Update target button is disabled after schema comparison
Check the Error List if you have any error, I had a non recognized word in VS (but it did in SQL Server), I commented it out, re-compared and it was enabled successfully.
sql-server-2012-datatools
What about Sql Server Data Tools for VS2012 being incompatible with Sql Server 2012?
I Installed SQL Server 2012 Service pack 1 yesterday and then I started getting the problem you describe in Visual Studio 2012. Not only with database projects; I could not use the SQL Server Object Explorer, not open sql-scripts and lots of other weird database related errors. Always with the same message: “This version of … Read more