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Slow Network Performance on SBS 2011?

January 17, 2011 by Wayne Small 13 Comments

Back in the SBS 2008 days we had many people that had slow network performance problems and it was finally narrowed down to a Microsoft TDI driver.  The fix was easy – install either it or Windows Server 2008 SP2 onto the server and reboot and the problem was gone.  The problem mainly manifested itself if you have AV from Symantec, Trend or Kaspersky or Microsoft’s own SCOM installed on the server, but was in fact due to the TDI.SYS issue and not products from those vendors.  Naturally those vendors named got their fair of flack from all round as being the cause of the problem when in fact it was Microsoft that was the one with the issue.

Well guess what…With the release of SBS 2011, we get to relive that feeling of deja vu all over again… yup – you guessed it – this fix is NOT part of SBS 2011… FAIL for Microsoft on that part for sure.  I would LOVE to know the logic behind Microsoft NOT including this fix in SBS 2011 given it was widely known to them and the community… it is unacceptable that we have to patch a brand new box to fix a problem that has been around for 2 years.  To fix it you need to download and install THIS hotfix from Microsoft.

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Filed Under: Blog Tagged With: Microsoft, SBS 2011, TrendMicro

About The Author

Wayne has been working with Microsoft Server products in the SMB market for over 20 years. He has a passion for technology and been a Microsoft MVP for over 15 years. Read More…

Comments

  1. Radek says

    June 20, 2011 at 10:19 am

    Does anyone know if this fix is included in Windows Server 2008 R2 SP1?

    Thanks

    Radek

    Reply
    • Wayne Small says

      June 20, 2011 at 3:05 pm

      No – it has not.

      Reply
  2. sce says

    July 24, 2011 at 2:49 am

    hey people, the update doesn’t work on SBS 2011 Essentials. Is there any other solution orfix I can use?

    Reply
  3. Wayne Small says

    July 24, 2011 at 10:30 am

    The update should not be needed on SBS 2011 Essentials as it’s already baked into the product.

    Reply
  4. Dave says

    August 9, 2011 at 12:35 am

    I have SBS2011 and Symantec Endpoint Protection installed.
    I had awful network performance and then I installed the hotfix.
    Shortly thereafter, I had updated Endpoint Protection, do I have to run the hotfix again? I ask because once again the network performance is absolutely terrible!

    Thanks! Dave

    Reply
  5. Dave P says

    September 30, 2011 at 6:20 pm

    The hotfix link on Microsoft seems to have gone, does this mean its been included in an update ??

    Reply
  6. Rod A. says

    January 13, 2013 at 5:12 pm

    Hi Wayne, just visiting your link again. You refer to hotfix for SBS 2011 available at http://support.microsoft.com/kb/2493361
    You post on 20th June 2011 states it is not included in Windows 2008R2 SP1.
    However in the MS KB Resolution: To resolve this issue, install Windows Server 2008 R2 Service Pack 1 (SP1).
    Can you verify?
    Cheers
    Rod

    Reply
    • Wayne Small says

      January 13, 2013 at 9:55 pm

      Hi Rod,

      Not sure – looks like they’ve changed the KB now given it was revised on April 30th 2012 – so I’ll check it out and come back to you.

      Wayne

      Reply
  7. Jon says

    September 17, 2013 at 4:02 am

    http://blog.mpecsinc.ca/2012/01/slow-network-speeds-with-sbs-2008-and.html

    Reply
  8. CJTECH says

    March 7, 2015 at 1:59 pm

    Noticed that the comments have been taken over by spammers, But Wayne I am still interested in the changes and the results. CJ Tech Support

    Reply
  9. CJTECH says

    March 7, 2015 at 2:00 pm

    Noticed that the comments have been taken over by spammers, But Wayne I am still interested in the changes and the results. CJ Tech Support

    Reply
    • Wayne Small says

      March 9, 2015 at 11:47 pm

      Thanks Warren – I’m working hard to clean up the SPAM from this – I’ve got a few things in place and am reviewing over 30,000 old comments to determine what is and what is not spam 🙁

      Reply

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