Yes, like in static c-runtime-library (crt) linkage (it's not about whether the boost libs themselves are dll's or lib's!)... i.e. You'll need to build your app /MT(d), not /MD(d), or (re-)compile boost linked to the dynamic crt. Your app will (in principle) need to have the same (type of) linkage to the crt as the libs you are linking to.

Happy new-year,

degski