Iisw3adm.dll – Pre Service Pack 2 Revision History for Windows 7 SP1, Windows Server 2008 R2 SP1 and Windows Small Business Server 2011 (SBS 2011)
03-May-2012 – 7.5.7600.17015 – Iisw3adm.dll – x86/x64 – http://support.microsoft.com/kb/2708075 – FIX: IIS 7.5 configurations are not updated when you use the ServerManager class to commit configuration changes
28-Feb-2012 – 7.5.7600.21158 – Iisw3adm.dll – x86/x64 – http://support.microsoft.com/kb/2682616 – FIX: Local profile folder is not created when you configure an application pool identity to use an account that uses the “domain\user” format in IIS 7.0 or in IIS 7.5