Azure Container Apps

2 answers

Microsoft.App/containerApps/authConfigs PUT rejects valid 32-byte base64 secret with ContainerAppAuthEncryptionSecretInvalid (UI-only)

Hi, Posting from a Developer-support-plan subscription — happy to share the subscription ID by DM if it helps with prioritisation routing. We have three Container Apps (call them auth-ca, mongoapi-ca, ui-ca) in the same Container Apps Environment, same…

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Simon Horn 0

commented

Rakesh Mishra 8,505 Microsoft External Staff Moderator

1 answer

Apps data in az cli and portal not reflecting actual state

I have an environment running healthy, but the apps, which are running show no config, and as if they’re stopped. I can’t lose the config as some encryption keys rotate if the config changes which would invalidate a portion of the data, Portal UI is…

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Lucas 0

commented

Lucas 0

0 answers

Blue/Green Deployment Strategy for .NET Aspire + Azure Container Apps + Azure Developer CLI

We have a production environment built using .NET Aspire, deployed to Azure Container Apps (ACA). Our deployments are primarily done through a CI/CD pipeline configured using azd pipeline config (Azure Developer CLI generated pipeline). As a fallback…

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Faisal Riaz 125

commented

Pravallika KV 14,640 Microsoft External Staff Moderator

2 answers

Azure container app outbound address

I have a container app with multiple outbound IP addresses (Container app -> Overview -> Properties -> Networking -> Outbound Ip Adresses) This container app accesses a key vault to extract secrets When looking in the key vault insights I can…

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Assaf L 0

commented

Siddhesh Desai 6,635 Microsoft External Staff Moderator

0 answers

Transient outage on Container Apps hosted YARP reverse proxy – suspected SNAT exhaustion

We experienced a 13-minute availability outage on Sunday morning (03/05/2026, 04:44–04:57 UTC) affecting a YARP reverse proxy hosted on an Azure Container App routing through to a App Service, and I'm looking for help confirming the suspected root…

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Conor Sheehan 0

commented

Pravallika KV 14,640 Microsoft External Staff Moderator

2 answers

Can Azure Container Apps receive UDP packets?

Hiya, To provide a bit of context, I'm running an Azure Container Apps environment containing two ACAs. One ACA is used for the web application, and the other is solely used for processing jobs from a queue. The jobs being processed are queries to an…

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Nathan Baker 0

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Nathan Baker 0

2 answers

DNS resolution failure in new Container App revisions

Hi, We're unable to deploy new revisions to our Container App app-dev. All newly created revisions fail with Temporary failure in name resolution for every hostname (Azure services and public internet). Older revisions in the same environment work…

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Serhii Boiko 45

commented

Praveen Kumar Gudipudi 2,285 Microsoft External Staff Moderator

1 answer

Dynamic Sessions consumption profile only accepts 1 vCPU/2 GiB despite documented 0.25–2 vCPU and 0.5–4 GiB range

We’re configuring an Azure Dynamic Sessions pool on a consumption profile. Documentation and portal validation indicate the supported range is: vCPU: 0.25 to 2 Memory: 0.5 GiB to 4 GiB But in practice, only 1 vCPU / 2 GiB is accepted. Any other…

asked

SOFIA YANG 20 Microsoft Employee

accepted

SOFIA YANG 20 Microsoft Employee

3 answers

Failure to create MCP-enabled Container Apps Session Pool

Using Bicep, Terraform, or ARM (as shown below with API version 2025-10-02-preview; the only version that seems to support the mcpServerSettings property) to create a Session Pool does not work. The mcpServerSettings property is consistently null in the…

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Thomas Gandy 0

commented

Venkatesh Kudkyal 0 Microsoft External Staff Moderator

1 answer

Container App Functions — Event Hub KEDA Scale Rules Not Auto-Generated

Azure Container App Functions (kind: functionapp) fails to auto-generate KEDA scale rules for Event Hub triggers, while simultaneously blocking manual configuration of scale rules via CLI, ARM API, and the Azure Portal. This results in the function app…

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Keith Doran 0

answered

Siddhesh Desai 6,635 Microsoft External Staff Moderator

2 answers

Failed to provision revision for container app because unauthorized

Here is the exact error: Failed to provision revision for container app '--------'. Error details: The following field(s) are either invalid or missing. Field 'template.containers.--------.image' is invalid with details: 'Invalid value:…

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Ryan Thomas 20

edited an answer

Praveen Kumar Gudipudi 2,285 Microsoft External Staff Moderator

2 answers

Error when deploying an Azure Container App image: Selected tag uses an invalid operating system ''

I am getting the following error when creating a container app from an image in ACR: Selected tag uses an invalid operating system ''. Below is the full Dockerfile used to create the image that is pushed it to ACR. I have tested the image in Docker…

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Ian Corera 25

commented

hjs.kwon 0

1 answer

We use Azure Container Apps (ACA) with Azure Files mounts to serve Neo4j graph databases. The ACA ARM API requires a storage account key to register file share mounts — there is no managed identity or Entra ID alternative. This blocks us from setting `all

Background We use Azure Container Apps (ACA) with Azure Files mounts to serve Neo4j graph databases. The ACA ARM API requires a storage account key to register file share mounts — there is no managed identity or Entra ID alternative. This blocks us from…

asked

Dylan Rodriguez Barboza 20 Microsoft Employee

accepted

Dylan Rodriguez Barboza 20 Microsoft Employee

2 answers

Custom DNS Causing Storage Account Connectivity Failure in Azure Container Apps

We are facing an issue when configuring custom DNS servers in a VNet used by Azure Container Apps. When using Azure default DNS, everything works fine. However, after switching to custom DNS servers, calls to the Storage Account (Table service) fail with…

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Sharma, Ritika 345

answered

Siddhesh Desai 6,635 Microsoft External Staff Moderator

1 answer

Can't generate managed certificate for Azure Container app Environment

Hello, Failed to generate managed certificate for Azure Container App Environment. It's failed in 2-3 hours of pending state.

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avenuce 60

accepted

avenuce 60

1 answer

Failed to deploy new revision- Failed to provision revision for container app . Error details: Operation expired.

Hello I have container app environment with containers. I faced this issue with certificate and still can resolve it…

asked

avenuce 60

accepted

avenuce 60

1 answer

Managed certificated was not rotated automatically

Hello why this happened? certificated not autorotated. We spent more than 1 hour to recreate it because it takes up to 45 min to generate/delete certificate.

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avenuce 60

accepted

avenuce 60

2 answers

Hi, I want to ask about version confusion!

In this doc https://learn.microsoft.com/en-us/dotnet/core/docker/build-container?tabs=linux&pivots=dotnet-10-0, I noticed that the version in the chosen tab is .NET 10 but in the example using .NET9 Is it a mistake or on purpose? Thank you

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Phung Thai Bao 20227189 0

commented

Siddhesh Desai 6,635 Microsoft External Staff Moderator

2 answers