Azure status

Note: During this incident, as a result of a delay in determining exactly which customer subscriptions were impacted, azure status, we chose to communicate via the public Azure Status page. As described azure status our documentation, public PIR postings on this page are reserved for 'scenario 1' incidents - typically broadly impacting incidents across entire zones or regions, or even multiple zones or regions. Summary palahniuk epub Impact: Between and UTC on 07 Feb first occurrencecustomers attempting to view their resources through the Azure Portal may have experienced latency and delays. Subsequently, impact was experienced between and UTC on 08 Feb second occurrenceazure status, the issue re-occurred with impact experienced in customer locations across Europe leveraging Azure services.

Note: During this incident, as a result of a delay in determining exactly which customer subscriptions were impacted, we chose to communicate via the public Azure Status page. As described in our documentation, public PIR postings on this page are reserved for 'scenario 1' incidents - typically broadly impacting incidents across entire zones or regions, or even multiple zones or regions. Summary of Impact: Between and UTC on 07 Feb first occurrence , customers attempting to view their resources through the Azure Portal may have experienced latency and delays. Subsequently, impact was experienced between and UTC on 08 Feb second occurrence , the issue re-occurred with impact experienced in customer locations across Europe leveraging Azure services. Preliminary Root Cause: External reports alerted us to higher-than-expected latency and delays in the Azure Portal. After further investigation, we determined that an issue impacting the Azure Resource Manager ARM service resulted in downstream impact for various Azure services. While impact for the first occurrence was focused on West Europe, the second occurrence was reported across European regions including West Europe.

Azure status

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By UTC we had correlated the azure status feature to the ongoing impact. Estimated completion: February Finally, azure status, our Key Vault team are adding better fault injection tests and detection logic for RBAC downstream dependencies. Completed Our Entra team improved the rollout of that type of per-tenant configuration change to wait for multiple input signals, including from canary regions.

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Note: During this incident, as a result of a delay in determining exactly which customer subscriptions were impacted, we chose to communicate via the public Azure Status page. As described in our documentation, public PIR postings on this page are reserved for 'scenario 1' incidents - typically broadly impacting incidents across entire zones or regions, or even multiple zones or regions. Summary of Impact: Between and UTC on 07 Feb first occurrence , customers attempting to view their resources through the Azure Portal may have experienced latency and delays. Subsequently, impact was experienced between and UTC on 08 Feb second occurrence , the issue re-occurred with impact experienced in customer locations across Europe leveraging Azure services. Preliminary Root Cause: External reports alerted us to higher-than-expected latency and delays in the Azure Portal. After further investigation, we determined that an issue impacting the Azure Resource Manager ARM service resulted in downstream impact for various Azure services. While impact for the first occurrence was focused on West Europe, the second occurrence was reported across European regions including West Europe. Mitigation: During the first occurrence, we initially suspected an issue with Azure Resource Graph ARG and reverted a recent deployment as this was a potential root cause. Customer impact started to subside and ARG calls were successfully passing updated resource information. However, upon further investigation, we identified a potential network issue with the Azure Resource Manager service which caused impact to additional Azure services including the Azure Portal, Azure Data Factory, Azure Synapse Analytics and Databricks.

Azure status

Upgrade to Microsoft Edge to take advantage of the latest features, security updates, and technical support. Azure offers a suite of experiences to keep you informed about the health of your cloud resources. This information includes current and upcoming issues such as service impacting events, planned maintenance, and other changes that may affect your availability. Azure status informs you of service outages in Azure on the Azure Status page. The page is a global view of the health of all Azure services across all Azure regions. The status page is a good reference for incidents with widespread impact, but we strongly recommend that current Azure users leverage Azure service health to stay informed about Azure incidents and maintenance.

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What went wrong and why? How can we make our incident communications more useful? Preliminary Root Cause: External reports alerted us to higher-than-expected latency and delays in the Azure Portal. Specific to Key Vault, we identified a latent bug which resulted in application crashes when latency to ARM from the Key Vault data plane was persistently high. How did we respond? This triggered the latent code defect and caused ARM nodes, which are designed to restart periodically, to fail repeatedly upon startup. Due to these ongoing node restarts and failed startups, ARM began experiencing a gradual loss in capacity to serve requests. Estimated completion: February Finally, our Key Vault team are adding better fault injection tests and detection logic for RBAC downstream dependencies. Next Steps: We continue investigating to identify all contributing factors for these occurrences. Our ARM team have already disabled the preview feature through a configuration update. Completed Our Entra team improved the rollout of that type of per-tenant configuration change to wait for multiple input signals, including from canary regions. Please try refreshing the page.

Impact Statement: Starting as early as UTC on 07 Feb , customers accessing their resources through the Azure Portal may experience latency and delays viewing their resources. Impact would be mostly seen in West Europe.

After further investigation, we determined that an issue impacting the Azure Resource Manager ARM service resulted in downstream impact for various Azure services. Estimated completion: March In addition, several internal offerings depend on ARM to support on-demand capacity and configuration changes, leading to degradation and failure when ARM was unable to process their requests. From June 1, , this includes RCAs for broad issues as described in our documentation. However, upon further investigation, we identified a potential network issue with the Azure Resource Manager service which caused impact to additional Azure services including the Azure Portal, Azure Data Factory, Azure Synapse Analytics and Databricks. Automated communications to a subset of impacted customers began shortly thereafter and, as impact to additional regions became better understood, we decided to communicate publicly via the Azure Status page. Status History. This page contains root cause analyses RCAs of previous service issues, each retained for 5 years. How can we make our incident communications more useful? This feature is to support continuous access evaluation for ARM, and was only enabled for a small set of tenants and private preview customers.