Exchange 2007 SP3 rollup 11

The Exchange 2007 SP3 RU11 update contains two fixes in addition to the changes for MS13-061. For more details, including a list of fixes included in this update, see KB 2873746 and the MS13-061 security bulletin. We would like to specifically call out the following fixes which are included in this release:

• 2688667 W3wp.exe consumes excessive CPU resources on Exchange Client Access servers when users open recurring calendar items in mailboxes by using OWA or EWS
• 2852663 The last public folder database on Exchange 2007 cannot be removed after migrating to Exchange 2013