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 Simulation Device - deployment to Hololens 2
Hi, Re: 'Build a 3D Scene for mixed reality in Unity'. Unable to deploy 3D scene to Hololens 2. Visual Studio 2019 DeviceSimulator.sln is running fine and connecting to MS Azure services. Expecting request for Hololens 2 pin from Visual Studio as…
asked 2022-02-11T08:10:56.373+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(70.4, 60%, 16%)' 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)
Robert Doe
51
Reputation points
commented 2022-03-10T16:04:29.37+00:00
António Sérgio Azevedo
7,666
Reputation points Microsoft Employee
1 answer
CORS Error when I query Azure ADT using Rest Api's.
This is the error I am getting Access to fetch at 'https://tagwaye-twin-instance01.api.wcus.digitaltwins.azure.net/digitaltwins/Molding?api-version=2020-10-31' from origin 'http://127.0.0.1:5500' has been blocked by CORS policy: Response to preflight…
asked 2022-02-23T11:38:43.747+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(195.2, 18%, 28%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EJJ%3C/text%3E%3C/svg%3E)
Jithin J
1
Reputation point
answered 2022-02-24T23:28:01.007+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
20,186
Reputation points
2 answers
One of the answers was accepted by the question author.
Comparison of Azure Digital Twin with Google Supply Digital Twin
Any Comparison points of Azure Digital Twin with Google Supply Digital Twin
![](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(134.4, 80%, 23%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ES%3C/text%3E%3C/svg%3E)
1 answer
One of the answers was accepted by the question author.
Unreal Engine and Azure Digital Twins integration demo - step 3
Hi, I'm having problems with Step 3 'Simulate Devices'. Have used GIT in Windows CLI to clone 'mock-devices' and 'azure-digital-twins-unreal-integration' to my root folder C:\users\rober. Have copied hvac.ts, index.ts, smartbinary.ts files between as…
asked 2022-02-07T01:36:53.557+00:00
Robert Doe
51
Reputation points
accepted 2022-02-18T01:17:15.743+00:00
Robert Doe
51
Reputation points
1 answer
Unreal Engine and Azure Digital Twins integration demo
Hi, re: GitHub repo https://github.com/Azure-Samples/azure-digital-twins-unreal-integration. I'm not getting past Step 1 from hyperlink, ‘follow these instructions’, ‘Clone repository in Could Shell’ to run the required deployment scripts. Copied…
asked 2022-01-24T23:43:12.257+00:00
Robert Doe
51
Reputation points
answered 2022-01-31T07:42:49.267+00:00
Robert Doe
51
Reputation points
1 answer
One of the answers was accepted by the question author.
Azure Digital Twin SimulationDevice dll missing
DeviceSimulator.sln download from GitHub does not include dll file in the bin, hence, debug not possible. How do I restore (from elsewhere) or find this file? This is related to this exercise on Microsoft Learn.
asked 2022-01-24T02:29:57.053+00:00
Robert Doe
51
Reputation points
accepted 2022-01-28T03:14:23.33+00:00
Robert Doe
51
Reputation points
1 answer
One of the answers was accepted by the question author.
Alerts and Calculation Logic in DTDL models
Hi, As per Microsoft documentation, we can specify properties and telemetry in DTDL. But, I want to mention Alert Conditions and Calculation Logic in DTDL models to make them configurable. Is there any way to do so?
asked 2021-12-31T12:46:13.14+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(38.4, 41%, 13%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ERP%3C/text%3E%3C/svg%3E)
Richa Prabhakar
21
Reputation points
accepted 2022-01-24T11:32:56.4+00:00
Richa Prabhakar
21
Reputation points
1 answer
Bing Maps not working in hololens build in Digital twins with Azure Digital Twins and Unity Tutorial
Hello I am doing the tutorial for "Build mixed reality digital twins with Azure Digital Twins and Unity" I have gone through the tutorial and everything works great in Unity editor at runtime in my project and the provided…
asked 2021-12-31T12:13:20.543+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(105.60000000000001, 70%, 20%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EBR%3C/text%3E%3C/svg%3E)
Ben Radcliffe
1
Reputation point
commented 2022-01-07T19:16:13.08+00:00
António Sérgio Azevedo
7,666
Reputation points Microsoft Employee
1 answer
Can we connect database with Azure Digital Twins using Logic App?
I want to check if we can use Digital Twin in a scenario which is not related to IoT or not. I've some data from an app like login data, no. of clicks on a tile. So, can I connect my storage account data to logic app or function app and then later…
asked 2021-12-02T07:15:46.08+00:00
Akash Gautam
1
Reputation point
answered 2021-12-07T09:18:11.167+00:00
MayankBargali-MSFT
69,946
Reputation points
1 answer
One of the answers was accepted by the question author.
Azure Digital Twin Modelling
Hello! I am a Ph.D. engineering student seeking to use Azure digital twin modeling for my dissertation research. What is the recommended approach for me to learn to use Azure in modeling a smart city in the Azure digital twin module?
asked 2021-11-17T18:25:46.89+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(252.8, 6%, 34%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EC9%3C/text%3E%3C/svg%3E)
ConwellWesleyL-9715
61
Reputation points
accepted 2021-11-29T05:23:24.853+00:00
ConwellWesleyL-9715
61
Reputation points
1 answer
One of the answers was accepted by the question author.
Azure Digital Twin explorer
I am unable to bring model in to the Azure Digital Twin explorer.
asked 2021-11-13T13:10:03.477+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(304, 93%, 39%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ESB%3C/text%3E%3C/svg%3E)
Sanjoy Bhattacharjee
96
Reputation points
accepted 2021-11-15T08:19:28.017+00:00
Sanjoy Bhattacharjee
96
Reputation points
1 answer
One of the answers was accepted by the question author.
Prerequisite for learning Azure Digital Twin.
What is the Prerequisite for learning Azure Digital Twin.
asked 2021-11-09T14:15:22.96+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(252.8, 12%, 34%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ESZ%3C/text%3E%3C/svg%3E)
Sanjoyb2356 z1011204
21
Reputation points
accepted 2021-11-10T06:29:03.1+00:00
Sanjoyb2356 z1011204
21
Reputation points
1 answer
Azure Digital Twin Alerts and alert notification
I am wanting to use telemetry ingestion through streaming analytics, I need to monitor events/alerts based on a already established set of functionalities. Create a place to put alerts in digital twins. and to store historic events. Approach is to…
asked 2021-10-25T02:12:33.743+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(99.2, 74%, 19%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ESS%3C/text%3E%3C/svg%3E)
sgt snuffles
1
Reputation point
commented 2021-10-25T13:56:19.653+00:00
sgt snuffles
1
Reputation point
1 answer
How to delete quickly ADT content?
We are habing trouble deleting all content of our ADT. Because of refresh of data, we need to delete all twins of our ADT. We have around 18000 twins with no relationships and when trying via ADT explorer, the query does not complete. So for now, we…
asked 2021-10-18T13:54:53.583+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(211.20000000000002, 57.00000000000001%, 30%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EAK%3C/text%3E%3C/svg%3E)
Anthony Kerfyser
6
Reputation points
commented 2021-10-21T12:29:03.467+00:00
Anthony Kerfyser
6
Reputation points
1 answer
One of the answers was accepted by the question author.
ERROR "Please double check the URL and directory"
When uploading the real estate core ontology onto the ADT platform using the ADT viewer file upload this error is observed : RestError: Sub-domain not found. at new t…
asked 2021-10-07T13:55:41.677+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(179.20000000000002, 10%, 27%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EAP%3C/text%3E%3C/svg%3E)
Ananth Padakannaya
106
Reputation points
accepted 2021-10-07T16:30:56.367+00:00
Ananth Padakannaya
106
Reputation points
3 answers
Not able to connect twin url in azure digital twin explorer
I am trying to connect my twin instance in my adt explorer but it is giving me authentication problem, even though i have successfully completed az login and have also connected visual studio code to my azure account. I have contributor access for the…
asked 2020-11-26T03:29:19.17+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(121.6, 95%, 21%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EPA%3C/text%3E%3C/svg%3E)
Purohit, Aahana
1
Reputation point
answered 2021-10-07T13:58:48.92+00:00
Ananth Padakannaya
106
Reputation points
1 answer
One of the answers was accepted by the question author.
issues while Configuring Event Grid on IoT hub
Hi, While configuring Event Grid on the IoT hub in creating event subscription > endpoint details > select an endpoint > function I am unable to get function name. Could anyone please let me know where I am missing or doing this…
asked 2021-09-22T07:28:45.133+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(3.2, 68%, 10%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EPK%3C/text%3E%3C/svg%3E)
Pooja Kumari
31
Reputation points
commented 2021-09-30T12:57:30.57+00:00
QuantumCache
20,186
Reputation points
0 answers
Dataverse Integration with Azure Digital Twin
Anyone that has experiences or can provide us with best practise on how to keep a Building Graph in Azure Digital Twin (ie Real Estate Core) in sync with Dataverse / Common Data model thats the underlying model behind Dynamics. I Understand we now have…
asked 2021-09-23T08:06:06.747+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(208, 92%, 30%)' 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)
Mange
1
Reputation point
commented 2021-09-28T13:36:04.687+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
30,066
Reputation points
2 answers
One of the answers was accepted by the question author.
$metadata.$model missing from query response
When I use this query to pull the twins of specific models, the return does not include the $metadata.$model property. This happened all of a sudden, the $model property used to be included on the result. QUERY: SELECT space FROM DIGITALTWINS space…
asked 2021-09-14T13:37:40.22+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(128, 64%, 22%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EII%3C/text%3E%3C/svg%3E)
Ismael Ibuan
136
Reputation points
accepted 2021-09-22T23:13:28.6+00:00
Ismael Ibuan
136
Reputation points
1 answer
One of the answers was accepted by the question author.
Azure free account after upgrade
Hi, I wanted to know if I am creating more than one instance in digital twin then I will be charged if I am using free trial subscription?
asked 2021-09-08T08:22:14.573+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(25.6, 38%, 12%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EPK%3C/text%3E%3C/svg%3E)
Pooja Kumari
26
Reputation points
accepted 2021-09-22T07:33:47.8+00:00
Pooja Kumari
26
Reputation points