http://sqlblog.com/blogs/michael_zilberstein/archive/2008/09/16/8920.aspxThis is probably known to all but I've just found out - MERGE command syntax had been modified since CTP6. In the beginning of 2008 I had built a system on CTP6 and this week, while preparing for production deployment, found out that procedures are failingenCommunityServer 2.1 SP2 (Build: 61129.1)