Queue Studio guides

How to look inside Azure Service Bus and get dead letters back, with the portal, the SDKs and the local emulator. No extension needed to follow them.

• How to peek messages in an Azure Service Bus dead-letter queue

  Read dead-lettered Azure Service Bus messages without removing them: the portal’s 100-message peek, paging a whole DLQ from .NET, JavaScript and Python, and the reasons.

• How to resubmit dead-lettered messages in Azure Service Bus without losing any

  Send Azure Service Bus dead letters back safely: what the portal’s Re-send leaves behind, a send-then-complete loop in C#, duplicate detection, sessions, topics.

• Azure Service Bus emulator vs the cloud: the differences that bite in tests

  How the Azure Service Bus emulator differs from the cloud: quotas, one-hour TTL, no Entra ID, management on port 5300, zero counts and silent session receivers.