1 pointThat's possible. We have also users with licenses for 5-20 machines who don't need to have ESET managed via ESMC/ECA and prefer using consumer products for whatever reason.
1 pointIt’s an issue simillar to the one with agent in the previous release. You will have to remove specific registry entries to remove references to the old server. We will post guidance after we verify the procedure. However, only the recent version is installed.