Monitoring - The gateway issue with Duo authentication has been resolved and we are monitoring. The phone authentication issue is still being investigated by Duo. https://status.duo.com/
Feb 23, 2026 - 13:06 EST
Investigating - Authentication issues with Duo are currently affecting access to Microsoft services such as Outlook. Users may be unable to sign in. Status updates: https://status.duo.com/
Feb 23, 2026 - 11:16 EST
Monitoring - Microsoft 365 MFA services are operating, and authentication attempts should now be successful.
Feb 23, 2026 - 12:43 EST
Investigating - Some users may experience problems accessing Microsoft 365 services that require multi-factor authentication. We are investigating and will provide updates as more information becomes available. https://x.com/MSFT365Status
Feb 23, 2026 - 11:18 EST

About This Site

Atlas Status reports current status and upcoming maintenance for IT systems at the Massachusetts Institute of Technology. Subscribe to receive notifications.

General Operational
Email Operational
Network Operational
Telephones Operational
Academic Services Operational
Administrative Services Operational
Library Services Operational
Slack Operational
Slack Login/SSO Operational
Slack Connections Operational
Slack Messaging Operational
Slack Notifications Operational
Slack Posts/Files Operational
Slack Calls Operational
Slack Search Operational
Slack Apps/Integrations Operational
Slack Apps/Integrations/APIs Operational
Slack Workspace/Org Administration Operational
Zoom Operational
Zoom Zoom Meetings Operational
Zoom Zoom Video Webinars Operational
Zoom Meeting Telephony Services Operational
Zoom Zoom Phone Operational
Zoom Zoom Chat Operational
Zoom Web Portal Operational
Zoom Web Client Operational
Zoom Cloud Recording Operational
Zoom Live Streaming Operational
Canvas Operational
Canvas Operational
— Catalog Operational
— Chat Operational
— Collaboration Operational
— Commons Operational
— Conferences Operational
— Document previewing Operational
— Imports and exports Operational
— Media tools Operational
— Notifications Operational
— Support: Phones/Chat Operational
— Support: Webform/email Operational
— ePortfolios Operational
— Gauge Operational
Slate Operational
Operational
Degraded Performance
Partial Outage
Major Outage
Maintenance

Scheduled Maintenance

Telephone system maintenance Feb 23, 2026 18:00-20:00 EST

IS&T will be performing maintenance on the campus telephone system. No interruption of service is expected.

If you experience any telephone related issues after the posted maintenance period, please contact the Service Desk at 617-253-1101 or servicedesk@mit.edu

Posted on Feb 20, 2026 - 14:32 EST

Scheduled Network Maintenance - Building W85 Feb 24, 2026 06:30-09:00 EST

Due to scheduled network maintenance, MITnet BMS network — will be intermittently unavailable in Building W85 on Tuesday 2/24/26, between 6:30am and 9:00am

Brief isolated outages will occur throughout the window as upgrades are performed on each switch.

If you experience any network issues after the maintenance period, please contact the Service Desk at 617-253-1101 or servicedesk@mit.edu.

Posted on Feb 23, 2026 - 14:03 EST

Scheduled Network Maintenance - Building E2 Feb 24, 2026 06:30-09:00 EST

Due to scheduled network maintenance, MITnet BMS network — will be intermittently unavailable in Building E2 on Tuesday 2/24/26, between 6:30am and 9:00am

Brief isolated outages will occur throughout the window as upgrades are performed on each switch.

If you experience any network issues after the maintenance period, please contact the Service Desk at 617-253-1101 or servicedesk@mit.edu.

Posted on Feb 23, 2026 - 14:05 EST

Building E90: Network - Switch Configuration Retrofit Feb 25, 2026 19:00-21:00 EST

The network (wired, Wi-Fi, VoIP) will be temporarily and briefly unavailable while switches are retrofitted to a new configuration standard.
Posted on Feb 21, 2026 - 16:23 EST
Feb 23, 2026

Unresolved incidents: Microsoft 365 MFA Access Issues, Duo Authentication Issues.

Feb 22, 2026
Completed - The scheduled maintenance has been completed.
Feb 22, 13:00 EST
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Feb 22, 11:00 EST
Scheduled - IS&T will be performing maintenance on the campus telephone system. No interruption of service is expected.

If you experience any telephone related issues after the posted maintenance period, please contact the Service Desk at 617-253-1101 or servicedesk@mit.edu

Feb 20, 14:31 EST
Feb 21, 2026
Completed - The scheduled maintenance has been completed.
Feb 21, 15:42 EST
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Feb 21, 00:30 EST
Scheduled - The SAP production environment will be unavailable on Saturday, February 21 2026, between 12:30AM and 4:30PM. During this service outage, tests will be conducted against the SAP disaster recovery data center components of MIT's SAP production infrastructure. Please note that, while this work is taking place, SAP, B2P, Facilities/Work-Manager and Inventory-Manager functionality, GAP, MIT Warehouse SAP data, along with all Atlas SAP activity (including time sheet entry/approval, training, requisitioning, journal vouchers, credit card verification, events planning, and service requests) will be unavailable.
Feb 17, 22:43 EST
Feb 20, 2026
Resolved - The fiber vendor completed repairs on the damaged cable and network was restored to all effected FSILG locations just before 5:30 am today.

If you continue to experience any network related issues in the FSILG locations listed, please contact the Service Desk at 617-253-1101 or servicedesk@mit.edu

Feb 20, 09:12 EST
Investigating - The network is down in several FSILG locations. This is due to a cut fiber optic cable in Boston. The fiber vendor is currently working on restoring the circuits.

At this time we do not have an ETA on the repair but IS&T will continue to monitor and update as the situation progresses.

Affected Houses ET - ZBT - PIKA - CP - XF - PKT - DTD - PLP - ND

Feb 19, 08:53 EST
Feb 19, 2026
Completed - The scheduled maintenance has been completed.
Feb 19, 19:00 EST
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Feb 19, 17:00 EST
Scheduled - IS&T will be performing maintenance on the campus telephone system. No interruption of service is expected.

If you experience any telephone related issues after the posted maintenance period, please contact the Service Desk at 617-253-1101 or servicedesk@mit.edu

Feb 18, 10:58 EST
Feb 18, 2026
Completed - The scheduled maintenance has been completed.
Feb 18, 20:00 EST
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Feb 18, 18:00 EST
Scheduled - IS&T will be performing maintenance on the campus telephone system. No interruption of service is expected.

If you experience any telephone related issues after the posted maintenance period, please contact the Service Desk at 617-253-1101 or servicedesk@mit.edu

Feb 18, 10:57 EST
Feb 17, 2026

No incidents reported.

Feb 16, 2026

No incidents reported.

Feb 15, 2026

No incidents reported.

Feb 14, 2026

No incidents reported.

Feb 13, 2026
Completed - The scheduled maintenance has been completed.
Feb 13, 09:01 EST
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Feb 13, 06:01 EST
Scheduled - Due to scheduled network maintenance, MITnet BMS network — will be intermittently unavailable in Building W98 on Friday 2/13/26, between 6:00am and 9:00am

Brief isolated outages will occur throughout the window as upgrades are performed on each switch.

If you experience any network issues after the maintenance period, please contact the Service Desk at 617-253-1101 or servicedesk@mit.edu.

Feb 11, 09:54 EST
Completed - The scheduled maintenance has been completed.
Feb 13, 09:01 EST
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Feb 13, 06:00 EST
Scheduled - Due to scheduled network maintenance, MITnet BMS network — will be intermittently unavailable in Building E60 on Friday 2/13/26, between 6:00am and 9:00am

Brief isolated outages will occur throughout the window as upgrades are performed on each switch.

If you experience any network issues after the maintenance period, please contact the Service Desk at 617-253-1101 or servicedesk@mit.edu.

Feb 11, 09:50 EST
Completed - The scheduled maintenance has been completed.
Feb 13, 09:00 EST
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Feb 13, 06:00 EST
Scheduled - Due to scheduled network maintenance, MITnet BMS network — will be intermittently unavailable in Building W91 on Friday 2/13/26, between 6:00am and 9:00am

Brief isolated outages will occur throughout the window as upgrades are performed on each switch.

If you experience any network issues after the maintenance period, please contact the Service Desk at 617-253-1101 or servicedesk@mit.edu.

Feb 11, 09:53 EST
Feb 12, 2026
Completed - The scheduled maintenance has been completed.
Feb 12, 18:00 EST
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Feb 12, 14:00 EST
Scheduled - Microsoft monthly patches have been released. Notes on the release are available here: http://kb.mit.edu/confluence/x/HICiCg
Feb 12, 09:00 EST
Feb 11, 2026

No incidents reported.

Feb 10, 2026

No incidents reported.

Feb 9, 2026
Completed - The scheduled maintenance has been completed.
Feb 9, 08:00 EST
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Feb 9, 06:30 EST
Scheduled - Due to scheduled network maintenance, MITnet BMS network — will be intermittently unavailable in Building 3 on Monday 2/9/26, between 6:30am and 8:00am

Brief isolated outages will occur throughout the window as upgrades are performed on each switch.

If you experience any network issues after the maintenance period, please contact the Service Desk at 617-253-1101 or servicedesk@mit.edu.

Feb 6, 07:13 EST