How to fix "state: NotValidated" in result of "az webapp config storage-account list"

Question

I want to mount Azure Files to Azure App Service.

Additionally, I want to connect to Azure Files from App Service through a service endpoint.

Azure App Service is configured with VNET integration.

I have allowed the VNET and subnet configured in VNET integration through the Storage firewall and set up a service endpoint.

With this configuration, I have mounted Azure Files in Storage to App Service.

However, when I run az webapp config storage-account list with Azure CLI, I get the following response.

[
  {
    "name": "azure-files-mount",
    "slotSetting": false,
    "value": {
      "accessKey": "my-access-key",
      "accountName": "mystorage",
      "mountPath": "/mounts/share1",
      "shareName": "share1",
      "state": "NotValidated",
      "type": "AzureFiles"
    }
  }
]

Please tell me the solution to set the state to OK.

Answer 1

Hello @Yasuhisa Shimamura

To troubleshoot your issue, please first check limitations:

• Storage firewall is supported only through service endpoints and private endpoints (when VNET integration is used).
• Azure Storage is not supported with Docker Compose Scenarios
• Only Azure Files SMB are supported. Azure Files NFS is not currently supported for Linux App Services.
• When VNET integration is used, ensure the following ports are open: Azure Files: 80 and 445.
• Check if there are duplicate connections

If above limitations are not related to your case try

• Ensure that the storage account and the App Service are located in the same region.
• Check firewall settings or try to enable all traffic
• Make sure that the "Allow access from" option is set to "Selected networks" and that the appropriate VNet and subnet are added to the "Virtual networks" list.
• Test the mounted storage. Open SSH session to App Service and execure df -h
  Check latency or general reachability of the storage mount with the following command:
  tcpping <Storageaccount>.file.core.windows.net

https://learn.microsoft.com/en-us/azure/app-service/configure-connect-to-azure-storage?tabs=portal&pivots=container-linux