Retirement: Deprecation of sidecar for remote-write for Azure Monitor managed service for Prometheus

On March 31, 2027 Azure Monitor will be deprecating the sidecar for remote-write of Prometheus metrics to Azure Monitor Workspace. This is as part of our ongoing efforts to improve reliability and reduce complexity. We recommend configuring your self-hosted Prometheus or Prometheus Operator to remote-write directly to Azure Monitor Workspace. All authentication methods are supported in the Prometheus remote-write configuration, and direct remote-write is fully compatible with the Prometheus Operator. You can find detailed configuration guidance in [the official documentation](https://learn.microsoft.com/azure/azure-monitor/metrics/prometheus-remote-write?tabs=system-managed-identity). This approach removes the need for the sidecar and simplifies your setup. We encourage you to transition to direct Prometheus remote-write as soon as possible to take advantage of the improved experience and ensure uninterrupted service. If you have any questions or need assistance during this transition, please feel free to contact [ciprometheus@microsoft.com](mailto:ciprometheus@microsoft.com) with your name, company name, email contact and subscription IDs.