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Can’t access a resource on a failover cluster : Logon Failure: The target account name is incorrect
If you a running a Windows 2012 failover cluster and you tried to access the resource by using a resource name from a Windows XP-based or Windows Server 2003 computer, you will receive the following error message:find the following issue:
is not accessible. You might not have permission to use this network resource. Contact the administrator of this server to find out if you have access permissions. Logon Failure: The target account name is incorrect
This issue occurs because the rc4-hmac keys on the Domain Controller and the cluster side for the virtual computer object (VCO) are different. The ticket decryption fails when the ticket is encrypted by using the rc4-hmac encryption. Additionally, the cluster becomes unavailable for any computer that uses the rc4-hmac keys.
Note: This applies to Windows 8 and Windows 2012 Fail over cluster and as per Microsoft advise it can impact Hyper-V deployments where the CNO password gets out of sync and you can no longer do Live Migrations.
So this should be proactively deployed
The hotfix is available here: http://support.microsoft.com/hotfix/KBHotfix.aspx?kbnum=2838043&kbln=en-us
Looking for MS Recommended hotfixes and updates for Server 2012 Failover Clusters?
Microsoft published an article that documents the hotfixes that are currently available for Windows Server 2012-based Failover Clusters.
Failover Clustering allows multiple servers to provide high availability of server roles. Failover Clustering is often used for File Services, Virtual Machines, Database Applications, and Mail Applications.
The recommended hotfixes and updates for Windows Server 2012-based Failover Clusters : http://support.microsoft.com/kb/2784261
Update to improve cloud service provider resiliency in Windows Server 2012
Microsoft released an update to improve the cloud service provider in Windows 2012
Note : The KB2870270 roll-up hotfix replaces KB2848344. This hotfix contains the fix for Trim as well as ODX. It is no longer necessary to disable Trim or ODX with this fix applied
The following issues are also resolved with this update:
– An Windows 2012 Hyper-V Cluster that uses CSV is moved or is toggled between directed access and redirected access when the performance monitor is running. In this situation, the performance counters no longer function.
– An Windows 2012 Hyper-V Cluster and the Virtual Machines VHD files are stored on a scale-out file share and the server is under a heavy load. In this scenario, the server may crash, and you may receive a Stop error message that resembles: STOP: 0x000000C2 (parameter1, parameter2, parameter3, parameter4) – Notes: The parameters in the Stop error message vary, depending on the configuration of the computer and not all “Stop 0x000000C2” errors are caused by this issue.
– When you use the Windows thin provisioning feature on a Windows Server 2012-based computer, you experience the same I/O delays or I/O stalls that occur during the volume-unmounting process in NTF volumes.
Plus the issues that are described in the following Microsoft Knowledge Base (KB) articles are resolved:
Resource outage when moving physical disc when using DPM to backup an HyperV Cluster.
Microsoft just released a critical fix for hyper cluster that have been backed up by System Center DPM
“Physical Disk resource move during the backup of a Cluster Shared Volume (CSV) may cause resource outage”.
If you have configured a Windows Server 2012-based Hyper-V failover cluster CSV and your backup software perform the backup by using snapshots and the Physical Disk resource is moved to another node in the cluster, the Physical Disk resource may fail to come online if the backup of the CSV is in progress. As a result, virtual machines that rely on the CSV may crash.
A supported hotfix is available from Microsoft. However, this hotfix is intended to correct only the problem that is described in this article. Apply this hotfix only to systems that are experiencing this specific problem.
More info :http://support.microsoft.com/kb/2869923
- Windows Server 2012 Datacenter
- Windows Server 2012 Essentials
- Windows Server 2012 Foundation
- Windows Server 2012 Standard
W2008R2 Failover Cluster : New hotfix to improve performance enables faster failover times in a SQL 2012
After you enable the AlwaysOn Availability Group feature in Microsoft SQL Server 2012 on a Windows Server 2008 R2-based failover cluster, using local and remote Availability Group database replicas, the failover time to the local replica takes longer than expected.
Note This issue occurs because of inter-node communication within the cluster.
To improve the performance of the “AlwaysOn Availability Group” feature in SQL Server 2012 is available for Windows Server 2008 R2.
Important : You must restart the computer after you apply this hotfix
To download: http://support.microsoft.com/kb/2687741/en-us
Windows 2008R2 – Hyper-V / Cluster. Post SP1 patches
Here is the list of required and optional post Windows 2008R2 SP1 hotfixes.
Please keep in mind that it all depends on which hardware and software combinations are used:
Note: Windows Server 2008 R2 SP1 should be installed at a minimum plus the required hotfixes.
1 Windows & Hyper-V : Required Hotfixes
Validate SCSI Device Vital Product Data (VPD) test fails after you install Windows Server 2008 R2 SP1
http://support.microsoft.com/kb/2531907(required for 3+ node Hyper-V clusters)
The network connection of a running Hyper-V virtual machine may be lost under heavy outgoing network traffic on a computer that is running Windows Server 2008 R2 SP1
http://support.microsoft.com/kb/2263829
The Cluster service stops unexpectedly on a Windows Server 2008 R2 failover cluster node when you perform multiple backup operations in parallel on a cluster shared volume
http://support.microsoft.com/kb/2494162(required for Veeam backup software)
MPIO failover fails on a computer that is running Windows Server 2008 R2
http://support.microsoft.com/kb/2460971
The MPIO driver fails over all paths incorrectly when a transient single failure occurs in Windows Server 2008 or in Windows Server 2008 R2
http://support.microsoft.com/kb/2522766
Performance decreases in Windows Server 2008 R2 when the Hyper-V role is installed on a computer that uses Intel Westmere or Sandy Bridge processors
http://support.microsoft.com/kb/2517329 (for example : Intel Xeon 5600 series processors )
Stop error 0x0000007a occurs on a virtual machine that is running on a Windows Server 2008 R2-based failover cluster with a cluster shared volume, and the state of the CSV is switched to redirected access.
http://support.microsoft.com/kb/2494016 (required for Veeam backup software)
Optional Hotfixes
An update is available for Hyper-V Best Practices Analyzer for Windows Server 2008 R2
http://support.microsoft.com/kb/2485986
“0x0000009E” Stop error when you add an extra storage disk to a failover cluster in Windows Server 2008 R2
http://support.microsoft.com/kb/2520235
A virtual machine online backup fails in Windows Server 2008 R2 when the SAN policy is set to “Offline All”
http://support.microsoft.com/kb/2521348
Cluster node cannot rejoin the cluster after the node is restarted or removed from the cluster in Windows Server 2008 R2
http://support.microsoft.com/kb/2549472
Cluster service stops when an error occurs in the registry replication process of a failover cluster in Windows Server 2008 R2 or in Windows Server 2008
http://support.microsoft.com/kb/2496034
“0x20001” Stop error when you start a Linux VM in Windows Server 2008 R2 SP1
http://support.microsoft.com/kb/2550569
A heap memory leak occurs when an application or service queries the MSCluster_Resource WMI class in Windows Server 2008 R2
http://support.microsoft.com/kb/2580360
Cluster service initiates a failover after a delay of about 80 seconds when you shutdown the active node in Windows Server 2008 R2
http://support.microsoft.com/kb/2575625/en-us?sd=rss&spid=14134
New registration entries are added to the Persistent Reservation table when the physical disk resource that is associated with the CSV is taken offline on a Windows Server 2008 R2-based Failover Cluster
http://support.microsoft.com/kb/2579052/en-us?sd=rss&spid=14134
A transient communication failure causes a Windows Server 2008 R2 failover cluster to stop working
http://support.microsoft.com/kb/2550886
Cluster service leaks memory when the service handles state change notifications in Windows Server 2008 R2 or Windows Server 2008
http://support.microsoft.com/kb/2550894
Hyper-V Export function consumes all available memory in Windows Server 2008 or in Windows Server 2008 R2
http://support.microsoft.com/kb/2547551
Microcode update for Intel processors in Windows 7 or in Windows Server 2008 R2
http://support.microsoft.com/kb/2493989
Corrupted VSS snapshot
http://support.microsoft.com/hotfix/KBHotfix.aspx?kbnum=975688&kbln=en-us
FIX: The guest operating system may crash (STOP 0xd) when you perform a live migration of Hyper-V virtual machines in a Windows Server 2008 R2 environment
http://support.microsoft.com/kb/2636573
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A BIG Thanks to Hans Vredevoort
Find out what hotfix or update replaces other windows updates
Sometimes you need an hotfix but you find that hotfix is currently unavailable for online request. How to find out a superseding hotfix.
I found out the procedure in this wiki page : http://social.technet.microsoft.com/wiki/contents/articles/windows-server-how-to-determine-update-supersedence-and-find-replacing-hotfixes.aspx
Comprehensive list of Hyper-V updates ( 2008, 2008R2 and 2008R2SP1 versions )
Quick note: the recommended for all Hyper-V configurations vs. recommended if you meet the scenario documented in the KB.
- Recommended updates for all configurations: Required column = Yes
- Recommended update if you meet the scenario: Required column = Yes, ONLY install if the issue applies to you.
Comprehensive list of Hyper-V updates : Applies To: Windows Server 2008
http://technet.microsoft.com/en-us/library/dd430893(WS.10).aspx
Comprehensive list of Hyper-VR2 updates : Applies To: Windows Server 2008R2
List of Hyper-V Packages Updated After the Release of Windows Server 2008 R2 Service Pack 1 (SP1) :
NOTE: For Windows Server 2008 R2 Hyper-V systems with SP1 installed, there are two recommended updates for all configurations:
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KB2263829 – Hyper-V networking issue that multiple customers hit; This fix is also published on WU.
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KB2525835 – Security Update
Running Windows 8 Preview as Hyper-V Windows 2008R2 Virtual Machine
If you are planning to run Windows 8 as a Virtual Machine under your current Hyper-V Windows 2008R2 server, here is an update that enables the Windows Developer Preview or Windows Server Developer Preview to be hosted in a Hyper-V virtual machine on Windows Server 2008 R2:
Hotfix: http://support.microsoft.com/default.aspx?scid=kb;EN-US;2526776
Without this hotfix you may experience one or more of the following issues:
- The Windows Developer Preview or Windows Server Developer Preview virtual machine stops responding.
- The Windows Server 2008 R2 host computer displays a stop error message and restarts automatically. This behavior brings down all other running virtual machines together with the host computer
Validate SCSI Device Vital Product Data (VPD) test fails after you install W2008 R2 SP1
If you found this error :” Failed to get SCSI page 83h VPD descriptors for cluster disk
<number> from <node name> status 2″ after applying SP1 to your W2008R2 cluster, Microsoft has released a fix for it.
The List Potential Cluster Disks storage validation test may display a warning message that resembles the following: “Disk with identifier <value> has a Persistent Reservation on it. The disk might be part of some other cluster. Removing the disk from validation set”
The hotfix resolves an issue in which the storage test incorrectly runs on disks that are online and not in the Available Storage group.
More details:
You configure a failover cluster that has three or more nodes that are running Windows Server 2008 R2 Service Pack 1 (SP1).
You have cluster disks that are configured in groups other than the Available Storage group or that are used for Cluster Shared Volumes (CSV).
These disks are online when you run the Validate SCSI Device Vital Product Data (VPD) test or the List Potential Cluster Disks storage validation test
More info : http://support.microsoft.com/kb/2531907
Recommended Books
System Center 2012 R2 Virtual Machine
System Center Virtual Machine Manager 2012 Cookbook
Cloudtidings.com 