Resolved
This incident has been resolved.
Monitoring
The issue appears to be related to one of our AD authentication server clusters. The issue has been addressed. A few school organizations have already reported that the issue no longer occurs. We'll continue to monitor the system and identify the root cause. Thanks for your patience.
Identified
A login issue has been identified affecting a subset of school organizations with Active Directory integration into LaunchPad. Users might receive an error message when attempting to log in using their Active Directory credentials. Refreshing the login page may result in a successful login. We are investigating and will post updates as soon as possible.