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New PAD version (2.14) - how to troubleshoot UiFlow service?

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Posted on by charles_ross_oh

I have updated to the newer PAD version and the machine management interfaced is changed in a major way. Desktop flows launched locally work fine, but desktop flows (Attended) launched from cloud flows have stopped today.

There seems to be a problem with machine registration - I went to the "machine settings" app and tried troubleshooting and the new machine UI said "We cannot get your machine information". It suggested I check the UiFlow Service.

I looked in the Services for UIFlow, which is usually where the problems would be in the previous versions, but it appears that there is no UIFlow service. I went hunting in Task Manager and UiFlow is in fact listed there as stopped, and it won't respond to Start.

In the Power Automate portal Run History, the flow's status is "Queued" - I imagine that's because the service has not started.

Anybody have any tips or links to articles about troubleshooting in version 2.14? All of the online help that I can find is about the "old" experience as in version 2.13 where the machine management experience is not split out from the main PAD app.

I just moved from Trial to my Unattended Desktop license. In the Portal Flows panel for Data > Connections, I deleted all my old desktop connections created as trial and started a new one in case the license change could be a factor in the machine registrations.

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Power Automate Desktop

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fraenK 2,125 on at

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Did you go through this: https://docs.microsoft.com/en-us/troubleshoot/power-platform/power-automate/reset-ui-flow-service-when-bad-state

UIFlowService has to run: https://docs.microsoft.com/en-us/power-automate/desktop-flows/pad-architecture
charles_ross_oh 91 on at

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Thanks @fraenK, I did find that article and tried to follow it but unfortunately I do not have full admin rights (can't start or restart all services) on the bot machine. In the Task manager Services tab I definitely can't start the UiFlow service.

What is very interesting about this latest version is the fact that the UIFlow* services do NOT appear in the Services panel like they did only a week back. They are visible in Task Manager on the "Services" tab only.

I am wondering if it has to do with the user account the service was installed under. I can't see it (or change it) anymore like I could when the service was visible in the Services panel.
fraenK 2,125 on at

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Unfortunately, PAD requires admin permissions to run and this service is essential. So there might be something wrong with the installation.
charles_ross_oh 91 on at

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I understand that. But there's something new in this version. I have 2 machines - 1 is my desktop and one is a VM and both have been updated to the new version. One of them is running the UIFlow service OK and the other stopped.
What is very noticeable is that BOTH of them are no longer displaying the UiFlow Service in the Windows Services app. All 3 UiFlow Services, both on the running one and the one that can't be started are only visible under Task Manager.

That's new and smells buggy to me. Does anybody else see this change in 2.14?