It supersedes SP1 Cumulative Update 2 (CU2) and contains a superset of the fixes that are provided in SP1 CU2. It can be applied to SP1 CU2 or directly to a Service Manager 2010 SP1 installation. This update contains a set of bug fixes to the Service Manager 2010 SP1 release. It should be applied to all Service Manager 2010 SP1 server installations and to any Authoring Tool installations. There are three executable files available:
Download it here:
http://www.microsoft.com/download/en/details.aspx?id=28159
Oh, didn't expect to see another patch :)
Just a little note: The link to the KB article points to CU2 and the correct KB article doesn't seem to exist (KB2588492).
Is there no need to apply this on installed sp1 cu2 Consoles?
www.nn4consultants.com/.../upgrading-scsm-2010-sp1-to-cu3