UI flow Gateway Connection "Test connection failed"

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Posted on by Janis_

Hello everyone,

I ran into an error while setting up an on-prem Gateway to trigger my UI Flows.

When I try to setup a connection in the web portal I get the error message:
"Test connection failed. Details: There is a problem with your credentials. Verify your credentials or use other credentials to connect to the gateway."

The local installation and configuration ran succesfully. I changed the service account to the domain user, which is logged in on the machine. The Gateway says it is "online and ready to be used". The network and port test also suceeds.

In the webportal I also see the status of the Gateway as online.

The I service user is the same as the one that I put in when setting up the connection. It´s a domain user but not AAD. The device is joined to a local domain, not azure joined. I tried every variation of username that I could think of, domain\username, username@domain.com, mail, ...

The connection needs to use a proxy, but I did followed this guide: Configure proxy settings for the on-premises data gateway | Microsoft Docs

Anything else I can try?

Thanks and Regards

Janis

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Power Automate Desktop

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matow_MSFT Microsoft Employee on at

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@Janis_ It looks like you followed the right steps - typically the network connection test from the Gateway will show if something is blocked, and DOMAIN\username is the right format for the login. A few questions to help troubleshoot:

Do you see the same error message if you try to create the connection from within the UI flows connector in an instant flow?
Does creating the connection work with the format ~\Username rather than DOMAIN\Username?

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Janis_ 10 on at

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Hi @matow ,
Thanks for the answer.

yes, its independend from the point where I try to set up the connection. It´s the same error inside a flow and under data -> connections.

Unfortunately ~\Username also doesn´t work.

Regards
Janis

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antouly Microsoft Employee on at

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Hi @Janis_,

In order to investigate what is happening here, we need some additional information.

To get this information, please follow these steps:
1. Go back to the web portal where you tried to create your connection in the UI Flows connector and enter your credentials as you did before but without clicking on "Create" for now.

2. Press F12 (being on the connection creation page) to open the DevTools and go to the Network tab.

3. In the Filter box, type "testconnection".

4. Keeping the DevTools opened, click on the Create button on the web portal.

5. Click on each "testconnection" entry on the DevTools and copy the value of the "x-ms-correlation-request-id" header if there is one.

6. Finally, provide us in a response to this thread, the value you copied.

Best Regards,
Andreas

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Janis_ 10 on at

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Hi @antouly ,

I get the status code 401. The Request ID is fbd4237a-f7b4-4359-a372-ec6def3405b7.
In contrast to your screenshot, my referrer Policy is "origin".

Thanks
Janis

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antouly Microsoft Employee on at

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Hi @Janis_,

After investigating your problem, it appears that there is a problem with UI Flow Service (from the local installation) that cannot reach some required URLs: https://docs.microsoft.com/en-us/power-automate/limits-and-config#ui-flows-required-services

Can you check that your local user and the service account "NT Service\UIFlowService" (installed by the local installation on your machine) are allowed to reach these URLs?

Thanks,
Andreas

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Janis_ 10 on at

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Hi Andreas,

Thanks, I will check with the network team and get back to you.

Regards
Janis

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Dimeji 9 on at

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@antouly I am experience the same issue. Can you help me interpret this Request ID: cd11adfc-db4a-49f3-9459-94b07f5ec7f5 . My on premis gateway is on a VM and I use my Azure AD credentials which is enabled to log in. Furthermore I use a fingerprint/pin to log in to VM instead of a password

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suryapunjsharma 2 on at

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Test connection failed. Details: There’s an issue with your credentials. Check your credentials or use different credentials to connect to the gateway. Correlation id: 57e4ec81-ccd6-40f2-b4f7-cc15bb9b03ed

Can someone help regarding this error?

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antouly Microsoft Employee on at

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@Dimeji, sorry for the late reply. Are you still experiencing the same issue? If so, can you please send me the last error message you got with the request/correlation id?

@suryapunjsharma the error message says that you are not using the right credentials to connect to your machine.
If you are using local account's credentials, can you double-check that the username is the correct one? To do so, you can go to C:/Users/[YourUsername]. Sometimes, the actual username can be a little bit different from the one you see in other Windows settings. Finally, if you have an Active Directory account, don't forget to add the domain before your username: DOMAIN\YourUsername

Thanks,
Andreas

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