Intel Communities: Message List - Windows Server 2008 R2 slow network performance.

Re: Windows Server 2008 R2 slow network performance.

webadmin@intel.com — Fri, 11 Jun 2010 18:53:22 GMT

I'll open a new thread as I have news about this issue

webadmin@intel.com — Tue, 08 Jun 2010 03:06:46 GMT

Check the following links:

Not sure if it's related to your issue but you can give it a try.

webadmin@intel.com — Fri, 04 Jun 2010 19:37:32 GMT

Tried all the latest 15.1 and 15.2 drivers plus latest S5520UR package of course.

It might be Windows Datacenter edition vs. Ent. edition, but something in the Hyper Role makes the network card 80% slower.

Any ideas are welcome..

webadmin@intel.com — Fri, 04 Jun 2010 04:53:34 GMT

I would also look at updating to the latest network driver, I think it is now at 15.1.1, http://downloadcenter.intel.com/Detail_Desc.aspx?agr=Y&DwnldID=18388&lang=eng , also the firmware package for the S5520UR should also be updated to the latest package, which is now at 49.1 , http://downloadcenter.intel.com/Detail_Desc.aspx?agr=Y&DwnldID=19011&lang=eng. See if it helps.

webadmin@intel.com — Tue, 01 Jun 2010 18:14:34 GMT

The problem is the network performance, not the whole CPU one. It seems all okay w/o the HyperV R2 role. Still checking.

webadmin@intel.com — Tue, 01 Jun 2010 02:57:25 GMT

webadmin@intel.com — Tue, 01 Jun 2010 04:48:22 GMT

For trobuleshooting

webadmin@intel.com — Mon, 31 May 2010 05:11:07 GMT

Hello,

I have a several SR2600URLX systems with Win2008R2 and network perf. is okay. A new SR2600URLXR with Xeon X5670 CPUs behaves differently.

Network speeds (onboard giga ports) is very slow. Any quick idea ?

Thank you!