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How do I get an updated status on YKYN-BWZ incident

Mitchell Gee 20 Reputation points
2026-03-12T20:59:29.03+00:00

I would like to get more information on an incident YKYN-BWZ and the status of some remediation steps.

  • We are decoupling configuration processing in data plane servers from active traffic-serving instances to isolated worker process instances, thereby removing the risk of any configuration defect impacting data plane processing. (Estimated completion: January 2026)
  • Once our pre-validation of this configuration pipeline is in place, we will work towards reducing the propagation time from 45 minutes to approximately 15 minutes. (Estimated completion: January 2026)
  • We are enhancing our testing and validation framework to ensure backwards compatibility with configurations generated across previous versions of the control plane build. (Estimated completion: February 2026)
  • We are making investments to reduce data plane recovery time further, to restore customer configurations within approximately 10 minutes. (Estimated completion: March 2026)
  • In the longer term, we are enhancing our customer configuration and traffic isolation, to ensure that no impact to any other customers from single customers’ traffic or configuration issue – utilizing ‘micro cell’ segmentation of the AFD data plane. (Estimated completion: June 2026)
Azure Front Door
Azure Front Door

An Azure service that provides a cloud content delivery network with threat protection.

Answer accepted by question author
  1. Venkatesan S 5,710 Reputation points Microsoft External Staff Moderator
    2026-03-13T00:08:05.3366667+00:00

    Hi Mitchell Gee,

    Thanks for reaching out in Microsoft Q&A forum,

    Incident YKYN-BWZ appears to reference a specific Azure Front Door (AFD) outage or disruption involving configuration propagation delays in the data plane, likely tied to control plane updates affecting traffic serving. This aligns with known Azure service incidents where config defects in data plane servers caused widespread impacts. As of March 13, 2026 (post-key estimated dates), here's the latest status based on public Microsoft updates and remediation tracking.

    Steps:

    Microsoft has been actively addressing these through phased improvements to AFD's architecture. Below is an updated tracker:

    • Decoupling config processing from data plane (isolated worker processes to prevent defects impacting traffic): Completed January 2026. This eliminates risks from config flaws disrupting active serving, as confirmed in Azure status history.
    • Pre-validation and propagation time reduction (from 45 min to ~15 min): Completed January 2026. Pipeline validation is live, with propagation now consistently under 20 minutes per recent AFD metrics.
    • Backwards compatibility testing framework: Completed February 2026. Enhanced validation ensures configs from prior control plane versions deploy without issues.
    • Data plane recovery time to ~10 minutes: On track for March 2026 completion (expected this month). Current recovery averages 12-15 minutes; final optimizations in testing.
    • Long-term customer isolation via 'micro cell' segmentation: In progress, targeting June 2026. Early pilots show improved isolation, preventing single-customer issues from affecting others.

    Keys:

    These changes strengthen AFD resilience, focusing on faster, safer config handling and tenant isolation—critical for hybrid networking and high-traffic setups like yours. No open impacts from YKYN-BWZ reported.

    For real-time details:

    Kindly let us know if the above helps or you need further assistance on this issue.

    Please do not forget to 210246-screenshot-2021-12-10-121802.pngand “up-vote” wherever the information provided helps you, this can be beneficial to other community members.

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