Hi,
I was previously able to access the site: https://www.viessmann.de/software - it seems I now need some kind of login I don't have.
Q1: How can I get a login to download software?
Q2: How can I get the Vitotronic LNS plugin for LonMaker?
Q3: How can I get a DRF kit to properly interpret e.g. the UNVT UNVT_ProdState?
Thanks in advance