https://support.solarwindsmsp.com/kb/msp_rmm_(saas)/How-to-setup-Two-Factor-Authentication-in-Dashboard
https://dashboard.systemmonitor.us/helpcontents/index.html?2fa.htm
In MSP RMM, go to
Settings → User → User Accounts.
Select a user (highlighted), then:
User → Two Factor Authentication → Reset 2FA Credentials