malformed token exception from azure provisioning service

Question

I followed the exact steps in https://docs.microsoft.com/en-us/azure/iot-dps/tutorial-net-provision-device-to-hub to register the device.

I am getting "malformed token" exception.

Here is the code from above link

    private const string SampleRegistrationId = "sample-individual-csharp";
    private const string SampleTpmEndorsementKey =
            "****"; //Key from Azure portal
    private const string OptionalDeviceId = "myCSharpDevice";
    private const ProvisioningStatus OptionalProvisioningStatus = ProvisioningStatus.Enabled;


   static async Task SetRegistrationDataAsync()
    {
        Console.WriteLine("Starting SetRegistrationData");

        Attestation attestation = new TpmAttestation(SampleTpmEndorsementKey);

        IndividualEnrollment individualEnrollment = new IndividualEnrollment(SampleRegistrationId, attestation);

        individualEnrollment.DeviceId = OptionalDeviceId;
        individualEnrollment.ProvisioningStatus = OptionalProvisioningStatus;

        Console.WriteLine("\nAdding new individualEnrollment...");
        var serviceClient = ProvisioningServiceClient.CreateFromConnectionString(ServiceConnectionString);

        IndividualEnrollment individualEnrollmentResult =
            await serviceClient.CreateOrUpdateIndividualEnrollmentAsync(individualEnrollment).ConfigureAwait(false);

        Console.WriteLine("\nIndividualEnrollment created with success.");
        Console.WriteLine(individualEnrollmentResult);
    }

Michael Xu - MSFT Michael Xu - MSFT · Accepted Answer · 2018-05-10T02:17:27

I think you used the connection string in incorrect format.Please note that do not contain ";" at the end of the connection string. Maybe copying the connection string from Azure Portal is a good way to avoid to use the incorrect connection string. If the error still exists, please feel free and let me know.

malformed token exception from azure provisioning service

1 Answers