03-09-2019 07:25 AM - edited 03-09-2019 07:33 AM
Welcome to the UBNT Community!
Problem could be that you enter not valid email, or not working Mail Server in UNMS.
To see the list of existing users in UNMS, run the the following command on the UNMS host machine:
sudo docker exec -ti unms ./setpwd.sh
More you can find here:
03-11-2019 05:36 AM