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Hyper-V Fixes for Network Connectivity related issues

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Important Hyper-V Network issues related (Recommended Updates):
KB974909 – The network connection of a running Hyper-V virtual machine is lost under heavy outgoing network traffic on a Windows Server 2008 R2-based computer
KB981836 – Network connectivity for a Windows Server 2003-based Hyper-V virtual machine is lost temporarily in Windows Server 2008 R2.
KB978309 – IPv6 transition technologies, such as ISATAP, 6to4 and Teredo do not work on a computer that is running Windows Server 2008 R2 Server core.

When this issue occurs, one or both of the following events are logged in the System log on the VM:
Event Type: Warning
Event Source: netvsc
Event Category: None
Event ID: 5
Date: <date>
Time: <time>
User: N/A
Computer: <computer name>
Description: The miniport ‘<network adapter name>’ hung.

Event Type: Warning
Event Source: netvsc
Event Category: None
Event ID: 4
Date: <date>
Time: <time>
User: N/A
Computer: <computer name>
Description: The miniport ‘<network adapter name>’ reset.

Notes:
KB979409 is to be installed in the Hyper-V servers.
KB981836 is to be installed on the Hyper-V server which will create a new set of Integration Components and then the new Integration Components will need to be updated in the Windows 2003 VMs.

KB978309 – Check Related Issues in the following posts:
IP Helper Service – IpHlpSvc Consume more than expected %CPU
Unable to add additional node to Hyper-V Cluster
Windows 2008 R2 problems with HP Drivers
Windows 2008 R2 problems with HP Drivers Again…

Additional Updates At:
Hyper-V Update List for Windows Server 2008 R2
Hyper-V Update List for Windows Server 2008

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Written by IT Core

May 11, 2010 at 4:07 PM

2 Responses

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  1. […] Update List for Windows Server 2008 R2 Hyper-V Update List for Windows Server 2008 Hyper-V Fixes for Network Connectivity related […]

  2. […] For additional information about Network related issues and Hyper-V check my previous post at: Hyper-V Fixes for Network Connectivity related issues […]


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