WiscNet experienced a critical incident on March 30, 2026 affecting Concordia University and Nicolet UHS School District, lasting 9d 1h. The incident has been resolved; the full update timeline is below.
Affected components
Update timeline
- investigating Mar 30, 2026, 05:29 PM UTC
Good afternoon, At 12:05PM CDT we began experiencing an outage impacting one of our core devices. We're currently investigating the issue further.
- investigating Mar 30, 2026, 05:53 PM UTC
Good afternoon, Both sites are currently up via a redundant link, however we are still working to investigate the outage impacting the primary link.
- investigating Mar 30, 2026, 06:56 PM UTC
We've opened a ticket with our last mile provider for further investigation. We will continue to provide updates as we know more.
- investigating Mar 30, 2026, 08:22 PM UTC
We're continuing to investigate the issue further. We'll continue to provide updates as we know more.
- identified Mar 31, 2026, 01:26 AM UTC
It was discovered that unknown building work occurred in Madison and WiscNet services were impacted. The WiscNet engineering team is engaged and corresponding with teams to coordinate a temporary repair or to move the circuit to a different path, but services are expected to remain down overnight. We will continue to provide updates as they become available. Next update expected early tomorrow morning during business hours.
- identified Mar 31, 2026, 03:37 PM UTC
Hello, We are continuing our investigations with our local provider. There is no ETR yet at this time.
- identified Apr 01, 2026, 08:08 PM UTC
Hello, We are continuing our investigations with our local provider. There is no ETR yet at this time.
- resolved Apr 08, 2026, 06:48 PM UTC
Hello, Services restored 3/31/2026 11:57 AM. The outage was due to an issue on the local providers network.
- postmortem Apr 08, 2026, 07:38 PM UTC
Date & Time of Incident: 3/30/26 12:05PM Duration: 23 hours and 52 Technician\(s\): Octavia/Jim/Tim/Ben Review Date: 4/8/26 Brief Summary: Provider network issue caused circuit outage. WiscNet engineers moved services to restore services promptly Root Cause: Provider issue from unknown building work