Quote Originally Posted by Angelo

What are the limits (in your experience or found on the internet) of ADO?
I haven't found any but I wasn't working on the case you refer to. I would suggest you to do some stress tests and see how ADO will behave. Also, I've found a lot articles over the net about ADO and its performance. For example:

http://msdn2.microsoft.com/en-us/library/aa496013(SQL.80).aspx

Quite old but still valuable