Azure Digital Twins
An Azure platform that is used to create digital representations of real-world things, places, business processes, and people.
224 questions
1 answer
Azure Digital Twins APIs is not working with DefaultAzureCredential authentication method as described in the tutorial
I was following the Coding with the Azure Digital Twins APIs tutorial. I have prepared an Azure Digital Twins instance as described by the tutorial. This is my role - This is my Azure Digital Twins instance - This is my access permissions…
asked 2021-01-18T15:22:15.13+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(224.00000000000003, 39%, 31%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EEK%3C/text%3E%3C/svg%3E)
Ehsanul Karim
1
Reputation point
commented 2021-01-30T02:43:12.257+00:00
António Sérgio Azevedo
7,666
Reputation points Microsoft Employee
1 answer
One of the answers was accepted by the question author.
401 Unauthorized Error
I am trying to learn the Azure Digital Twins , but I have encountered problems in the learning process. I refer to the documentation: https://learn.microsoft.com/en-us/azure/digital-twins/how-to-use-postman ![60739-azure-access-token.png][1] { …
![](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(256, 82%, 34%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EL%3C/text%3E%3C/svg%3E)
1 answer
One of the answers was accepted by the question author.
Events received before digital twin gets updated
We have a digital twin on Azure and an event routing on property Updates to an evethub. Then I have a console app reading from that event hub and querying the digital twin service for the node that is updated each time a message is received. The…
asked 2021-01-15T15:53:33.847+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(60.8, 10%, 15%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EGK%3C/text%3E%3C/svg%3E)
Gökhan Kurt
106
Reputation points
commented 2021-01-26T07:01:07.703+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(54.400000000000006, 38%, 15%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EQ%3C/text%3E%3C/svg%3E)
QuantumCache
20,261
Reputation points
1 answer
Differente between AppendAddOp and AppendReplaceOp
Azure.DigitalTwins.Core.Serialization.UpdateOperationsUtility contains two methods AppendAddOp and AppendReplaceOp. As far as i see Add behaves exactly like Replace Add method you would expect it to add the path as well as value but it will…
asked 2020-11-10T10:54:40.047+00:00
Gökhan Kurt
106
Reputation points
commented 2021-01-14T13:23:58.613+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(220.8, 81%, 31%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EKG%3C/text%3E%3C/svg%3E)
Kurt, Gökhan
1
Reputation point
2 answers
One of the answers was accepted by the question author.
Load model: 403: Service Request Failed (Forbidden)
When attempting to login to upload a model to ADT, I run into an error stating, "Load model: 403: Service request failed. Status 403 (Forbidden). I did some searching on the internet and it says I do not have the proper permissions to complete the…
asked 2020-09-27T23:07:57.68+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, 79%, 16%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ER%3C/text%3E%3C/svg%3E)
Ronannnn
36
Reputation points
commented 2021-01-08T15:59:48.947+00:00
QuantumCache
20,261
Reputation points
1 answer
One of the answers was accepted by the question author.
Interoperateability with BrickSchema RDF/Turtle
Is there any deeper information on support for RDF/Turtle available?
asked 2021-01-07T13:41:56.73+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, 37%, 28%)' 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)
ghildebrand
26
Reputation points
commented 2021-01-08T12:33:51.097+00:00
ghildebrand
26
Reputation points
1 answer
what i lost when don't use digital twins feature ?
what i lost when don't use digital twins feature ?
asked 2020-12-19T21:13:41.52+00:00
Ahmed Assad
266
Reputation points
commented 2020-12-23T16:21:01.78+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(214.4, 74%, 30%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EAM%3C/text%3E%3C/svg%3E)
AshokPeddakotla-MSFT
30,516
Reputation points
1 answer
One of the answers was accepted by the question author.
how to connect any ready physical device to iot hub ?
any many cases , I have different real devices and I want connect it to azure . how do this task ? I know that is based on device itself but I mean in general how to edit on it to do that ...
asked 2020-12-20T11:00:51.18+00:00
Ahmed Assad
266
Reputation points
commented 2020-12-21T06:16:49.507+00:00
Ahmed Assad
266
Reputation points
2 answers
Integrating modelId from Azure Digital Twin into Time Series Insights
Hi there, What I'm currently trying to get my head around is the ability to integrate the model Id from an Azure Digital Twin instance within Time Series Insights. I understand that Time Series Insights (Gen2) accepts the datatype of a string,…
asked 2020-11-27T15:33:16.02+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, 79%, 28%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EMK%3C/text%3E%3C/svg%3E)
Matas Kaucikas
21
Reputation points
commented 2020-12-14T15:55:11.033+00:00
António Sérgio Azevedo
7,666
Reputation points Microsoft Employee
1 answer
One of the answers was accepted by the question author.
Is there a way to update telemetry type in a twin?
Hello Team, I am a beginner in Azure digital twin world. I was trying to read telemetry data from IoT device and want to assign it to a twin of type telemetry, but that is not working. When I keep the type as property in that twin this it works. …
asked 2020-12-11T07:04:12.897+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(265.6, 41%, 35%)' 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)
Amith R Koradakeri
21
Reputation points
commented 2020-12-11T13:00:19.847+00:00
Matthijs van der Veer
4,376
Reputation points MVP
2 answers
Digital twin room temperature 0
I used the end-to-end solution documentation to create my digital twin and at the end stage I am supposed to see the same telemetry for the thermostat and the room, I get value 0 for the room as you can see in the image below. The actual output…
asked 2020-08-07T14:53:43.96+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(160, 42%, 25%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ERD%3C/text%3E%3C/svg%3E)
Rohan Deshamudre
11
Reputation points
commented 2020-11-29T10:33:56.347+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(172.8, 95%, 26%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EKV%3C/text%3E%3C/svg%3E)
Kevin Villalobos
46
Reputation points
1 answer
How to create array of objects using DTDL?
I have DTDL model similar to below. How I can store lat,long array of locations using objects. Is there a support in DTDL to accept array of objects? Or what is the alternate way to provide array of objects. { "@id":…
asked 2020-10-28T07:49:07.75+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(76.8, 16%, 17%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EH%3C/text%3E%3C/svg%3E)
Harish
26
Reputation points
commented 2020-11-25T00:50:23.103+00:00
QuantumCache
20,261
Reputation points
1 answer
One of the answers was accepted by the question author.
Can a device create or update its device template over MQTT
Does IoT Central support a device to create and publish its own device template over an MQTT connection (or even HTTP) before it starts sending any data conforming to that template? If creation from the device side over MQTT is not supported, is it at…
asked 2020-11-02T08:10:22.183+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(153.6, 28.999999999999996%, 24%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ESA%3C/text%3E%3C/svg%3E)
Suresh, Albin
36
Reputation points
accepted 2020-11-02T17:17:21.727+00:00
Suresh, Albin
36
Reputation points
2 answers
Azure Digital Twins free trial
I want to try Azure Digital Twins service to see how it works, but I always get the message "The Azure free account is only available to new customers. You've previously signed up with this email address, but you can keep going with a…
asked 2020-09-25T12:18:20.28+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, 30%, 18%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EPC%3C/text%3E%3C/svg%3E)
Pedro Costa
1
Reputation point
commented 2020-10-21T01:48:26.157+00:00
QuantumCache
20,261
Reputation points
1 answer
One of the answers was accepted by the question author.
Coding with the Azure Digital Twins APIs Tutorial - Invalid Client Error
Running through the following tutorial here; https://learn.microsoft.com/en-us/azure/digital-twins/tutorial-code When I got to the Upload a Model section, I received the following error; Azure.Identity.AuthenticationFailedException:…
asked 2020-09-15T20:38:06.7+00:00
Peter Gallagher
21
Reputation points MVP
commented 2020-09-22T19:39:05.02+00:00
QuantumCache
20,261
Reputation points
1 answer
One of the answers was accepted by the question author.
Azure Digital Twins - Unable to move past the "process simulated telemetry from an IoT Hub device" section
Hello, I am following this tutorial https://learn.microsoft.com/en-us/azure/digital-twins/tutorial-end-to-end line by line and can't seem to get past the "Process simulated telemetry from an IoT Hub device" section, especially when I run…
asked 2020-09-22T01:36:53.59+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(310.4, 88%, 40%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EKC%3C/text%3E%3C/svg%3E)
Kunal Chitre
31
Reputation points
commented 2020-09-22T18:41:52.267+00:00
QuantumCache
20,261
Reputation points
1 answer
I have a problem on the tutorial "Explore Azure Digital Twins with a sample client app"
Can someone help me please!?!? I have a problem on the tutorial "Explore Azure Digital Twins with a sample client app"to the point "Get started with the command-line app" when I run the Simpleclient app the command prompt shows me…
asked 2020-09-01T14:37:07.453+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, 62%, 40%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EPM%3C/text%3E%3C/svg%3E)
PIERANDREI MARCO
1
Reputation point
commented 2020-09-11T17:29:25.993+00:00
QuantumCache
20,261
Reputation points
1 answer
Azure Digital Twin Sample Code Error : AADSTS50011
Hi, I have been working with this sample code: https://learn.microsoft.com/en-us/samples/azure-samples/digital-twins-samples/digital-twins-samples/ specifically with the AdtSampleApp project. I have been following the instructions for…
asked 2020-08-18T16:14:38.287+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, 65%, 10%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EJ%3C/text%3E%3C/svg%3E)
jefftblumenthal
1
Reputation point
commented 2020-08-27T00:45:28.197+00:00
QuantumCache
20,261
Reputation points
1 answer
Prevent ADT Code Shell from Automatically Connecting to Resource Group?
I am attempting my first ADT and I incorrectly tried to create my own named resource group. Now every time I attempt to run ./deploy.ps1, it throws me an error stating, "Resource Group Not Found". Is there a way to remedy this?
asked 2020-08-13T18:48:51.937+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, 66%, 31%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EM%3C/text%3E%3C/svg%3E)
Michael
1
Reputation point
commented 2020-08-27T00:38:03.333+00:00
QuantumCache
20,261
Reputation points
1 answer
One of the answers was accepted by the question author.
IOT Hub thermostat shows values 0 when run in the sample client dmeo
I was following the digital twins end to end scenario(https://learn.microsoft.com/en-us/azure/digital-twins/tutorial-end-to-end) and whilst following the demo, after the creation of the client application and the IOT Hub, the DeviceSimulator file shows…
asked 2020-08-06T13:12:58.777+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(35.2, 67%, 13%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ENP%3C/text%3E%3C/svg%3E)
Nikunj Phutela
86
Reputation points
commented 2020-08-20T05:32:11.42+00:00
Nikunj Phutela
86
Reputation points