Exchange 2007 SP1 RU4

Download information for Update Rollup 4 for Exchange 2007 SP1

The update is live at:

https://www.microsoft.com/downloads/details.aspx?FamilyId=8B492ED2-EA92-412F-A852-3AA1C58D9499&displaylang=en

https://support.microsoft.com/?kbid=952580