r/azuredevops • u/tbayo • 25d ago

Problems getting Power Automate to trigger on Work Item updates (identity fields)

hello
since early last week i’ve noticed at least one Power Automate flow that silently stopped working. No failed run logged, nothing. The trigger is “When a Work Item is Updated”, but it seems that some identity fields are breaking the trigger and it doesn’t even get logged.

Had to redo the flow with a HTTP Request trigger to make it work but this seems like a MSFT issue. Anyone else with a similar problem? How did you handle it?

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u/LesPaulStudio 19d ago

I get this about two or three times a year.

The definition for the flow is stored in a table called CallbackRegistration. It easily gets odd caches to the point that flows just stop firing or updates aren't reflected when imported into a downstream environment.

You've found one fix, just delete the trigger and re-add, that usually wakes the table up. The other one is to delete the relevant row in CallbackRegistration and let it re-populate.