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Power Platform Community / Forums / Power Automate / Action 'Run_a_flow_bui...
Power Automate
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Action 'Run_a_flow_built_with_Power_Automate_for_desktop' failed

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Posted on by NagarajuNalla
Action 'Run_a_flow_built_with_Power_Automate_for_desktop' failed: The run has exceeded the queue waiting time limit. Consider allocating more machines or spreading desktop flow runs to optimize wait time in the queue.
 
got above error  for a scheduled bot, it ran for 6hours and failed 
Exception.png
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    eetuRobo Profile Picture
    eetuRobo 4,579 Super User 2026 Season 1 on at
    That means that the bot did not even get to sign in to the machine since it wasn't available. Run Power Automate Desktop flow -action has by default 6hour timeout.


    Check in "Machines" page check that the machine your bot is using is "Connected". If it is then check are there many flows running and queued. 


     
    If the machine is Disconnected it might be either turned off or maybe UIFlowService is not running. Check that by loging into the machine and checking the UIFlowService status in Task Manager -> Services


    Also do not "Disconnect" or "Shut down" from the virtual machine but use "Sign out" to close the virtual machine. 

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