedicated for the Hyper-V host, and I cannot RDP to it.  I have verified Remote Desktop is enabled, and the Windows firewall is off.  I can RDP onto both the other NICs IPs, and when I assign the Hyper-V host NIC to DHCP, I can RDP onto the server then.  I have verified there is no other device using the same IP as the static IP in question.  Can someone please help me troubleshoot this problem?  Thanks!