List of Hyper-V related hotfixes post RTM for Windows 8.1 and Windows Server 2012 R2


Applies to:   

Windows Server 2012 R2     
Windows 8.1

Windows Server 2012 R2 RTM
Windows 8.1 RTM

Note:  You should check http://support.microsoft.com for the latest version of the different files.
Note 2:  These are not available in Windows Update.
Note 3:  You can download them without entering your e-mail address and captcha if you are a Microsoft Premier customer and have a
http://Premier.Microsoft.com account.
Note 4:  Carefully review the list and decide which might be applicable to your unique environment.
Note 5:  Test in your test and your quality assurance environment.

Originally published Feb. 2014.   Updated Feb. 2014 and Sep. 2017.


The recommended fixes by the Hyper-V Product Group (PG) and Customer Service and Support (CSS)

3135020 Recommended hotfixes, updates, and known solutions for Windows Server 2012 R2 Hyper-V environments

http://support.microsoft.com/?id=3135020



A complete list up to Sep. 2017:

3146604 WMI service crashes randomly in Windows Server 2012 R2 or Windows Server 2012

http://support.microsoft.com/?id=3146604

Update(s):

Wmidcprv.dll 6.3.9600.18264 

Wmiprvsd.dll 6.3.9600.18264 

Wmiprvse.exe 6.3.9600.18264

Wmipicmp.dll 6.3.9600.18264 

Wmipicmp.mof 

Wmiprov.dll 6.3.9600.18264


3145432 Cluster nodes or VMs go offline when they are using VMQ capable NICs on a Windows Server 2012 R2 host

http://support.microsoft.com/?id=3145432

Update(s):

Msft_netlbfoteam.cdxml 

Msft_netlbfoteam.format.ps1xml 

Msft_netlbfoteammember.cdxml 

Msft_netlbfoteammember.format.ps1xml 

Msft_netlbfoteamnic.cdxml 

Msft_netlbfoteamnic.format.ps1xml 

Msft_netswitchteam.cdxml 

Msft_netswitchteam.format.ps1xml 

Msft_netswitchteammember.cdxml 

Msft_netswitchteammember.format.ps1xml 

Msnetimplatform.mof 

Ndisimplatcim.dll 6.3.9600.18258 

Ndisimplatform.dll 6.3.9600.17415

Ndisimplatform.sys 6.3.9600.18258 

Netlbfo.psd1 

Netlbfo.types.ps1xml 

Netswitchteam.mof 

Netswitchteam.psd1 

Netswitchteamcim.dll 6.3.9600.17415 

Mslbfoprovider.sys 6.3.9600.18258 

Msft_netlbfoteam.cdxml 

Msft_netlbfoteam.format.ps1xml 

Msft_netlbfoteammember.cdxml 

Msft_netlbfoteammember.format.ps1xml 

Msft_netlbfoteamnic.cdxml  

Msft_netlbfoteamnic.format.ps1xml 

Msft_netswitchteam.cdxml 

Msft_netswitchteam.format.ps1xml 

Msft_netswitchteammember.cdxml 

Msft_netswitchteammember.format.ps1xml 

Netlbfo.psd1

Netlbfo.types.ps1xml 

Netswitchteam.psd1


Supersede(s):

3031598 Hyper-V host crashes and has errors when you perform a VM live migration in Windows 8.1 and Windows Server 2012 R2

http://support.microsoft.com/kb/3031598

2995392 Stop error 0x000000D1 after you install the Hyper-V role in Windows Server 2012 R2

http://support.microsoft.com/kb/2995392

2982439 A restarted virtual machine loses connectivity after you set the 2974619 "Private VLAN (PVLAN) networks" option in a Windows Server 2012 R2 environment

http://support.microsoft.com/kb/2982439

2974619 Hyper-V virtual machines freeze in Windows Server 2012 R2 in a Cloud Platform System environment

http://support.microsoft.com/kb/2974619

2974615 Network disconnects intermittently when network throughput is high in Windows Server 2012 R2 in Cloud Platform System

http://support.microsoft.com/kb/2974615

2965735 The CA Ping tool always fails for IPv6 addresses in Windows Server 2012 R2

http://support.microsoft.com/kb/2965735

2965178 VMQs cannot be created or the NVGRE offloads incorrectly on a Windows 8.1 or Windows Server 2012 R2-based Hyper-V host

http://support.microsoft.com/kb/2965178




3141074 "0x00000001" Stop error when a shared VHDX file is accessed in Windows Server 2012 R2-based Hyper-V guest

http://support.microsoft.com/?id=3141074

Update(s):

Vhdmp.sys 6.3.9600.18230

Supersede(s):

3036173 "0x00000050" Stop error when Hyper-V host crashes in Windows Server 2012 R2

http://support.microsoft.com/kb/
3036173

3139896  Hyper-V guest may freeze when it is running failover cluster service together with shared VHDX in Windows Server 2012 R2

http://support.microsoft.com/?id=3139896

Update(s):

Pvhdparser.sys 6.3.9600.18229


3139164 Tracert command doesn't receive responses when you trace resources on Internet through Windows Server 2012 R2 HNV GW

http://support.microsoft.com/?id=3139164

Update(s):

Winnat.sys 6.3.9600.18226


3102354 Hyper-V generation 2 virtual machines can't start with some pass-through disks in Windows Server 2012 R2

http://support.microsoft.com/?id=3102354

Update(s):

Vmwp.exe 6.3.9600.18085 


Supersede(s):

3095308 VMs may not get additional memory although they're set to use Dynamic Memory in Windows Server 2012 R2

http://support.microsoft.com/kb/
3095308

2942507 Server Manager shows an incorrect amount of memory on a computer that's running a Generation 2 Virtual Machine

http://support.microsoft.com/kb/2942507

2896800 Hyper-V guest OS does not shut down when you restart the host computer that is running Windows Server 2012 R2 or Windows 8.1

http://support.microsoft.com/kb/
2896800


3092604 Network is corrupted between Guest OS and external network for VMs hosted on Windows 8.1 or Windows Server 2012 R2

http://support.microsoft.com/?id=3092604

Update(s):

Vmsif.dll 6.3.9600.17396 

Vmsnetsetupplugin.dll 6.3.9600.17396 

Vmswitch.sys 6.3.9600.18086 

Vmsif.dll 6.3.9600.17396 

Vmsntfy.dll 6.3.9600.17396 

Vmswitch.sys 6.3.9600.18086  

Vmsif.dll 6.3.9600.17396 

Vmsntfy.dll 6.3.9600.17396 

Vmswitch.sys 6.3.9600.18086 

Vmsif.dll 6.3.9600.17396 

Vmsntfy.dll 6.3.9600.17396 

Vmswitch.sys 6.3.9600.18086


Supersede(s):

3014795 A third-party switch extension to the Microsoft VM switch cannot be disabled on Windows Server 2012 R2

http://support.microsoft.com/kb/3014795

2965733 The guest cluster is not available to service users after failover in a Hyper-V Network Virtualization environment

http://support.microsoft.com/kb/2965733

2956241 Network communication is very slow in a virtual machine that has the LSO feature of Hyper-V Network Virtualization enabled

http://support.microsoft.com/kb/2956241

2928439 The virtual machine network fails if the "minimum bandwidth weight" setting is enabled in Windows Server 2012

http://support.microsoft.com/kb/2928439

2913659 Windows Server 2012 R2-based Hyper-V server crashes when network traffic passes through a virtual switch

http://support.microsoft.com/kb/2913659

2902821 A virtual machine that is configured to use the DLC protocol does not connect to an SNA host on Hyper-V Server 2012 or Hyper-V Server 2012 R2

http://support.microsoft.com/kb/2902821


3087856 Non-queued commands are sent to disk controller on a Windows Server 2012 R2-based Hyper-V host server

http://support.microsoft.com/?id=3087856

Update(s):

Passthruparser.sys 6.3.9600.18008


3072381 "0xc0000017" error when you restart a UEFI-based computer in Windows

http://support.microsoft.com/?id=3072381

Update(s):

Winload.efi 6.3.9600.17904 

Winload.exe 6.3.9600.17904 

Winload.efi 6.3.9600.17904 

Winload.exe 6.3.9600.17904 

Winresume.efi 6.3.9600.17904 

Winresume.exe 6.3.9600.17904


3072380 Hyper-V cluster unnecessarily recovers the virtual machine resources in Windows Server 2012 R2

http://support.microsoft.com/?id=3072380

Update(s):

Rdvgpuinfo.dll 6.3.9600.17396 

Vmms.exe 6.3.9600.17904

Supersedes:

3037313 Old files are not removed after a migration of virtual machine storage in Windows 8.1 or Windows Server 2012 R2

http://support.microsoft.com/kb/3037313

3020717 VMMS crashes when you perform live migration and request VM information at the same time in Windows Server 2012 R2

http://support.microsoft.com/kb/3020717

3012714 Hyper-V storage migration failure and "ERROR_BAD_COMMAND" error in Windows Server 2012 R2 or Windows Server 2012

http://support.microsoft.com/kb/3012714

2966407 Backing up virtual machines fails when using the CSV writer after installation of update 2919355 in Windows

http://support.microsoft.com/kb/2966407


3068445  Virtual machines that host on Windows Server 2012 R2 may crash or restart unexpectedly

http://support.microsoft.com/?id=3068445

Update(s):

Csvfs.sys 6.3.9600.17891


Supesede(s):

3025091 Shared Hyper-V virtual disk is inaccessible when it's located in Storage Spaces on a Windows Server 2012 R2-based computer (Partially)

http://support.microsoft.com/kb/3025091

2970653 A SQL Server that is running in a Hyper-V virtual machine takes a long time to restore a database to a dynamic VHD

http://support.microsoft.com/kb/2970653


3068444 "An unrecoverable failure occurred inside the filter manager" error on a failover cluster node that hosts shared VHDx files

http://support.microsoft.com/?id=3068444  

Update(s):

Svhdxflt.sys 6.3.9600.17891


3063283 Update to improve the backup of Hyper-V Integrated components in Hyper-V Server 2012 R2

http://support.microsoft.com/?id=3063283

Update(s):

Windows5.x-hypervintegrationservices-x64.msi 

Windows5.x-hypervintegrationservices-x64.xml 

Windows6.x-hypervintegrationservices-x64.xml

Setup.exe 6.3.9600.17831 

Windows5.x-hypervintegrationservices-x86.msi 

Windows5.x-hypervintegrationservices-x86.xml 

Windows6.x-hypervintegrationservices-x86.xml 

Setup.exe 6.3.9600.17831


Supersede(s):

3046826 You cannot upgrade Hyper-V integration components or back up Windows virtual machines

http://support.microsoft.com/kb/3046826

2908415 Clustered shared volumes go offline or the Cluster service stops during VM backup on a Windows Server 2012 Hyper-V host server

http://support.microsoft.com/kb/2908415


3055292 Microsoft Hyper-V does not start on an AMD Carrizo-based computer that is running Windows 8.1 or Windows Server 2012 R2

http://support.microsoft.com/?id=3055292

Update(s):

Hvax64.exe 6.3.9600.17795 

Hvix64.exe 6.3.9600.17795 

Hvloader.efi 6.3.9600.17796 

Hvloader.exe 6.3.9600.17796 

Hvservice.sys 6.3.9600.17795

Kdhvcom.dll 6.3.9600.17795

Supersede(s):

3014069 Performance regressing in Hyper-V guest system in Windows Server 2012 R2 or Windows 8.1

http://support.microsoft.com/kb/3055292


3049448 Resolution of external DNS records on a Windows Server 2012 R2 Hyper-V guest cluster fails through a Hyper-V Network Virtualization Gateway

http://support.microsoft.com/?id=3049448

Update(s):

Winnat.sys 6.3.9600.17791


3049443 Live migration of virtual machine to another host fails on a Windows Server 2012 R2-based Hyper-V host server

http://support.microsoft.com/?id=3049443

Update(s):

Winmgmt.exe 6.3.9600.17415

Wmiaprpl.dll 6.3.9600.17415

Wmisvc.dll 6.3.9600.17818

Wmiprov.dll 6.3.9600.17818

Winmgmt.exe 6.3.9600.17415

Wmiaprpl.dll 6.3.9600.17415


3047280 "The URL cannot be resolved" error in DirectAccess and routing failure on HNV gateway cluster in Windows Server 2012 R2

http://support.microsoft.com/?id=3047280

Update(s ):

Cleanupmofonuninstall.exe 6.3.9600.17795 

Mprapi.dll 6.3.9600.17795 

Ramgmtpsprovider.dll.mui 6.3.9600.17795 

Ramgmtpsprovider.mfl

Ramgmtpsprovider_uninstall.mfl 

<snip, too many to list>

Pbkmigr.dll 7.2.9600.17485 

Rasapi32.dll 6.3.9600.17795 

Iprtprio.dll 6.3.9600.17415 

Iprtrmgr.dll 6.3.9600.17415 

Mprdim.dll 6.3.9600.17795 

Rasmigplugin.dll 7.2.9600.17795 

Rtm.dll 6.3.9600.17415 

Mprapi.dll 6.3.9600.17795

Mprddm.dll 6.3.9600.17795


Supersede(s):

3022776 Update to add support for Generic Routing Encapsulation in Windows 8.1 and Windows Server 2012 R2

http://support.microsoft.com/kb/
3022776


3031420 "100060" time-out error when you drain VM roles for CAU during VM live migration on Windows Server 2012 R2 compute nodes

http://support.microsoft.com/?id=3031420

Update(s):

Vmclusres.dll 6.3.9600.17630

Supersede(s):

2976884 "Access denied error" when Hyper-V Replica Broker goes online in a Windows Server 2012 or Windows Server 2012 R2 cluster

http://support.microsoft.com/kb/
2976884


3027110 System may freeze if a reserved disk is mounted accidentally in Windows 8.1 or Windows Server 2012 R2

http://support.microsoft.com/?id=3027110

Update(s):

Ntfs.sys 6.3.9600.17631

Supersede(s):

2965471 VHDX virtual hard disk takes a long time to be created on an SMB share on a Windows 8.1 or Windows Server 2012 R2 Hyper-V host

http://support.microsoft.com/kb/2965471

2913695 OffloadWrite is doing PrepareForCriticalIo for the whole VHD in a Windows Server 2012 or Windows Server 2012 R2 Hyper-V host

http://support.microsoft.com/kb/2913695

3025091 Shared Hyper-V virtual disk is inaccessible when it's located in Storage Spaces on a Windows Server 2012 R2-based computer

http://support.microsoft.com/kb/
3025091

Update(s):

Csvfs.sys 6.3.9600.18000 <-- superseded by KB3068445

Svhdxflt.sys 6.3.9600.18000 

Mrxsmb20.sys 6.3.9600.18001 

Mrxsmb.sys 6.3.9600.18001

Srv2.sys 6.3.9600.18001


Supersede(s):

2972251 Event 1002 when system file information folder is shared in Windows 8.1 or Windows Server 2012 R2

http://support.microsoft.com/kb/2972251


3022332 "Windows has detected an IP address conflict" error in Windows Server 2012 R2 or Windows Server 2008 R2 NLB nodes

http://support.microsoft.com/?id=3022332

Update(s):

Nlb.sys 6.3.9600.17627


2966870 Fix restart problems after you install update rollup 2919355 in Windows 8.1 or Windows Server 2012 R2

http://support.microsoft.com/?id=2966870

Update(s):

Storport.sys 6.3.9600.17122


2965739 NICs disappear and vSwitch becomes private in Windows Server 2012 R2

http://support.microsoft.com/?id=2965739

Update(s):

Netcfgx.dll 6.3.9600.17114


2964439 Hyper-V virtual machine backup leaves the VM in a locked state

http://support.microsoft.com/?id=2964439

Update(s):

Eventcls.dll 6.3.9600.16384 

Vssapi.dll 6.3.9600.17120 

Vsstrace.dll 6.3.9600.17120


2927767 Audio redirection stops 30 to 60 minutes after you connect to a guest operating system on a Hyper-V host computer that is running Windows

http://support.microsoft.com/?id=2927767

Update(s):

Audiodg.exe

Audioeng.dll

Audiokse.dll

Audioses.dll

Audiosrv.dll

Encdump.dll 5.0.1.1 

Prod_audio-audiocore.ptxml


2925766 Windows Server 2012 R2 or Windows 8.1 crashes when virtual volumes are exposed to hyper-v virtual machines

http://support.microsoft.com/kb/2925766 

Update(s):

Spaceport.inf_loc 

Spaceport.sys  6.3.9600.16508


2905600 The Vmwp.exe process on a Hyper-V host leaks memory in Windows 8 or Windows Server 2012

http://support.microsoft.com/kb/2905600

Update(s):

Vmrdvcore.dll  6.2.9200.20866


2894032 Clustered virtual machine cannot access LUNs over a Synthetic Fibre Channel after you perform live migration on Windows Server 2012 or Windows Server 2012 R2-based Hyper-V hosts

http://support.microsoft.com/kb/2894032

Update(s):


Synthfcvdev.dll  6.2.9200.16729

Synthfcvdev.dll  6.2.9200.20840 


More information:

=================


If you have Failover Clustering enabled:


List of Failover Cluster related hotfixes post RTM for Windows Server 2012 R2 RTM


http://blogs.technet.com/b/yongrhee/archive/2014/02/16/list-of-failover-cluster-related-hotfixes-post-rtm-for-windows-server-2012-r2-rtm.aspx Jump


If you have SCVMM 2012 R2, here is SCVMM 2012 R2 Update 1:


http://blogs.technet.com/b/yongrhee/archive/2014/02/06/update-1-for-scvmm-2012-r2-released.aspx Jump


2875120 Error 2927 when you add a Hyper-V server or a Hyper-V cluster node in System Center VMM


http://support.microsoft.com/kb/2875120



If you have RD Virtualization:


-------------------------------


2908810 Memory and deadlock issues for the RD Virtualization Host and RD Connection Broker role services in Windows 8.1


http://support.microsoft.com/kb/2908810



Update(s):


Vmrdvcore.dll 6.3.9600.16460


Tsrpc.dll 6.3.9600.16384


Tsvmhasvc.dll 6.3.9600.16460


Tsv_migplugin.dll 6.3.9600.16384


Terminalserversessiondirectoryrole.cmd   


Tssdis.exe 6.3.9600.16460


Tssdis_migplugin.dll 6.3.9600.16384


Tssessiondirectory.events.xml

The list has been moved to the Technet Wiki below.

List of Hyper-V related hotfixes post RTM for Windows 8.1 RTM and Windows Server 2012 R2 RTM
http://social.technet.microsoft.com/wiki/contents/articles/30353.list-of-hyper-v-related-hotfixes-post-rtm-for-windows-8-1-rtm-and-windows-server-2012-r2-rtm.aspx

This should help with getting the list updated sooner with the help of the WW community.

02:10

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