This video discusses how existing contacts in FastBound can be linked to existing MicroBiz customer records.

This will help users that have been using FastBound and MicroBiz on a disconnected basis.

You should not need to do a mass link of FastBound contacts to MicroBiz customers when starting out.  You will be able to link contacts in FastBound to MicroBiz customers quickly and easily duringteh standard disposition process.