I have no knowledge of that, but am curious to ask: is the db split? I ask because I would think it rare that the fe (as an mde or accde) should need compact/repair if it has no (or minimal) tables. If it's the be you're referring to, then I don't see a reason to make it an mde or accde. It's not something I have ever considered doing.
If that makes any sense, you might be able to prevent the need for cr rather than fixing a db afterwards. It's often said that a backup copy should always be made just before performing cr.
The more we hear silence, the more we begin to think about our value in this universe.
Paraphrase of Professor Brian Cox.