CODEx applications warning when installing Exchange 2007 SP3

I came across this warning during the prerequisite check for an exchange 2007 SP3 installation on a Windows Server 2008R2 Based domain.










No Big deal!
but to use the Collaboration Data Objects for Exchange 2000 Server (CDOEX) feature correctly on Windows Server 2008 R2, a registry key permission must be changed. An administrator has to change the value of the registry key during the Exchange Server 2007 SP3 installation process. A Windows update is released to fix this problem.

A complete description of the update involved can be obtained from http://support.microsoft.com/kb/982720  and

What are CDOEx Applications?

Colloboration Data Object Model for Exchange provides the fundamental Component Object Model (COM) classes and interfaces that are used to manage the Exchange store.

CDOEX can only be run on a computer on which the Exchange Administrative Tools have been installed. The computer running the CDOEXM application and the computer running Exchange must be in the same Active Directory organization.