To resolve this problem, install the following update rollup:
971534�
Description of Update Rollup 1 for Exchange Server 2007 Service Pack 2
After you install this update, Exchange Server 2007
checks whether you have
Exchange Server Administrator permissions on your computer
before Exchange Server 2007 runs the installation program. Therefore, If you try to install an update rollup and the permissions
check fails, you see
a dialog box that has the following message:
The currently logged on user does not have sufficient
permissions to install this update. You need at least Exchange Server
Administrator permissions on the current machine to complete this
task.
Note The installation process ends when you click
OK in the dialog box.