Outlook BCM 2007 migration to BCM 2010 Fails

We've been running outlook 2007 with BCM successfully for several years but recently hit the 4Gb SQL express database limit. We've purchased Office 2010 and installed BCM 2010 and then installed the 'BCM 2010 database tool' to migrate the database.

Every time we run the migration wizard in the database tool it successfully creates the backup of the database during the first stage but then fails the actual migration simply stating "migration failed". (The installation and migration have been run on the administrators account - which created the original 2007 BCM and shared it)

Have also tried backing up the 2007 BCM to restoring it to the 2010 BCM. There is plenty of hard drive space available to complete the operation.
RossAsked:
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RossConnect With a Mentor Author Commented:
Update - I've solved this one

There's a three part solution:
1. Only SQL2008R2 Express has the newly increased 10Gb database limit (not SQL 2008 Exp) -  BCM2010 uses SQL 2008 Exp, BCM2013 uses SQL 2008r2 Exp

After finally migrating the database (I used a full version of SQL 2005) none of the clients can 'see' the shared database.

2. The clients are hard coded to ONLY attach a database instance called MSSMLBIZ - no other instance name can be 'seen' - even though the BCM database wizard is happy to share and assign permissions (another UDF)

So I uninstalled SQL, reinstalled with the correct default instance name and re-migrated the BCM 2007 database for about the 20th time

3. Once you finally connect your client you'll discover that they are read only!

The migration cunningly assigns one explicit deny permission in one of the tables... Find it and remove it and you're away laughing

PS if you are running exchange accounts in outlook: BCM 2010 will fail if you have "added" mailboxes - it will however run ok if you remove these and configure multiple exchange accounts on the same profile
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