KB950050
Description: Hyper-V RTM
Date: June 26, 2008
Mandatory?: Yes
File Name: Windows6.0-KB950050-x64.msu
On Windows Update?: Yes
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KB956710
Description: Hyper-V update : 24 proc and 192 VM possible
Date: Sept 23, 2008
Mandatory?: Yes, if host has > 16 Logical processors
File Name: Windows6.0-KB956710-v2-x64.msu
On Windows Update?: No
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KB956589
Description: Resolve potential issues when you manage Hyper-V with SCVMM
Date: Sept 23, 2008
Mandatory?: Yes if SCVMM 2008 is used to manage environment
File Name: Windows6.0-KB956589-x64.msu
On Windows Update?: No
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KB956774
Description: Resolve the scenario where a BITS client cannot handle files that have paths that contain the volume GUID in Windows Server 2008.
Date: Sept 23, 2008
Mandatory?: Yes if GUIDs are used to access instead of drive letter or mount point
File Name: Windows6.0-KB956774-x64.msu
On Windows Update?: No
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KB956697
Description: Resolve an issue in which the Hyper-V Volume Shadow Copy Service (VSS) does not back up virtual machines properly
Date: Sept 8, 2008
Mandatory?: Yes, any time VSS is utilized for backups
File Name: Windows6.0-KB956697-x64.msu
On Windows Update?: Yes
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KB951308
Description: Increased functionality and virtual machine control in the Windows Server 2008 Failover Cluster Management console for the Hyper-V role
Date: Sept 11, 2008
Mandatory?: Yes, for Failover Clustering
File Name: Windows6.0-KB951308-v2-x64.msu
On Windows Update?: No
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KB953828
Description: The NLB host does not converge as expected on Windows Server 2008 Hyper-V virtual machines
Date: June 25, 2008
Mandatory?: Yes if NLB is in use
File Name: Windows6.0-KB953828-x64.msu
On Windows Update?: No
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KB953585
Description: Error message when you try to start a Hyper-V virtual machine on a Windows Server 2008 computer that uses the NUMA architecture.
Date; Sept 4, 2008
Mandatory?: Yes if NUMA hosts are in use
File Name: Windows6.0-KB953585-x64.msu
On Windows Update?: No
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KB950182
Description: A computer that is running an x86-based version of Windows Server 2008 or an x86-based version of Windows Vista may use fewer processors than expected if the number of cores on a socket is not a power of 2
Date: April 11, 2008
Mandatory?: Yes, if you wish to start a Windows Server 2008 x86-based virtual machine on a computer that uses a 6-core processor.
File Name: Windows6.0-KB950182-x86.msu
On Windows Update?: No
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KB957967

Description: Stop error message on a Windows Server 2008-based computer that has the Hyper-V role installed: "STOP 0x0000001A"
Date: October 8, 2008
Mandatory?: No
File Name: Varies
On Windows Update?: No
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KB958065

Description: You cannot configure a Hyper-V virtual machine by using Windows Server 2008 Failover Clustering when the virtual machine uses a storage device that is managed by a third-party clustered file system or a third-party replication solution
Date: November 3, 2008
Mandatory?: Yes, if you use 3d-party clustered file systems to store few VMs per LUN, running on different hosts.
File Name: Varies
On Windows Update?: No
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KB957967

Description: Stop error message on a Windows Server 2008-based computer that has the Hyper-V role installed: "STOP 0x0000001A"
Date: October 8, 2008
Mandatory?: No, apply this hotfix only to systems that are experiencing this specific problem.

File Name: Vid.sys
On Windows Update?: No