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2008 R2 with hyper-v - half the network bandwidth

idata
Employee
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I have a new two Intel Server ( SC5600BRP, S5520HCT, E5645, 4xSAS RS2BL040 RAID 10, 2008 R2 x64 SP1).

When you install Hyper-V network performance drops by about 40 - 50%

The same network on the older server with the hyper-v role I have twice the bandwidth of the network. Ideas from google or special fixes microsoft does not help.
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Edward_Z_Intel
Employee
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idata
Employee
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Thanks but it did not help.

Two serwers with 24GB RAM

with Hyper-V

cpu E5645 - network bandwitch 55MB/s

cpu E5606 - network bandwitch 95MB/s

no Hyper-V - network bandwitch 120MB/s

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Edward_Z_Intel
Employee
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idata
Employee
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yes and all defaults

all system updates installed

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