Outage in MIT IS&T
OC25 (Haystack): Network Connectivity to MITnet
Resolved MajorIncident 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 NetworkTrusted by 1,000+ teams
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Latest Updates ( sorted recent to last )
RESOLVED
about 2 months ago - at 03/05/2026 06:05PM
This incident has been resolved.
INVESTIGATING
about 2 months 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
2 months 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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