SCVMM update for April 2011

Every day Microsoft is releasing knowledge base articles and hotfixes to explain, fix and improve the possible bugs present in their products. This post gives you an overview of all released knowledge base articles and hotfixes for the month: APRIL 2011.

The knowledge base articles and hotfixes in this post are related to Microsoft Windows Server 2008, Hyper-V and System Center Virtual Machine Manager 2008. Updates can be for RTM or R2 versions, with or without SP1.

System Center Virtual Machine Manager 2008 RTM/R2/SP1

Microsoft Windows Server 2008 RTM/R2/SP1

KB2263829 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
KB2406705 HOTFIX: Some I/O requests to a storage device fail on a fault-tolerant system that is running Windows Server 2008 or Windows Server 2008 R2 when you perform a surprise removal of one path to the storage device
KB2460971 HOTFIX: MPIO failover fails on a computer that is running Windows Server 2008 R2
KB2494016 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
KB2494036 A hotfix is available to let you configure a cluster node that does not have quorum votes in Windows Server 2008 and in Windows Server 2008 R2
KB2505383 Bugcheck 0xF4 occurs on a Hyper-V guest VM running in Windows Server 2008 R2 while under stress when MPIO PathVerify is enabled
KB2512715 Validate Operating System Installation Option test may identify Windows Server 2008 R2 Server Core installation type incorrectly in Windows Server 2008 R2
KB2517329 HOTFIX: 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
KB2518021 HOTFIX: Hyper-V virtual network adapter does not bind to Quality of Service (QoS) in Windows Server 2008
KB2519946 HOTFIX: Timeout Detection and Recovery (TDR) randomly occurs in a virtual machine that uses the RemoteFX feature in Windows Server 2008 R2
KB2521348 HOTFIX: A virtual machine online backup fails in Windows Server 2008 R2 when THE SAN policy is set to “Offline All”
KB2523676 HOTFIX: GPU is not accessed leads to some VMs that use the RemoteFX feature to not start in Windows Server 2008 R2 SP1
KB2531907 HOTFIX: Validate SCSI Device Vital Product Data (VPD) test fails after you install Windows Server 2008 R2 SP1
KB2532917 Hyper-V Virtual Machines Exhibit Slow Startup and Shutdown
KB2532917 Hyper-V Virtual Machines Exhibit Slow Startup and Shutdown
KB2533362 Hyper-V settings hang after installing RemoteFX on Windows 2008 R2 Service pack 1
KB2535811 Supported and tested Microsoft iSCSI Software Target 3.3 limits
KB978897 HOTFIX: Virtual Disk Service (VDS) crashes on a computer that is running Windows Server 2008 or Windows Vista when a snapshot is deleted
  Microsoft iSCSI Software Target 3.3

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