The process for upgrading a clustered RMS from OpsMgr SP1 to (the release candidate of) R2 is a simple and straightforward procedure, so long as you have thoroughly read through the upgrade documentation provided by Microsoft (OpsMgr2007_Upgrade.doc). However, there are a few areas in the Release Candidate (RC) documentation which are a little unclear. Normal 0 false false false

Read the complete post at http://www.1e.com/1EBlogs/post/2009/04/23/Upgrading.aspx