We are currently experiencing performance issues on the Remote Control tool for Teacher Dashboard. This is caused by a failure in an important component of Google App Engine, the foundation on which Teacher Dashboard resides. We have escalated the issue with the Google Engineering team, and our development team is working on an update to Remote Control that will reduce the incidence and impact of this problem going forward. We will provide another status update later today.
UPDATE 10:30am PST:
The performance of Remote Control should now be much more stable. We will continue to monitor its status throughout the day.
We have a released a fix for the issue yesterday which improves the performance of Remote Control and better handles failures in the service mentioned above.