Q15 Service Bus Domain 3 · 20–25% of exam

What is the maximum message lock duration in Azure Service Bus?

  1. A 1 minute
  2. B 5 minutes
  3. C The lock can be renewed indefinitely up to the message time-to-live (correct answer)
  4. D 30 seconds

Shortcut: The initial lock duration is configurable (max 5 minutes per renewal). Applications can renew the lock (RenewMessageLock) as long as needed, up to the message TTL, for long-running processing.