Problem with SBS 2008 from SBS 2003 Migration

This is a problem/solution.  Worked with Microsoft to get this answer.
Error:  Permission denied:  
The user account does not have the permissions that it needs to join to the domain.  The user account must me a member of the Domain Admins, Enterprise Admins, and Schema Admins groups.
Resolution:
When using the anser file for the SBS 2008 migration, the account that you create to authorize thie migration must be a member of the Domain Admins, Enterprise Admins, and Schema Admins groups.
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What it doesn't tell you is that this account CANNOT specifiy either of these groups as PRIMARY GrOUP.  If it does, the SBS2008 migration wizard mis-reads the group memberships of the account.
Example:
create a user called migrate, which is a member of those 3 groups.
Domain Admins is the Primary Group.
The SBS Migration wizard will FAIL because it reports that the account migrate is NOT a member of the Domain Admins group.
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FIX:
Add the group Domain Users as Primary Group.  The wizard will then authenticate and move on to the next step.
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Good Luck - On to my next problem........