For me, it took three or four reset before I could setup my VLANs. Reset does the trick, but it needs patience.

Hi, Hibixa - I tried resetting and new configuration a few times in the past, with not effect. I have re-installed the installed firmware (170530), powered the switch off and on, did a reset and -...

(Almost the) same problem here - German retail version of the switch. When I enter a VLAN definition, the answer from the switch is always "failed". I've tried everything what the support people told...