Azure Outage History
Uptime record, past incidents, and downtime history for Azure.
Checking current status...
90-Day Trend
Monthly Uptime
| Month | Uptime | Days Tracked | Days with Issues |
|---|---|---|---|
| July 2026 | 88.9% | 9 | 1 |
| June 2026 | 93.3% | 30 | 2 |
| May 2026 | 90.3% | 31 | 3 |
| April 2026 | 90.5% | 21 | 2 |
Uptime is calculated from daily worst-status snapshots. A day with any non-operational status counts as a day with issues.
Daily Status (Last 91 Days)
Apr 10
Today
Operational
Degraded
Partial Outage
Major Outage
Maintenance
No Data
Incident History
July 2026
GitHub Issue
Started: Jul 8, 7:47 PM
investigating
GitHub Enterprise Cloud with Data Residency is experiencing a service outage impacting all services, issue identified and mitigation in progress. For details please go here: : https://us.githubstatus.com/posts/details/PBJ0QTY
Jul 8, 7:47 PM
June 2026
Mitigated – Customers leveraging a subset of services may experience 401 authentication errors
Started: Jun 16, 12:01 AM
investigating
What happened?Between 21:45 UTC and 23:23 UTC on 15 June 2026, Azure customers leveraging services which depend upon Microsoft Artifact Registry (MAR) may have experienced 401 authentication errors when attempting to pull images from MAR . This incident is now mitigated. Further details will be provided directly to impacted customers through the Azure Portal.
Jun 16, 12:01 AM
Active – Customers leveraging a subset of services may experience 401 authentication errors
Started: Jun 15, 11:44 PM
investigating
Impact Statement: Starting at 21:45 UTC on 15 June 2026, a subset of Azure customers leveraging services which depend upon MCR (Microsoft Container Registry) for storing images may experience 401 authentication errors for requests attempting to pull Microsoft images from mcr.microsoft.com.Current Status: We detected this issue via internal service monitoring upon identifying a spike of 401 errors. We’ve identified a potential underlying factor to be a recent update which introduced a code r...
Jun 15, 11:44 PM
Investigating a spike in 401 authentication errors
Started: Jun 15, 11:04 PM
investigating
We are actively investigating customer alerts of 401 authentication errors when pulling images from mcr.microsoft.com. We’ve identified a potential underlying factor related to a recent update made to a backed service and we are actively working on determining mitigation workstreams. More information will be provided shortly.
Jun 15, 11:04 PM
May 2026
Active - Azure OpenAI Service Elevated Error Rates in multiple regions
Started: May 29, 9:39 AM
investigating
Impact Statement: Starting at 09:39 UTC on 29 May 2026, customers using Azure OpenAI service in multiple regions who may experience degraded request success where some requests returned errors or failed to complete.Current Status: We identified this issue through internal automated service monitoring after detecting a drop in call success rates. Our investigation indicates that the issue is linked to elevated server-side errors within a backend service layer in the affected region.We are acti...
May 29, 9:39 AM
Active – Network connectivity degradation in West US 2
Started: May 29, 7:07 AM
investigating
Impact Statement- Starting at 04:27 UTC on 29 May 2026, customers may experience increased latency, intermittent connectivity, or timeouts when accessing resources hosted in the West US 2 region, due to a power event. We are in process of recovering power and working to restore infrastructure in the region. We started seeing partial recovery and will be sending targeted communications to impacted customers through the Azure Service Health dashboard. The next update will be provided within 60...
May 29, 7:07 AM
Active – Multi Service degradation in West US 2 region.
Started: May 29, 4:27 AM
investigating
Impact Statement: Starting at 04:27 UTC on 29 May 2026, we are investigating an incident which is impacting multiple services in West US 2, due to a power event. This impacts service accessibility region-wide, with customers potentially experiencing increased latency and intermittent connectivity, including timeouts when connecting to resources.Affected Azure services include, but are not limited to:Azure Functions, Azure Database for MySQL flexible servers, Azure Database PostgreSQL Flexible...
May 29, 4:27 AM
Active – Multi Service degradation in West US 2
Started: May 29, 4:27 AM
resolved
Impact Statement: Starting at 04:27 UTC on 29 May 2026, a severe thunderstorm caused widespread utility power loss to our West US 2 datacenter facilities, resulting in a multi-service outage. Datacenter power and network infrastructure have been fully restored. The majority of services have recovered, with residual impact limited to storage-dependent workloads on two remaining storage stamps undergoing tail recovery.Customers with dependencies on two outstanding storage stamps may still expe...
May 29, 4:27 AM
Active – Recovering - Multiple Services experiencing degradation in West US 2
Started: May 29, 4:27 AM
resolved
Impact statement: Starting at 04:27 UTC on 29 May 2026, a severe thunderstorm caused widespread utility power loss across multiple West US 2 datacenter facilities, resulting in impact to multiple Azure services. Datacenter power has been fully restored, and the majority of network and storage infrastructure has recovered. Infrastructure in Availability Zone 2 has recovered and is operating normally. Residual impact is now concentrated on a subset of infrastructure within Availability Zones 1 ...
May 29, 4:27 AM
Active - Azure Synapse Analytics - Connectivity Issues
Started: May 27, 2:05 PM
investigating
Impact: From 08:40 UTC, 27 May 2026, some customers using Azure Synapse Analytics (private link) may experience delays or failures accessing Synapse Studio or workspaces across multiple regions. As of now mitigation is in progress, and we are seeing initial signs of recovery.
May 27, 2:05 PM
Active - Azure Synapse Analytics (East US)- Connectivity Issues
Started: May 27, 1:01 PM
investigating
Impact: From 08:40 UTC, 27 May 2026, some customers using Azure Synapse Analytics (private link, East US) may experience delays or failures accessing Synapse Studio or workspaces. We detected elevated connection failures via automated monitoring and are actively investigating.
May 27, 1:01 PM
Active - Microsoft Fabric / Power BI / Power BI Embedded - Degraded performance in multiple regions
Started: May 18, 7:22 PM
investigating
Impact Statement: Starting from 13:59 UTC on 18 May 2026, customers using Microsoft Fabric - including Power BI and PowerBI Embedded - may be experiencing delays or failures while interacting with the service. This issue is affecting multiple regions in the Azure public cloud. Current Status: For the latest details, please refer to the Microsoft Fabric service status page: https://support.fabric.microsoft.com/support/
May 18, 7:22 PM
Active - Microsoft Fabric / Power BI - Degraded performance in multiple regions
Started: May 18, 5:19 PM
investigating
Impact Statement: Starting from 13:59 UTC on 18 May 2026, customers using Microsoft Fabric - including PowerBI and PowerBI Embedded - may be experiencing delays or failures while interacting with the service. This issue is affecting multiple regions in the Azure public cloud.Current Status: We are aware of this issue and are actively investigating. Our analysis indicates that an unexpected increase in request traffic is causing a portion of the infrastructure to operate below optimal levels. ...
May 18, 5:19 PM
April 2026
Active - Multiservice impact for Azure Workloads in East US
Started: Apr 24, 11:39 AM
investigating
Between 11:39 UTC on 24 April 2026 and 00:15 UTC on 25 April 2026, a platform issue resulted in an impact to a subset of Azure services in the East US region. Impacted customers experienced failures or delays when provisioning, scaling, or updating Azure resources. Intermittent connectivity issues may also be seen on existing running workloads in Virtual Machines and Azure Virtual Desktop sessions. This issue is now mitigated. An update with more information will be provided shortly via ...
Apr 24, 11:39 AM
March 2026
Mitigated - Multiple Azure Services Experienced Degraded Service in East US
Started: Mar 20, 4:37 PM
investigating
Impact Summary: Between 15:05 UTC and 15:35 UTC on 20 March 2026, customers in East US may have experienced degraded performance across multiple Azure services. The issue has been mitigated. Further updates, if required, will be communicated via the Azure Service Health portal.
Mar 20, 4:37 PM
Mitigated - Multiple Azure Services Experienced Degraded Services in East US
Started: Mar 20, 4:19 PM
investigating
Impact SummaryBetween 15:05 UTC and 15:35 UTC on 20 March 2026, customers in East US may have experienced degraded performance across multiple Azure services.The issue has been mitigated. Further updates, if required, will be communicated via the Azure Service Health portal.
Mar 20, 4:19 PM