Service Disruption: Lumen Network Interruption at AHSB

Incident Report for CU Anschutz ISS and CU Denver OIT

Resolved

Information Strategy and Services (ISS) has determined that service has been fully restored.

What service was affected: VPN connectivity experienced interruptions for some users.

What is the resolution: The network team worked with the vendor, Lumen, to restore the affected connection. Once service was restored, VPN connectivity returned to normal operation.

If you are still experiencing service degradation after this resolution, please contact the Service Desk at 303-724-4357.

Incident: 3100192
Posted Oct 30, 2026 - 12:55 MDT

Monitoring

Information Strategy and Services (ISS) has identified the cause of the service disruption.

What service is affected: Network interruption affecting VPN connectivity.

What fix has been applied: Lumen network connection has been established.

Workarounds (if any): Not at this time.

ISS will continue to monitor the service for full stability and service restoration.

Incident: 3100192
Posted Oct 30, 2026 - 11:11 MDT

Investigating

Information Strategy and Services (ISS) is aware of and currently investigating a service disruption.

What service is affected: Network interruption affecting VPN connectivity.

What is the issue: Lumen internet connection is currently experiencing loss of connectivity.

Who is impacted: Users using Lumen to connect to campus over VPN may have noticed connectivity blips affecting access to some university systems.

Workarounds (if any): None at this time.

Thank you for your patience while our team works on identifying the cause and resolving it as quickly as possible.

Incident: 3100192
Posted Oct 30, 2026 - 09:49 MDT
This incident affected: Network Services (CU Anschutz, CU Denver, Off-Site Location) and Virtual Private Network (VPN).