Cause of Service Bus 'cannot allocate more handles'
We are occasionally encountering the Azure Service Bus 'Cannot allocate more handles' error, and I'm hoping to identify possible solutions. This is across a number of various Azure Function and Azure App Service apps that tend to use the same Service Bus…
Azure Service Bus
Azure Service Bus: When a message is sent to a topic only 2 out of 3 subscriptions get the message
I have a Service bus with 3 subscriptions. A service sends a message to the topic with 3 subscriptions. I can confirm that 2 subscriptions always get the message but the third one has trouble intermittently and sometimes does not get the message.…
Azure Service Bus
connection string?
Azure service bus queue... where to find the connection string
Azure Service Bus
How does Service Bus handle message retries and dead-lettering
Goes into how the system handles transient and non-transient failures through retry policies and eventual dead-lettering.
Azure Service Bus
Azure Service Bus SBMP end of life & Microsoft BizTalk Server
I see that the SBMP protocol for Azure Service Bus is going to be removed (not deprecated) in September 2026:…
Azure Service Bus
How does Azure Service Bus "Operations per second" Limit works?
The Docs at https://learn.microsoft.com/en-us/azure/service-bus-messaging/service-bus-quotas explains the different Limits/Quotas. The Quota "Operations per second" does not state which entity (e.g. Namespace, Queue) this Quota applies to. …
Azure Service Bus
Azure Function app is on TLS 1.2 and Service on TLS 1.0 , causing data loss issues
Hello!! We have been facing few data loss issues in our Prod, my observation is that our function app is running on TLS 1.2 and Service Bus still at 1.0. I have seen notifications/warnings regarding the deprecation on TLS version(1.0, 1.1) from Feb…
Azure Service Bus
why can't my azure function bind to a service bus Subscription
System.Private.CoreLib: Put token failed. status-code: 404, status-description: The messaging entity 'sb://iot-dev-asb-dataingress-sur-01.servicebus.windows.net/lane-assignment-status-changed/Subscriptions/ cat-lane-assignment-status-changed' could not…
Azure Service Bus

Service Bus connections timing out using Java SDK
We're using the Java SDK (version 1.2.8, not deprecated for another year), and experiencing a transport/connection error connecting to service bus: "org.apache.qpid.proton.engine.TransportException: connection aborted" This has suddenly started…
Azure Service Bus
Does updating max size with az servicebus topic update create downtime?
Hi, I want to update my azure service bus topic size from 1 gb to 4 gb . It is in premium tier service. If I do that in high traffic hours does it create any downtime?
Azure Service Bus
Schedule messages not triggeeing at expected time
Iam using azure service bus (Standard tier) with scheduled enqueuetimeUtc to send delayed messages. However, some messages are not processed exactly at the scheduled time and show noticeable delays. The azure.messaging.servicebus SDK in a .NET…
Azure Service Bus
How to configure service bus connection string?
I'm a new developer with Azure SDK development, I'd like to collect the detail like how to configure Azure Service Bus step-by-step. Could you also write a sample code for Azure function which is triggered by service bus queue in C#?
Azure Service Bus
Getting no response to the Service Bus API
Azure Service Bus API requests are timing out using the Java SDK
Azure Service Bus
azure ManagedIdentity unauthorized exception for initial requests but after some time it automatically resolved.
We recently migrated azure services to use Managed Identity for Authentication, azure ManagedIdentity unauthorized exception for initial requests but after some time it automatically resolved.
Azure Service Bus
timeout issue with connecting to Azure service bus
Azure service bus had suddenly gone idle and was returning a serviceBus timeout to the Webapp. Can Support please get in touch with me and I could show the whole stack trace and also metrics involved, so that we can round out the issue and see what…
Azure Service Bus
Azure service bus premium - connectivity issue
After creating Azure service bus (premium tier) with Local auth disabled i.e. only RBAC is allowed, we tried below connectivity methods , however encountered issues : All networks enabled - successfully received response as public service namespace …
Azure Service Bus
How to handle records those are get rejected because of Primary Key Violation in Azure SQL
I am using Function App to insert records to Azure SQL. May someone please suggest how can I handle bad records which are not able to insert in Azure SQL due to Primary Key Violation. I am trying to redirect those bad records to error table. Can someone…
Azure Service Bus
azure private dns zone: public name resolution is not being intercepted
Hi all. Setup I have a vnet with multiple subnets, one for private endpoints, one for a APIM. APIM is fully vnet integrated in developer Tier (stv2.1). I want to do requests against a Service Bus Namespace (Premium) within one APIM API. All subnets have…
Azure Service Bus


Service Bus connection for Canada Central Namespace routes to Slovakia first, so is rejected by Corp firewall
Target FQDN / Service Bus namespace: SBNS-<redacted>.servicebus.windows.net Before connecting to Canada Central endpoint, client-side app attempting to connect from customer network appears to first connect to Slovakia addresses (91.228.166.96,…
Azure Service Bus
Azure service bus - delete DLQ message through portal
I want to move message from DLQ to main queue thru portal BUT it should also get deleted from DLQ at the same time. I tried it through portal, it's moving message from DLQ to main queue but copy is still retain in DLQ. Is it possible through azure…