• Solution proposed by previous post (Jim Murphy) doesn't work. Just tried it to downgrade SQL 2008 Enterprise to Developer.

    Current system:

    Microsoft SQL Server 2008 (SP3) - 10.0.5500.0 (X64) Sep 21 2011 22:45:45 Copyright (c) 1988-2008 Microsoft Corporation Enterprise Edition (64-bit) on Windows NT 6.1 <X64> (Build 7600: ) (VM)

    10.0.5500.0,SP3,Enterprise Edition (64-bit)

    It may work with additional steps, but it doesn't as mentioned in the post.

    Mark