>>The problem is with the CommandBuilder and not MMF. YOu will need to set the default values for each column that is not configured to accept nulls.
>
>I ran some tests with SQL Profiler and found that the generated SQL command contains "iRecVersion = NULL" when RetrieveAutoIncrementPK = true. When RetrieveAutoIncrementPK = false, iRecVersion is not in the SQL command at all.
>

Reverse the order of your test and make sure it is still working the way you expect. For example, if you had RetrieveAutoIncrementPK = false the first time then try RetrieveAutoIncrementPK = true for the first test.

The reason why I say this is that I noticed something unusual when I added records. The first time I saved it was only inserting fields that I had changed (allowing the insert to use SQL's defaults). The second time that I saved a new record it would send nulls for the columns that I didn't change (giving me errors on the columns that don't accept null values). I haven't yet gotten to the bottom of it but I had to set defaults for all the columns in my business object.