Update - Connectivity to the building networks (Wi-Fi, VoIP, Internet) is restored, but full recovery of all Haystack circuits is still in progress.
Mar 03, 2026 - 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 03, 2026 - 06:44 EST
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
Partial Outage
Telephones
Operational
Academic Services
Operational
Administrative Services
Operational
Library Services
Operational
Slack
Degraded Performance
Slack Login/SSO
Operational
Slack Connections
Operational
Slack Messaging
Operational
Slack Notifications
Operational
Slack Posts/Files
Operational
Slack Calls
Operational
Slack Search
Degraded Performance
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
Past Incidents
Mar 3, 2026
Unresolved incident: OC25 (Haystack): Network Connectivity to MITnet.
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
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
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
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
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
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
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
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
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
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
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
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
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