Azure Event Grid
An Azure event routing service designed for high availability, consistent performance, and dynamic scale.
478 questions
1 answer
Errors when adding a MQTT custom domain to an Event Grid Namespace
An error is always received when using the Azure Management Portal to add a custom MQTT domain to an Event Grid Namespace using a Key Vault certificate with access granted through a System Managed Identity. I have set the System identity access for…
Azure Event Grid
asked 2025-10-16T03:29:32.44+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(176, 27%, 27%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EA%3C/text%3E%3C/svg%3E)
Andy
0
Reputation points
edited an answer 2025-10-31T06:37:47.9233333+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(41.6, 65%, 14%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EPK%3C/text%3E%3C/svg%3E)
Pravallika KV
485
Reputation points Microsoft External Staff
Moderator
1 answer
What is the official and up-to-date list of root CA certificates that we can trust for Azure services (especially Event Grid)?
We are Azure customers and are integrating embedded (IoT) devices that connect to the Event Grid service. To ensure operational continuity, we need absolute clarity about which root CA certificates are used by Azure for service endpoints (e.g., Event…
Azure Event Grid
Azure Event Grid
An Azure event routing service designed for high availability, consistent performance, and dynamic scale.
478 questions
asked 2025-10-16T11:51:16.5333333+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(128, 61%, 22%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EES%3C/text%3E%3C/svg%3E)
Embbeded System Developer
0
Reputation points
edited an answer 2025-10-18T09:42:56.01+00:00
Nathan Roberts (SN)
7,836
Reputation points
Volunteer Moderator
1 answer
One of the answers was accepted by the question author.
Unable to create System Topic in Event Grid due to Unable to verify access to resource
Trying to create a system topic for Azure Communication Service either from the portal or using az cli using this: az eventgrid system-topic create -g <rg name> --name inboundcalls --location global --topic-type…
Azure Event Grid
Azure Event Grid
An Azure event routing service designed for high availability, consistent performance, and dynamic scale.
478 questions
asked 2025-10-06T00:48:02.24+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(281.6, 91%, 37%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EMI%3C/text%3E%3C/svg%3E)
Mathieu Isabel
20
Reputation points
accepted 2025-10-17T00:22:17.2666667+00:00
Mathieu Isabel
20
Reputation points
1 answer
How to make sure the message go into the Blob Queue
I have created a Event Subscription with messages coming in . But for some reason there's nothing in the end point blob queue. May i know why?
Azure Event Grid
Azure Event Grid
An Azure event routing service designed for high availability, consistent performance, and dynamic scale.
478 questions
asked 2025-10-02T07:59:26.51+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(249.60000000000002, 92%, 34%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ERL%3C/text%3E%3C/svg%3E)
Roger Leung (SUP)
0
Reputation points
answered 2025-10-10T01:28:45.3666667+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(73.60000000000001, 77%, 17%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ERM%3C/text%3E%3C/svg%3E)
Rakesh Mishra
2,265
Reputation points Microsoft External Staff
Moderator
1 answer
Clarification on Using Microsoft Entra ID for MQTT Authentication with Azure Event Grid
Can Microsoft Entra ID be used as a valid authentication mechanism for publishing MQTT messages to Azure Event Grid via JWT (access token)? If yes, could you clarify the token acquisition flow and required scopes? Are there specific constraints or…
Azure Event Grid
Azure Event Grid
An Azure event routing service designed for high availability, consistent performance, and dynamic scale.
478 questions
asked 2025-10-08T20:01:46.58+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(313.6, 53%, 40%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EMD%3C/text%3E%3C/svg%3E)
Malik, Deepankar
25
Reputation points
answered 2025-10-08T21:32:52.37+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(233.6, 85%, 32%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EVS%3C/text%3E%3C/svg%3E)
VEMULA SRISAI
1,625
Reputation points Microsoft External Staff
Moderator
1 answer
Disable mTLS on Event Grid Namespaces port 443 for MQTT
Typically when using MQTT via a WebSocket mTLS based authentication would not be appropriate. However, because mTLS is enabled Firefox will pop up a Window requesting to select or cancel the client certificate selection. I'd like to cancel and use JWT…
Azure Event Grid
Azure Event Grid
An Azure event routing service designed for high availability, consistent performance, and dynamic scale.
478 questions
asked 2025-10-03T06:16:09.2033333+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(233.6, 69%, 32%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EHL%3C/text%3E%3C/svg%3E)
Hunter Laux
10
Reputation points
commented 2025-10-08T01:22:13.94+00:00
Rakesh Mishra
2,265
Reputation points Microsoft External Staff
Moderator
0 answers
How to retrieve file metadata from Azure Blob in Event Grid Notifications or API?
We have an existing AppExchange app integrating Salesforce with Azure Blob Storage and need guidance on retrieving file metadata when working with Azure Event Grid Notifications or APIs. Scenario File with metadata uploaded to Azure Blob: Does…
Azure Event Grid
Azure Event Grid
An Azure event routing service designed for high availability, consistent performance, and dynamic scale.
478 questions
asked 2025-01-21T07:39:17.67+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(217.60000000000002, 0%, 31%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ECM%3C/text%3E%3C/svg%3E)
Chirag Mehta
10
Reputation points
commented 2025-10-07T13:11:31.1866667+00:00
Chirag Mehta
10
Reputation points
0 answers
Internal server error while adding Event Grid Namespace Custom MQTT Domain
I did remove a previous added custom domain, and want to add the same domain with other key vault certificate and get this error: Custom domain addition failed with error: "The operation failed due to an internal server error. The initial state of…
Azure Event Grid
Azure Event Grid
An Azure event routing service designed for high availability, consistent performance, and dynamic scale.
478 questions
asked 2025-09-25T20:09:00.8333333+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(102.4, 27%, 19%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ESS%3C/text%3E%3C/svg%3E)
Stijn Stragier
0
Reputation points
commented 2025-09-26T06:59:23.3666667+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(67.2, 54%, 16%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EHB%3C/text%3E%3C/svg%3E)
Harish Badijana
320
Reputation points Microsoft External Staff
Moderator
1 answer
How to have event grid trigger OAuth Secured Webhook
I need detailed instructions on how to have Event Grid Subscription trigger OAuth secured webhook using system assigned identity instead of client secret
Azure Event Grid
Azure Event Grid
An Azure event routing service designed for high availability, consistent performance, and dynamic scale.
478 questions
asked 2025-08-29T04:43:20.2266667+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(41.6, 61%, 14%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EDB%3C/text%3E%3C/svg%3E)
Duncan, Brandon
6
Reputation points
edited a comment 2025-09-26T03:10:59.46+00:00
Rakesh Mishra
2,265
Reputation points Microsoft External Staff
Moderator
2 answers
I'm getting Delivery failed for my event subscription..
I have an event subscription that trigger an azure function.. But, I'm getting Delivery failed for my event subscription.
Azure Event Grid
Azure Event Grid
An Azure event routing service designed for high availability, consistent performance, and dynamic scale.
478 questions
asked 2025-08-21T12:53:13.6066667+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(252.8, 44%, 34%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EKD%3C/text%3E%3C/svg%3E)
Karthika D (VALOREM LLC)
0
Reputation points Microsoft External Staff
answered 2025-09-22T15:05:43.2433333+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(182.40000000000003, 77%, 27%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EPK%3C/text%3E%3C/svg%3E)
Praveen Kumar Gudipudi
1,080
Reputation points Microsoft External Staff
Moderator
1 answer
Deploying Event Subscription fails when the endpoint is an Azure Function
I recently added an azure function to an existing web app. (~2 hours ago). Azure must be seeing it as when I select "Azure Function" as the endpoint details the dropdowns auto populate the values of my sub, RG, function name etc. However, when…
Azure Event Grid
Azure Event Grid
An Azure event routing service designed for high availability, consistent performance, and dynamic scale.
478 questions
asked 2025-09-16T01:54:17.9766667+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(67.2, 73%, 16%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ERS%3C/text%3E%3C/svg%3E)
Robert Simons
0
Reputation points Microsoft Employee
answered 2025-09-16T03:04:18.3833333+00:00
Jerald Felix MCT
8,230
Reputation points
1 answer
Azure Event Grid System Topic Deployment Fails with Maintenance Configuration Source — Anyone Else Experiencing This?
Hi all, I'm running into a consistent issue when trying to deploy an Event Grid System Topic using a Maintenance Configuration as the source in Azure. The deployment fails with the following error: Creation of System Topic has failed with error: Unable…
Azure Event Grid
Azure Event Grid
An Azure event routing service designed for high availability, consistent performance, and dynamic scale.
478 questions
asked 2025-08-27T12:20:54.3566667+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(9.6, 25%, 10%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EJM%3C/text%3E%3C/svg%3E)
Jeroen Monnens
20
Reputation points
answered 2025-09-15T13:05:50.77+00:00
Jeroen Monnens
20
Reputation points
2 answers
One of the answers was accepted by the question author.
How to broadcast to device groups with Event Grid MQTT when clients don’t know their own attributes?
Hi, I’m evaluating Azure Event Grid MQTT (preview) for a large IoT deployment, and I’ve run into a design challenge that I can’t resolve with the current documentation. My setup I have many physical devices and device groups (> 10). Physical…
Azure Event Grid
Azure Event Grid
An Azure event routing service designed for high availability, consistent performance, and dynamic scale.
478 questions
asked 2025-08-28T12:11:41.7066667+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(169.60000000000002, 49%, 26%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EN2%3C/text%3E%3C/svg%3E)
NicholasDyhre-2538
25
Reputation points
accepted 2025-09-12T12:06:22.6633333+00:00
NicholasDyhre-2538
25
Reputation points
2 answers
Azure Event Grid System Topic will not deploy - unable to verify access to resource
Trying to create a storage acocunt and an event grid system topic as per: resource "azurerm_storage_account" "storage" { name = "REDACTED" resource_group_name = "REDACTED" location …
Azure Event Grid
Azure Event Grid
An Azure event routing service designed for high availability, consistent performance, and dynamic scale.
478 questions
asked 2025-09-11T11:41:18.64+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(150.4, 66%, 24%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EG%3C/text%3E%3C/svg%3E)
gsouf
0
Reputation points
answered 2025-09-12T03:47:24.7666667+00:00
Praveen Kumar Gudipudi
1,080
Reputation points Microsoft External Staff
Moderator
2 answers
One of the answers was accepted by the question author.
Internal Server Error while creating a EventGrid Namespace subscription in Push delivery mode
I’m trying to create an EventGrid Namespace subscription in Push delivery mode, but I encountered the following error. However, I can create a subscription in Queue mode without any issues. Could you help me understand what’s causing this error? │``…
Azure Event Grid
Azure Event Grid
An Azure event routing service designed for high availability, consistent performance, and dynamic scale.
478 questions
asked 2025-08-26T06:20:34.56+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(150.4, 77%, 24%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EGP%3C/text%3E%3C/svg%3E)
Guru Pasupathy
20
Reputation points
accepted 2025-09-10T21:28:41.97+00:00
Guru Pasupathy
20
Reputation points
2 answers
HTTP Publish of MQTT messages returning 404 error
Testing the HTTP Publish feature for MQTT messages, currently in public preview, results in multiple issues. Following the steps outlined in the HTTP Publish of MQTT messages with Azure Event Grid documentation: Running the command az account…
Azure Event Grid
Azure Event Grid
An Azure event routing service designed for high availability, consistent performance, and dynamic scale.
478 questions
asked 2025-08-28T20:12:47.94+00:00
Jonas
21
Reputation points
commented 2025-09-03T05:25:22.66+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(89.60000000000001, 77%, 18%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ESP%3C/text%3E%3C/svg%3E)
Sai Prabhu Naveen Parimi
3,960
Reputation points Microsoft External Staff
Moderator
2 answers
One of the answers was accepted by the question author.
Post HTTP messages to a MQTT TopicSpace in Event Grid Namespace
Is it possible to post messages to a TopicSpace in Event Grid Namespace? We would like to publish messages to MQTT TopicSpace on the Event Grid Namespace from an Azure Logic App, which can then be consumed by subscribers: When trying the following…
Azure Event Grid
Azure Event Grid
An Azure event routing service designed for high availability, consistent performance, and dynamic scale.
478 questions
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(67.2, 43%, 16%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EB%3C/text%3E%3C/svg%3E)
1 answer
One of the answers was accepted by the question author.
What is the Azure Event Grid pricing for KeepAlive related messages?
A common pattern when using MQTT is to send continuous PingReq messages within a defined Keep-Alive interval. How are PingReq-type messages billed?
Azure Event Grid
Azure Event Grid
An Azure event routing service designed for high availability, consistent performance, and dynamic scale.
478 questions
1 answer
I cannot create a system topic event subscription after re-creating the storage account and system topic.
My goal is to use event grid to send an event to an azure function whenever a file has been created in blob storage. Every resource is in the same resource group, one for each environment. I am using bicep to deploy our resources, and the following is…
Azure Event Grid
Azure Event Grid
An Azure event routing service designed for high availability, consistent performance, and dynamic scale.
478 questions
asked 2025-08-18T09:26:09.2733333+00:00
Robert Vedin
20
Reputation points
commented 2025-08-28T09:24:45.0866667+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(236.8, 56.00000000000001%, 32%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EPK%3C/text%3E%3C/svg%3E)
Pashikanti Kumar
1,160
Reputation points Microsoft External Staff
Moderator
1 answer
ventGrid to Service Bus subscription fails with internal server error in Switzerland North
I have Azure Developer Support and need help with EventGrid subscription creation failing with internal server errors. Environment Subscription: 041e3b12-1c32-468a-8386-53833397e791 Region: Switzerland North Resource Group: rg-lentinis-cms Support…
Azure Event Grid
Azure Event Grid
An Azure event routing service designed for high availability, consistent performance, and dynamic scale.
478 questions
asked 2025-08-22T08:37:43.93+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(192, 36%, 28%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EAR%3C/text%3E%3C/svg%3E)
Adrian Ruchti
20
Reputation points
commented 2025-08-22T13:11:31.18+00:00
Adrian Ruchti
20
Reputation points