OIT System Status

This page provides updates about interruptions and/or outages related to enterprise level hardware, software, and systems at Central Michigan University.

If the table below is blank, all systems are functioning as they should. If you are experiencing technology-related challenges with something that does not appear, please contact the OIT Help Desk.

Status updates will be made as new information is available. If a system will be down for an extended period of time (days or weeks), the table will indicate as much. Once resolved, related information will remain on the page for three business days.

INITIAL TIME REPORTED	INTERRUPTION / OUTAGE	DETAILS / IMPACT	STATUS
Friday, September 4 @ 8:30 a.m.	Some Microsoft Bookings were inaccessible	Some bookings pages were inaccessible, presenting users with an error message: "Some error occurred." The administration page for the Bookings site worked as expected with only the Booking page and Service Bookings pages being impacted. Not all Bookings pages were experiencing this issue.	Tuesday, September 8 @ 7:55 a.m. - We have yet to receive an all clear from Microsoft but it would appear that the bookings pages that were previously experiencing issues are working now. If you are still experiencing issues with your specific bookings page, please contact the OIT Help Desk.
Monday, August 31, 2026 @ 12:20 p.m.	Microsoft 365 was not performing as expected.	What started as a users reporting an inability to access email via mail.cmich.edu grew into a much broader issue that included challenges with software and systems across the Microsoft 365 environment. OIT confirmed that the challenges were not CMU-specific, they were happening across the Microsoft 365 environment worldwide. The impact varied from user to user and organization to organization.	Friday, September 4, 2026 @ 8:25 a.m.- Microsoft has resolved the incident that was causing challenges for CMU and many other users. As such, we are resolving our local Major Incident. A small number of CMU users are still experiencing issues with Microsoft Bookings pages. OIT has opened a separate case with Microsoft to address the Bookings issues. Those tickets have been moved to a separate major incident here at CMU. If you continue to experience challenges with Microsoft 365 tools, contact the OIT Help Desk.

INITIAL TIME REPORTED

INTERRUPTION / OUTAGE

DETAILS / IMPACT

WORKAROUND

STATUS

Friday, September 4 @ 8:30 a.m.

Some Microsoft Bookings were inaccessible

Some bookings pages were inaccessible, presenting users with an error message:
"Some error occurred."

The administration page for the Bookings site worked as expected with only the Booking page and Service Bookings pages being impacted. Not all Bookings pages were experiencing this issue.

Green checkmark within a green circle to indicate that the system, software, or hardware are working as they should.

Tuesday, September 8 @ 7:55 a.m. - We have yet to receive an all clear from Microsoft but it would appear that the bookings pages that were previously experiencing issues are working now.

If you are still experiencing issues with your specific bookings page, please contact the OIT Help Desk.

Monday, August 31, 2026 @ 12:20 p.m.

Microsoft 365 was not performing as expected.

What started as a users reporting an inability to access email via mail.cmich.edu grew into a much broader issue that included challenges with software and systems across the Microsoft 365 environment.

OIT confirmed that the challenges were not CMU-specific, they were happening across the Microsoft 365 environment worldwide.

The impact varied from user to user and organization to organization.

Green checkmark within a green circle to indicate that the system, software, or hardware are working as they should.

Friday, September 4, 2026 @ 8:25 a.m.-

Microsoft has resolved the incident that was causing challenges for CMU and many other users. As such, we are resolving our local Major Incident.

A small number of CMU users are still experiencing issues with Microsoft Bookings pages. OIT has opened a separate case with Microsoft to address the Bookings issues. Those tickets have been moved to a separate major incident here at CMU.

If you continue to experience challenges with Microsoft 365 tools, contact the OIT Help Desk.