BatchPool - AuthenticationErrorDetail The specified type of authentication SharedKey is not allowed when external resources of type Network are linked

Question

Getting error while creating Azure Batch Pool with private network configuration.

BatchClient bClient = BatchClient.Open(new BatchSharedKeyCredentials(batchUri, accountName, accountKey));
PoolSpecification poolSp = new PoolSpecification();
poolSp.NetworkConfiguration = new NetworkConfiguration
                        {
                            SubnetId = "/subscriptions/{0}/resourceGroups/{1}/providers/{2}/virtualNetworks/{3}/subnets/{4}"
                        };

Getting errors when creating job

await job.CommitAsync();

Exception: Microsoft.Azure.Batch.Protocol.Models.ErrorMessage - AuthenticationFailed AuthenticationErrorDetail: The specified type of authentication SharedKey is not allowed when external resources of type Network are linked.

Answer 1

After research, I found that it is mandatory to use AAD authentication when using VNET. The reason is when using a shared key, the key doesn't have permission to access Network resources.

You can read the article mentioned in Authenticate Batch service solutions with Active Directory.