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Power Platform Community / Forums / Power Automate / Unattended runs failin...
Power Automate
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Unattended runs failing but works attended

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We are having trouble with random errors/actions that are failing and the only thing we can seem to link it to is the run mode. When we are in attended mode, there is no issue. When we are in unattended mode, it like the flow goes through a step too quickly and fails to complete actions as programmed. Sometimes, PAD doesn't recognize it failed a step and just moves forward, even though it is programmed to throw errors.
 
The flows are set to automatically retry upon a failure (the whole flow restarts). The first try step X will fail, then the second try, step Y, then the third, step z, etc. Essentially, we cannot pinpoint any one action being the issue and what has been a band-aid is building in retries and wait times on the specific steps that fail, but this is making our flows take too long causing backlogs.
 
We already standardize screen resolutions and throw errors and retries. We noticed a correlation when our organization updated to version 2.48.153.24261 in October of 2024. The flows had been working for months before this update, but now all of them are having this type of issue. 
 
Is there any way to do a global slow down or is there a known issue/bug with unattended run mode that is causing this type of issue?
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  • trice602 Profile Picture
    15,589 Super User 2025 Season 2 on at
    If I can help with anything else please let me know or tag me in a future post, I enjoy reading and answering questions.  Always glad to help!  Tom 💯💯💯💯💯
  • trice602 Profile Picture
    15,589 Super User 2025 Season 2 on at
    Hey there!
     
    I am following up on this post unattended runs failing but works attended in this category building flows from 01/16/2025.  I know the post is a little older, but it is a common question here so wanted to take a moment and follow-up. I see there have been 1 replies and 1 likes and asking if your question has been answered.  If so, please help the community out by completing one or more of the following actions!  Thanks in advance!
     
    Easy as 1-2-3 ‼️💯⭐😎🆒🙏
     
    1) Mark a reply as a verified answer - this is essential, and it helps others with the same general question find this thread. ✅
    2) You can also mark one of more replies as a verified answer.  Please take a moment and give the author credit for volunteering their time. ✌️
    3) Like one or more replies.  Kudos always greatly appreciated! 👍
     
    Pro tip:  if you found your own solution or workaround, feel free to add a reply to your own post and mark it as the solution too!  The goal is to get this thread marked with a verified answer by anyone that finds one or more replies helpful!
     
    Again, thanks in advance for reading and responding, always glad to help!  Tom 💯💯💯💯💯
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    trice602 Profile Picture
    15,589 Super User 2025 Season 2 on at
    Hi,
     
    Yes there is a solution and you are not alone.  In PAD, it is common for flows to run "better" and more reliable in attended mode vs unattended mode.  I have a couple that I just run in attended mode afterhours; solves about 99% of my issues.
     
    That said, what you can do is look at the typical error locations in your flow an add in some delays.  It is VERY COMMON to need to add 5 second delays here or there.  Sometimes I will add a 30 second delay at the beginning so the VM will completely load all the startup applications, connect to OneDrive, etc.  So please try adding in some delays to slow your flow down.  
     
    I have a few that have been running for years with a handful of delays.  Slower but the dependability is key.
     

    ------------------------------------------------

     

     

    ⭐ If this was helpful, please like and mark as a verified answer to help others find this too!

     

     

    Always glad to help! 💯💯💯💯💯

     

    Tom

     

    Follow me on LinkedIn - Thomas Rice, PMP | LinkedIn

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