Tag Archives: Processor

SBS 2011, Small Business Server 2011, Windows Server 2008 R2

Windows Server 2008 R2 and SBS 2011 RTM or SP1 – You may experience disk I/O performance issues with certain Intel Xeon Processors

You may experience disk I/O performance issues if your server contains an Intel Xeon Westmere-EX (10 Core) processor

This can occur because some of the I/O completion port objects are not cache-aligned. This behavior is what causes poor disk I/O performance.

You can resolve the issue by updating Ntoskrnl.exe and Ntkrnlpa.exe updated versions are available for download from http://support.microsoft.com/kb/2545635

BSOD, SBS 2011, Small Business Server 2011, Windows 7, Windows Server 2008 R2

Windows 7, SBS 2011 or Windows Server 2008 R2 RTM and SP1 – Stop error message 0x0000007E and/or Kernel Sockets Leak on a Multi Processor Machine

You may suffer from a BSOD Stop Error Message with STOP: 0x0000007E and/or experience a Kernel Sockets Leak if you are running an older version of Ancillary Function Driver for Winsock or afd.sys

To prevent these two issues you need to be running the latest version of Afd.sys which can be downloaded from http://support.microsoft.com/kb/2579274