Error Log-in - 503

I can’t log in to the tool by business email. Anyone can help me. Thank you

Are you using the company network? Does your network use a proxy?

Hi admin…yes…i am. Pls help me

Is your past “on” or “off”

It’s “on”. Can’t log in or even turn it off.
MicrosoftTeams-image (38)

Pls, turn on the tool, click to Advance settings and fill in the proxy information
Fill in the user name/password information as business account.

I got it…many thanks