Investigating Business Central Connectivity Issues

Update timeline

1. resolved Nov 11, 2025, 08:14 AM UTC

   **Microsoft Root Cause Analysis – Azure Front Door Connectivity Incident (29–30 October 2025)** On 29–30 October 2025, a global connectivity issue with Azure Front Door caused intermittent service disruptions for Boltrics and other Microsoft customers. Microsoft has published a Root Cause Analysis (RCA) detailing the cause, mitigation, and preventive actions. The summary is included below. Join one of our upcoming 'Azure Incident Retrospective' livestreams discussing this incident (to hear from our engineering leaders, and to get any questions answered by our experts) or watch a recording of the livestream (available later, on YouTube): https://aka.ms/AIR/QNBQ-5W8. **What happened?** Between 15:41 UTC on 29 October and 00:05 UTC on 30 October 2025, customers and Microsoft services leveraging Azure Front Door (AFD) and Azure Content Delivery Network (CDN) experienced connection timeout errors and Domain Name System (DNS) resolution issues. From 18:30 UTC on 29 October 2025, as the system recovered gradually, some customers started to see availability improve – albeit with increased latency – until the system fully stabilized by 00:05 UTC on 30 October 2025. Affected Azure services included but were not limited to: Azure Active Directory B2C, Azure AI Video Indexer, Azure App Service, Azure Communication Services, Azure Databricks, Azure Healthcare APIs, Azure Maps, Azure Marketplace, Azure Media Services, Azure Portal, Azure Sphere Security Service, Azure SQL Database, and Azure Static Web Apps. Other Microsoft services were also impacted, including Microsoft 365 (see: MO1181369), the Microsoft Communication Registry website, Microsoft Copilot for Security, Microsoft Defender (External Attack Surface Management), Microsoft Dragon Copilot, Microsoft Dynamics 365 and Power Platform (see: MX1181378), Microsoft Entra ID (Mobility Management Policy Service, Identity & Access Management, and User Management), Microsoft Purview, Microsoft Sentinel (Threat Intelligence), Visual Studio App Center, and customers’ ability to open support cases (both in the Azure Portal and by phone). **Read more about this issue below.**