New Hyper-V Performance Blog

Tony Voellm has left Microsoft is his previous role as Hyper-V Performance Lead. He had given great insights into Hyper-V performance monitoring and had spread really great and deep technical knowledge on Hyper-V performance objectives on “All topics fundamental” blog: http://blogs.msdn.com/b/tvoellm/ BUT we can (hopefully) still get his really useful articles on his new blog:…


Recommended Hotfixes for Hyper-V Failover Cluster based on Windows 2008 R2 SP1

Microsoft released KB2545685 with official “recommended” patches for Hyper-V Failover Clusters which are based on Windows 2008 R2 SP1: KB2545685 – Recommended hotfixes and updates for Windows Server 2008 R2 SP1 Failover Clusters http://support.microsoft.com/kb/2545685 How you can generally apply hotfixes or service packs in a failover cluster is also described in KB174799: How to install…


Running Failover Cluster with Windows 2008 R2 SP1–Microsoft Cluster Team recommends strongly to apply KB2531907!

Clustering Team has published an post on their blog where they strongly recommends to apply hotfix KB2531907 when you are running SP1 and failover clustering which fixes validate “issues” during the tests in the storage section. PLEASE NOTE: This validation “issue” is (only) reported when following conditions does apply: You configure a failover cluster that…


Every 20 min an Event 1069 and 1558?

DISCLAIMER: Event 1069 is an generic event therefore you should check and decide by your own if this blog post is an possible solution for your scenario and environment. This can be verified in the cluster logs when you identify "’Failed to create cluster directory on witness”! which is generated by Quorum Agent. Problem: In…

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Alle 20 Minuten ein Event ID 1069 und 1558?

HINWEIS: Da der Event 1069 sehr “generisch” ist und auf unterschiedliche Fehlerquellen zeigen kann, ist dies nur eine mögliche Beispiellösung und soll als Erfahrungsbericht dienen. Zum Verfizieren, ob dieser Artikel bei Eurem Problem helfen kann, bitte die Cluster Logs überprüfen nach “’Failed to create cluster directory on witness”! Problem: Bei einem Kunden hatten wir etwa…


Powershell–How to write your own custom functions in Powershell?

How to write your own functions within Powershell? As most of you knows, Powershell is a really powerful toy for administrators which are dealing with a lot of systems. Most of the time, you do same operations and need to write your own scripts. I usually use here the "function" method to build my own…

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SCVMM 2008 R2 SP1 is RTM

WOW – Finally SP1 for Windows 2008 R2 + SP1 for System Center Virtual Machine Manager (SCVMM) 2008 R2 goes hand in hand and we can start with deploying SP1 features in our production environments where SCVMM is use for managing your virtualization farm’s (Hyper-V/VMWare). Microsoft has now RTM’d the SP1 for SCVMM 2008 R2…


VMMUpdate – How to (automatically) check for available updates for SCVMM, Hyper-V and Failover Cluster?

Jonathan Jordan (Support Escalation Engineer) has released an really helpful tool to check the patch status for your SCVMM, Hyper-V and Failover Cluster environments.  The solution here is called VMMUpdate! VMMUpdate creates a report of required updates for technologies used by the SCVMM server and all Hosts. – Windows – Hyper-V – Failover Cluster As…

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Microsoft ISCSI Target Version 3.3 for public download available!

Microsoft has today announced the availability for their own ISCSI target software solution, which was previously built into the Windows Storage Server, is now available for public download and for free! This gives in addition to the hundreds of useful scenarios, us clustering enthusiast the great capability to run cluster environments within Virtual Machines. Also…


How to configure Windows NLB in (HA) Virtual Machines based on Hyper-V?

Here is some useful content when deploying Windows Network Load Balancing “NLB” within your Virtual Machines, especially when they are clustered and highly available. To be able to use Windows NLB (Network Load Balancing) within Virtual Machines – based on Hyper-V – you must enable “Enable spoofing of MAC addresses”. For getting more details around…

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