Open a new B11 this morning, plugged in and getting an error at login.
What happens if you remove the “#preferences.changepass” from the URL bar and try to access the device directly again?
Every now and then when I am accessing Mimosa equipment too soon after power up I get a weird error, my guess is that something is still coming online and I beat it to the punch.
Forced to #updatefirmware just goes right back to the same error, have waited and rebooted several times.
Switched to incognito in chrome and now acting normal.