I’ve several production environmnets running the Opmsgr 2007 R2 Release Candidate version. Now that the Opsmgr 2007 R2 Rtm is available I wanted to test the upgrade from RC to RTM in my lab environment before upgrading my production environments. Start the SetupOM.exe   the setup will detect that you run on “older” version of opsmgr2007 The prerequisiter check failed because of the savision livemaps RC extensions:   Uninstall the savision rc extensions and your ready to go:   After...(read more)

Read the complete post at http://scug.be/blogs/scom/archive/2009/05/23/upgrade-opsmgr-2007-r2-rc-to-opsmgr-2007-r2-rtm.aspx