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NETSH to disable advanced features

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Hi

As part of ongoing performance troubleshooting we've been advised to disable some of the advanced TCP settings on our Exchange 2010 server

netsh interface tcp set global rss=disabled netsh interface tcp set global chimney=disabled netsh interface tcp set global autotuninglevel=disabled

Do these settings take place immediately or do the servers require to be rebooted ? This will obviously impact when we can make these changes to minimize service interruption.

Thanks
Thursday, March 22, 2012 9:35 AM

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Hi,

No rebooting is not required.

this acticle is for Chimney, and the same think for rss and autotuninglevel http://blogs.technet.com/b/networking/archive/2008/11/14/the-effect-of-tcp-chimney-offload-on-viewing-network-traffic.aspx

Regards,
Best Regards Don't forget to mark it as answer if it helps
- Proposed as answer by Simon_WuMicrosoft contingent staff Monday, March 26, 2012 3:08 AM
- Marked as answer by Simon_WuMicrosoft contingent staff Friday, March 30, 2012 9:47 AM
Thursday, March 22, 2012 10:28 AM

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Hi,

No rebooting is not required.

this acticle is for Chimney, and the same think for rss and autotuninglevel http://blogs.technet.com/b/networking/archive/2008/11/14/the-effect-of-tcp-chimney-offload-on-viewing-network-traffic.aspx

Regards,
Best Regards Don't forget to mark it as answer if it helps
- Proposed as answer by Simon_WuMicrosoft contingent staff Monday, March 26, 2012 3:08 AM
- Marked as answer by Simon_WuMicrosoft contingent staff Friday, March 30, 2012 9:47 AM
Thursday, March 22, 2012 10:28 AM
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Hi

Thanks for the response.

As you say, this mentions netsh for TCP Chimney and no reboot required. But it then mentions changing the others via the registry and then rebooting the computer. So I'm still not sure of the definitive answer.

Thanks

Thursday, March 22, 2012 10:35 AM
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Hi,

basing on this acticle, rebooting is required only with manual configuration but it's not required with netsh.

Regards,
Best Regards Don't forget to mark it as answer if it helps

Thursday, March 22, 2012 10:43 AM