Outage in MIT IS&T

OC25 (Haystack): Network Connectivity to MITnet

Resolved Major

March 03, 2026 - Started 8 days ago - Lasted 2 days
Official incident page

Incident Report

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.

Components affected

MIT IS&T Network

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Latest Updates ( sorted recent to last )

RESOLVED 6 days ago - at 03/05/2026 06:05PM

This incident has been resolved.

INVESTIGATING 8 days ago - at 03/03/2026 09:00PM

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

INVESTIGATING 8 days ago - at 03/03/2026 11:44AM

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.

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