I agree hostname is an atom, but os hostname may have unicode right. Ex: 'host_with_ë_or_â' erl -name 'node@REDACTEDë_or_â' or erl -sname node These will give invalid node name error. On Fri, Feb 10, 2012 at 2:20 PM, Michael Uvarov <freeakk@REDACTED> wrote: > > Hostname is an atom. -- Thanks & Regards, Vinod H. G.