Single sign-on will be unavailable for all web applications that utilize Microsoft Office 365 for authentication while an upgrade is installed on Saturday, October 23. The upgrade will begin at midnight and is expected to be completed by 1:00 a.m. on Sunday, October 24. Existing connections will not be dropped, and end users will be able to login and create new connections. People logging in during the upgrade window may be prompted for authentication with every application.
