MIT IS&T Outage History

MIT IS&T is up right now

There were 5 MIT IS&T outages since February 19, 2026 totaling 111h 55m of downtime. Each is summarised below — incident details, duration, and resolution information.

Source: https://atlas-status.mit.edu

Minor March 19, 2026

Degraded Performance: AFS and Moira Services

Detected by Pingoru
Mar 19, 2026, 07:36 PM UTC
Resolved
Mar 20, 2026, 06:26 PM UTC
Duration
22h 49m
Affected: GeneralNetwork
Timeline · 3 updates
  1. investigating Mar 19, 2026, 07:36 PM UTC

    IS&T is currently investigating reports of degraded network performance affecting AFS on Athena and Moira, including the web-based Moira interface. Users may experience slower response times, intermittent delays, or client timeouts. We will provide updates as more information becomes available.

  2. monitoring Mar 19, 2026, 11:05 PM UTC

    A fix has been implemented and we are monitoring the results.

  3. resolved Mar 20, 2026, 06:26 PM UTC

    This incident has been resolved.

Read the full incident report →

Major March 3, 2026

OC25 (Haystack): Network Connectivity to MITnet

Detected by Pingoru
Mar 03, 2026, 11:44 AM UTC
Resolved
Mar 05, 2026, 06:05 PM UTC
Duration
2d 6h
Affected: Network
Timeline · 3 updates
  1. investigating Mar 03, 2026, 11:44 AM UTC

    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.

  2. investigating Mar 03, 2026, 09:00 PM UTC

    Connectivity to the building networks (Wi-Fi, VoIP, Internet) is restored, but full recovery of all Haystack circuits is still in progress.

  3. resolved Mar 05, 2026, 06:05 PM UTC

    This incident has been resolved.

Read the full incident report →

Minor February 23, 2026

Microsoft 365 MFA Access Issues

Detected by Pingoru
Feb 23, 2026, 04:18 PM UTC
Resolved
Feb 23, 2026, 09:30 PM UTC
Duration
5h 12m
Affected: General
Timeline · 3 updates
  1. investigating Feb 23, 2026, 04:18 PM UTC

    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

  2. monitoring Feb 23, 2026, 05:43 PM UTC

    Microsoft 365 MFA services are operating, and authentication attempts should now be successful.

  3. resolved Feb 23, 2026, 09:30 PM UTC

    This incident has been resolved.

Read the full incident report →

Notice February 23, 2026

Duo Authentication Issues

Detected by Pingoru
Feb 23, 2026, 04:16 PM UTC
Resolved
Feb 23, 2026, 09:30 PM UTC
Duration
5h 13m
Affected: General
Timeline · 3 updates
  1. investigating Feb 23, 2026, 04:16 PM UTC

    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/

  2. monitoring Feb 23, 2026, 06:06 PM UTC

    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/

  3. resolved Feb 23, 2026, 09:30 PM UTC

    This incident has been resolved.

Read the full incident report →

Notice February 19, 2026

FSILG Network outages

Detected by Pingoru
Feb 19, 2026, 01:53 PM UTC
Resolved
Feb 20, 2026, 02:12 PM UTC
Duration
1d
Affected: Network
Timeline · 2 updates
  1. investigating Feb 19, 2026, 01:53 PM UTC

    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

  2. resolved Feb 20, 2026, 02:12 PM UTC

    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 [email protected]

Read the full incident report →

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