Ipmidrv.sys – Pre Service Pack 2 Revision History for Windows Server 2008 R2 SP1, Windows 7 SP1 and Windows Small Business Server 2011 SP1 (SBS 2011)

20-Feb-2014 – 6.1.7601.22607 – Ipmidrv.sys – x86/x64 – http://support.microsoft.com/kb/2931129 – “0x0000007E” Stop error on IPMIDrv!KCSRequestResponseEngine in Windows Server

20-Feb-2014 – 6.1.7601.18401 – Ipmidrv.sys – x86/x64 – http://support.microsoft.com/kb/2931129 – “0x0000007E” Stop error on IPMIDrv!KCSRequestResponseEngine in Windows Server

10-Feb-2012 – 6.1.7601.21920 – Ipmidrv.sys – x86/x64 – http://support.microsoft.com/kb/2674913 – IPMI subsystem cannot obtain power information when the BMC interrupt is enabled on a computer that is running Windows Vista, Windows Server 2008, Windows 7, or Windows Server 2008 R2

27-Oct-2011 – 6.1.7601.21848 – Ipmidrv.sys – x86/x64 – http://support.microsoft.com/kb/2632472 – IPMI driver incorrectly returns time-out errors during KCS communication in Windows Server 2008 R2

24-Feb-2011 – 6.1.7601.21667 – Ipmidrv.sys – x86/x64 – http://support.microsoft.com/kb/2494816 – An IPMI-supported computer stops responding in the shutdown process in Windows Server 2008 R2