How to Update ConfigMgr 2007 SP1 to ConfigMgr 2007 R2
To update your ConfigMgr 2007 R2 it must be installed on an existing ConfigMgr 2007 SP1.
To determine which version of ConfigMgr 2007 is installed, from the:
ConfigMgr Console > Site Database > Site Management > right click on your site > properties
You will see the version number and R2 installed or not
The RTM (Release to Manufacturing) version. SP1 is 4.00.6221.1000

Run the splash.hta from DVD once it starts click on configuration Manager 2007 R2

In the welcome message wizard you will see the new features will be installed during setup click Next

Accept licenses agreement and click Next

Registration information click Next
To start installation click Next
Installation in progress
Then click Finish to complete wizard installation
Now go back to ConfigMgr Console > Site Database > Site Management > right click on your site > properties
You will see the R2 installed changed to Yes

The update to ConfigMgr R2 completed<o:p></o:p>
Regards’<o:p></o:p>
Mazen <o:p></o:p>