Poor Network Performance with Microsoft Windows Server 2008 / 2008 R2 Virtual Machines


If you are experiencing poor network performance with Microsoft Windows Server 2008 / 2008 R2 virtual machines running on VMware ESX(i) , even when using the latest VMXNET3 network adapter, implement the following KB article from VMware:

Poor network performance on Windows 2008 Server virtual machine


Poor network performance with the VMXNET3 driver and Windows Server 2008 R2



For more information regarding the configuration changes, see the following Microsoft support articles:

Information about the TCP Chimney Offload, Receive Side Scaling, and Network Direct Memory Access features in Windows Server 2008


You experience intermittent communication failure between computers that are running Windows XP or Windows Server 2003


By Rotem Agmon Posted in Info

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