How to Fix Azure Cosmos DB Error 502
Description: Bad Gateway in Azure Cosmos DB
If you are encountering Azure Cosmos DB Error 502, it is likely causing critical downtime or application failure. Follow the steps below for immediate resolution.
The Immediate Fix
The load balancer or API gateway received an invalid response from the upstream backend server. Check backend health and routing rules.
Why does this happen?
Enterprise errors like Azure Cosmos DB Error 502 typically occur due to misconfigurations in permissions, resource exhaustion, or network connectivity failures between services.