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Outage in VMware Workspace ONE

Horizon Cloud Service next-gen: Issues with launching virtual desktops - East US Region

Resolved Major
April 24, 2026 - Started 6 days ago - Lasted about 11 hours
Official incident page

Incident Report

Summary AI Generated

VMware Workspace ONE's Horizon Cloud Service experienced an 11-hour outage in the Azure East US region where customers could not launch virtual desktops or applications due to an underlying Microsoft Azure infrastructure issue. The problem was caused by an Azure outage that affected multiple availability zones, with recovery completed progressively across zones 01, 02, and 03. Microsoft resolved the underlying Azure issue and VMware confirmed full service restoration, advising customers experiencing residual effects to open service requests.

The Horizon Cloud Service team is investigating an issues impacting session launch in Azure EastUS region. Customer's may experience failure while launching desktops or applications. We are actively working to determine the root cause and will provide updates as more information becomes available. Service reliability is a top priority for Horizon Cloud Service, and we are committed to continuous improvements in our systems.

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Latest Updates ( sorted recent to last )
RESOLVED 6 days ago - at 04/25/2026 02:05AM

Microsoft has confirmed that the issue is resolved. If you are experiencing any residual effects from this issue, please open a Service Request for assistance. We apologize for the inconvenience and thank you for your patience and continued support.

Service reliability is a top priority at Horizon Cloud Service, and we are making continuous improvements to better our systems.

MONITORING 6 days ago - at 04/25/2026 01:03AM

Azure reports that service in East US Availability Zone 01 has been restored. Mitigation efforts are currently focused on addressing a regression within Availability Zones 02 and 03. Microsoft expects to resolve these remaining issues within the next few hours.

We are actively monitoring the situation and will provide another update within the next 4 hours or sooner as more information becomes available.

MONITORING 6 days ago - at 04/24/2026 11:00PM

Microsoft Azure has made progress in mitigating the issue in the East US region. Recovery has been completed in Availability Zone 01, and improvements are being observed. However, mitigation efforts are still ongoing in Availability Zones 02 and 03 due to a regression, with resolution expected within the next couple of hours.

We are actively monitoring the situation and will provide another update within the next 2 hours or sooner as more information becomes available.

IDENTIFIED 6 days ago - at 04/24/2026 08:44PM

Microsoft Azure has identified the issue, and mitigation efforts are in progress in the East US region.

For the latest updates from Microsoft, please visit:
https://azure.status.microsoft/en-us/status

Our team is actively monitoring the situation and will provide another update within the next 2 hours or sooner as more information becomes available.

IDENTIFIED 6 days ago - at 04/24/2026 06:39PM

Microsoft Azure has identified the issue, and mitigation efforts are in progress in the East US region.

For the latest updates from Microsoft, please visit:
 https://azure.status.microsoft/en-us/status

Our team is actively monitoring the situation and will provide another update within the next 2 hours or sooner as more information becomes available.

INVESTIGATING 6 days ago - at 04/24/2026 04:11PM

The Horizon Cloud Service team is currently investigating issues affecting the launch of new virtual desktop sessions, resulting from an ongoing Microsoft Azure outage in EastUS region.

For the latest updates from Microsoft, please visit: https://azure.status.microsoft/en-us/status

Our team is actively monitoring the situation and will provide another update within the next 2 hours or sooner as more information becomes available.

INVESTIGATING 6 days ago - at 04/24/2026 03:10PM

The Horizon Cloud Service team is investigating an issues impacting session launch in Azure EastUS region. Customer's may experience failure while launching desktops or applications.

We are actively working to determine the root cause and will provide updates as more information becomes available.

Service reliability is a top priority for Horizon Cloud Service, and we are committed to continuous improvements in our systems.

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