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Outage in Cisco Umbrella

Cisco Umbrella - Connectivity Issue – Dubai, Czechia (Europe), Paris (Europe) and Johannesburg (South Africa)

Resolved Minor
June 01, 2026 - Started 12 days ago - Lasted about 4 hours
Official incident page

Incident Report

Summary AI Generated

Cisco Umbrella experienced a 3.9-hour service availability issue affecting datacenters in Dubai, Czechia, Paris, and Johannesburg, causing users to experience timeouts and difficulties accessing resources intermittently. The root cause was identified as an issue affecting the Warn page functionality, with Paris datacenter users also experiencing increased latency during the incident. The engineering team resolved the issues progressively across all affected datacenters, with Dubai resolved first, followed by Czechia and Paris, and finally Johannesburg.

We are currently investigating a service availability issue affecting Cisco Umbrella in the Dubai and Czechia (Europe) datacenter. Some users may experience timeouts and difficulties accessing resources intermittently. Our engineering team is actively working to confirm the impact, identify the root cause, and implement a resolution. We are committed to restoring full service as quickly as possible. Updates and additional details will be provided as new information becomes available.

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Latest Updates ( sorted recent to last )
RESOLVED 12 days ago - at 06/01/2026 11:02AM

The issues affecting Cisco Umbrella services in the Johannesburg (South Africa) datacenter regions have been resolved. All services are now operating normally.

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If you have any questions or need assistance, please contact our support team. Thank you for your understanding and support as we work to improve your Cisco Umbrella experience.

IDENTIFIED 12 days ago - at 06/01/2026 09:59AM

The issue affecting the Cisco Umbrella datacenters in Czechia (Europe) and Paris (Europe) has now been resolved. Initial assessments indicated that the impact was limited to the Warn page; however, further investigation by the engineering team revealed that customers in the Paris datacenter may also have experienced increased latency during the affected period.

Remediation efforts are still ongoing for the Johannesburg (South Africa) datacenter.

We appreciate your patience as we continue to work towards full resolution.

IDENTIFIED 12 days ago - at 06/01/2026 09:25AM

The issue affecting Cisco Umbrella in the Dubai datacenter has been resolved.

Remediation efforts are ongoing for the remaining datacenters in Czechia (Europe), Paris (Europe), and Johannesburg (South Africa).

IDENTIFIED 12 days ago - at 06/01/2026 08:29AM

We have identified the root cause of the issue affecting Cisco Umbrella in the Dubai, Czechia (Europe), Paris (Europe) and Johannesburg (South Africa) datacenter. The issue was only affecting the Warn page.

Remediation efforts are underway.

We are actively monitoring the situation and will provide a final update once the issue is fully resolved.

INVESTIGATING 12 days ago - at 06/01/2026 07:51AM

We continue to investigate the service availability issues impacting Cisco Umbrella in the Dubai and Czechia (Europe) datacenters, with our engineering team working diligently to resolve the situation as swiftly as possible.

INVESTIGATING 12 days ago - at 06/01/2026 07:12AM

We are currently investigating a service availability issue affecting Cisco Umbrella in the Dubai and Czechia (Europe) datacenter.
Some users may experience timeouts and difficulties accessing resources intermittently.

Our engineering team is actively working to confirm the impact, identify the root cause, and implement a resolution. We are committed to restoring full service as quickly as possible. Updates and additional details will be provided as new information becomes available.

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