All Systems Operational

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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

AFS Locker Authentication Update Mar 23, 2026 20:00-21:00 EDT

Update - No downtime is expected during this maintenance.
Mar 23, 2026 - 20:00 EDT
Scheduled - On Monday, March 23, all AFS web lockers will be converted from MIT Certificate authentication to Touchstone authentication. User authorization to AFS lockers using "htaccess.mit" files will continue to work as expected. If you have any questions, please contact the IS&T Service Desk.
Mar 23, 2026 - 14:08 EDT

Action Required: Update Duo Mobile App by March 31 Mar 31, 2026 00:00-23:00 EDT

Duo Security is making a required update that affects Duo push notifications. If you use Duo push on your phone, you must update the Duo Mobile app to the latest version (via the App Store or Google Play) by March 31 to avoid authentication issues. More info: https://help.duo.com/s/article/9451
Posted on Mar 09, 2026 - 16:13 EDT
Mar 9, 2026

No incidents reported today.

Mar 8, 2026

No incidents reported.

Mar 7, 2026
Scheduled power outage - Building E66, 3/7/26 - 6am - 11am
Completed - The scheduled maintenance has been completed.
Mar 7, 11:00 EST
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Mar 7, 06:00 EST
Scheduled - Building E66 - Due to a scheduled power outage, MITnet including wired, wireless, BMS networks and VoIP telephones will be down during the maintenance window.

If you experience any network issues after the maintenance period, please contact the Service Desk at 617-253-1101 or servicedesk@mit.edu.
Mar 4, 10:13 EST
Mar 6, 2026
MITnet: Routing Change
Completed - The scheduled maintenance has been completed.
Mar 6, 21:00 EST
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Mar 6, 19:00 EST
Scheduled - IS&T will be re-routing traffic through another set of routers/firewalls in preparation for upcoming maintenance. No outages are expected, but some connections traversing the campus firewalls may need to be re-established.
Mar 4, 17:44 EST
Mar 5, 2026
OC25 (Haystack): Network Connectivity to MITnet
Resolved - This incident has been resolved.
Mar 5, 13:05 EST
Update - Connectivity to the building networks (Wi-Fi, VoIP, Internet) is restored, but full recovery of all Haystack circuits is still in progress.
Mar 3, 16:00 EST
Investigating - Connectivity between MITnet and Haystack (Buildings OC21, OC24, OC25, OC26) is currently down due to fiber/optical circuit issues. IS&T has engaged MIT-LL to further investigate optical network.
Mar 3, 06:44 EST
Mar 4, 2026

No incidents reported.

Mar 3, 2026
Mar 2, 2026

No incidents reported.

Mar 1, 2026

No incidents reported.

Feb 28, 2026
Scheduled Network Maintenance - Building(s) W31 & W97
Completed - The scheduled maintenance has been completed.
Feb 28, 11:30 EST
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Feb 28, 06:30 EST
Scheduled - Due to scheduled network maintenance, MITnet (wired, wireless, VoIP and BMS) will be intermittently unavailable in Building(s) W31 and W97 on Saturday 2/28/26, between 6:30am and 11:30pm

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 24, 07:51 EST
Feb 27, 2026
Scheduled Network Maintenance - Building W85
Completed - The scheduled maintenance has been completed.
Feb 27, 07:30 EST
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Feb 27, 06:30 EST
Scheduled - Due to scheduled network maintenance, MITnet BMS network — will be intermittently unavailable in Building W85 on Friday 2/27/26, between 6:30am and 7:30am

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 25, 13:18 EST
Feb 26, 2026

No incidents reported.

Feb 25, 2026
Building E90: Network - Switch Configuration Retrofit
Completed - The scheduled maintenance has been completed.
Feb 25, 19:45 EST
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Feb 25, 19:00 EST
Scheduled - The network (wired, Wi-Fi, VoIP) will be temporarily and briefly unavailable while switches are retrofitted to a new configuration standard.
Feb 21, 16:23 EST
Feb 24, 2026
Scheduled Network Maintenance - Building E2
Completed - The scheduled maintenance has been completed.
Feb 24, 09:00 EST
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Feb 24, 06:31 EST
Scheduled - 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.
Feb 23, 14:05 EST
Scheduled Network Maintenance - Building W85
Completed - The scheduled maintenance has been completed.
Feb 24, 09:00 EST
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Feb 24, 06:30 EST
Scheduled - 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.
Feb 23, 14:03 EST
Feb 23, 2026
Telephone system maintenance
Completed - The scheduled maintenance has been completed.
Feb 23, 20:00 EST
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Feb 23, 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 20, 14:32 EST
Microsoft 365 MFA Access Issues
Resolved - This incident has been resolved.
Feb 23, 16:30 EST
Monitoring - Microsoft 365 MFA services are operating, and authentication attempts should now be successful.
Feb 23, 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, 11:18 EST
Duo Authentication Issues
Resolved - This incident has been resolved.
Feb 23, 16:30 EST
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, 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, 11:16 EST
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