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UC San Diego Outage History

Every past UC San Diego outage tracked by IsDown, with detection times, duration, and resolution details.

There were 328 UC San Diego outages since November 2023. The 136 outages from the last 12 months are summarized below, with incident details, duration, and resolution information.

Minor May 30, 2026

May 2026: Users can expect to have difficulty logging into various UCSD applications. This is currently being investigated.

Detected May 30, 2026 4:24 PM EDT · Resolved Jun 1, 2026 3:47 PM EDT · Duration 2 days

Minor May 28, 2026

May 2026: Short Network Disruption

Detected May 28, 2026 1:58 PM EDT · Resolved May 29, 2026 4:38 PM EDT · Duration 1 day

Major May 28, 2026

May 2026: Student Activity Hub (SAH) Empty or Incomplete

Detected May 28, 2026 9:39 AM EDT · Resolved May 29, 2026 10:05 AM EDT · Duration 1 day

Minor May 26, 2026

May 2026: uAchieve Degree Audit Issue

Detected May 26, 2026 12:39 PM EDT · Resolved May 29, 2026 4:38 PM EDT · Duration 3 days

Minor May 22, 2026

May 2026: Anaplan Degraded Service

Detected May 22, 2026 4:06 PM EDT · Resolved May 22, 2026 5:35 PM EDT · Duration about 1 hour

Minor May 19, 2026

May 2026: SSO login error

Detected May 19, 2026 1:42 PM EDT · Resolved May 19, 2026 4:12 PM EDT · Duration about 3 hours

Minor May 13, 2026

May 2026: Activity Hub data available, but not refreshed

Detected May 13, 2026 10:03 AM EDT · Resolved May 13, 2026 8:20 PM EDT · Duration about 10 hours

Major May 12, 2026

May 2026: Degree Audit

Detected May 12, 2026 2:50 PM EDT · Resolved May 12, 2026 7:55 PM EDT · Duration about 5 hours

Major May 7, 2026

May 2026: VAC down

Detected May 7, 2026 4:51 PM EDT · Resolved May 7, 2026 5:29 PM EDT · Duration 38 minutes

Major May 7, 2026

May 2026: Canvas System

Detected May 7, 2026 4:10 PM EDT · Resolved May 12, 2026 3:10 PM EDT · Duration 5 days