"Jason" < XXXX@XXXXX.COM > said
To upgrade an application
Open Group Policy Software Installation.
In the details pane, right-click the new Windows Installer upgrade package
(that is, not the package to be upgraded).
Click Properties, and then click the Upgrades tab.
Click Add to create or add to the list of packages that you want to upgrade
with the new upgrade package.
In the Add Upgrade Package dialog box, under Choose a package from, do one
of the following:
Click Current Group Policy object (GPO).
Click A specific GPO, click Browse, and then click the Group Policy object
that you want to upgrade.
Review the list of packages under Package to upgrade, which lists all of
the other packages that are assigned or published within the selected Group
Click the package that you want to upgrade, and then do one of the
To replace an application with a completely different application (perhaps
an application from a different vendor), click Uninstall the existing
package, then install the upgrade package.
To install a newer version of the same product while retaining the user's
application preferences, document type associations, and so on, click
Package can upgrade over the existing package.
(Optional) To make the upgrade mandatory, on the Upgrades tab, select the
Required upgrade for existing packages check box.
To complete this procedure, you must be logged on as a member of the Domain
Administrators security group, the Enterprise Administrators security
group, or the Group Policy Creator Owners security group.
Before you can perform this procedure, you must first assign or publish the
Depending on the Group Policy object, the list of packages under Package to
upgrade might have zero or more entries.
If this is an upgrade under Computer Configuration in the Group Policy
console tree, the Required upgrade for existing packages check box is
selected and unavailable because packages can only be assigned to
computers, not published.