Issue with Power Automate/OneDrive Sign in Denied Access.

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Posted on by CU09101756-0

So I've been using Power Automate for Business a lot, and today I had to restart my Computer and relaunch Power Automate after my reboot, but I've encountered a OneDrive error.
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OneDrive Error

An error related to OneDrive occurred.
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Error details

Correlation Id: b8807220-dbbe-475c-8fe1-fa58f690c812

Access denied
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- Anyways does anyone know how to rectify this nonstop Sign in. Deny Issue on (Power Automate) when it Tries to access the (OneDrive)

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Power Automate Desktop

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Pietro 12 on at

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I also have this problem

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David_MA 15,432 Super User 2026 Season 2 on at

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Are using the OneDrive or OneDrive for Business action? If you are using the one without Business in the name, your company has most likely blocked the use of personal OneDrive and this is why you are getting the access denied message.

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Scott Cassin 72 on at

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Hello, David_MA, I too am having the same issue (along with quite a few others). I use OneDrive personal on a stand alone PC and get the same error upon attempting to log in to PAD. How would I go about checking to see if something in my PC blocked access? Thanks for any advice you can provide. Scott

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David_MA 15,432 Super User 2026 Season 2 on at

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Scott, you would contact your Power Platform admins to ask what restrictions they have configured in your environment. At my company, all of the personal Microsoft actions are blocked for data security. Logging into PAD (Power Automate Desktop) could also be blocked by your company and something you would need to check with your admins. We block PAD at my company as we use UiPath for RPA currently.

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Scott Cassin 72 on at

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Thank you, David_MA, I appreciate the update. I am my own Admin - lol, since it's just me on a personal PC working out of my home office. The whole 'access denied' issue just suddenly started around October 9th and I haven't been able to log in since. I've noticed quite a few others with the same issue so I figured it must be something on the back end. I'm relatively new to PAD so I'm learning as I go. Thanks again for your help. Scott

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David_MA 15,432 Super User 2026 Season 2 on at

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@Scott Cassin I am not one of the admins at my company, but this may provide guidance on where to look for the settings: Prevent access to personal accounts from Office 365 - Microsoft Q&A

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Scott Cassin 72 on at

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Thank you, David_MA, I will check into this a little further now. I appreciate the guidance! Scott

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Pietro 12 on at

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I am having the same problem
I contacted the Microsoft support team and this is the answer I received

"It looks like the error you are experiencing could be due to your license to use the product or a larger issue impacting your account"

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Scott Cassin 72 on at

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Thank you, CU12101943-0 , for trying to reach out to Microsoft. This issue has been going on since last week for many and appears to have started after some sort of back-end update. As of this morning, I'm now able to log in, but all my flows are unfortunately missing. Hopefully someone will figure out a workaround to get the flows back.

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Pietro 12 on at

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Hi Scott,

since last Thursday I can log in but today all my flows are still missing!
Did you recover your flows?

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