Thanks for the great suggestions.
I installed the DBA update and that took care of the lot control problem.
Unfortunately that didn't fix the quantity problem for backorders. Luckily selecting "no" to proportions gives us a great way to carry on but our kits have alot of items and its time consuming.
Ive done some more testing of the problem and it happens consistently in our main company data (with different kits) but when I do a kit sales order in the DBA sample company, it works without a hitch. Do you think my data might be corrupt? If so, any suggestions on how I should proceed?
As always, thanks for any advice you can offer.
Carol