Ernesto,
You are correct. The SQL Server Import and Export Wizard did not maintain the Primary Key and (Is Identitiy) setting for the ID column when I migrated the database.
FYI, after making the database changes I did have to exit the the document type settings in DAAT (going back to the catalog) and then went back in to the document type database settings to change and save the new connection string. It appears the database configuration is cached in DAAT- I kept getting the error when trying to save the new connection string after the database changes were made. I had the document type's database tab open as I made the database changes.