http://msmvps.com/blogs/bernard/archive/2005/05/16/47098.aspxLast week I came across this article - 21 Things IIS 6.0 Migration Tool Doesn't Do , a pretty comprehensive article illustrating things that you can't do with the migration tool. If I might add a few more points: - The migration tool doesn't take careenCommunityServer 2008.5 SP2 (Build: 40407.4157)