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How to Fix Power Automate Missing Generate Resource Storage Permission Error

Muhammad Talha Oct 9, 2026 868 views

Question details

The user needs to resolve a permission error that prevents a Power Automate flow from running or saving successfully.

How to Fix Power Automate Missing Generate Resource Storage Permission

Product: Microsoft Power Automate
Device & OS: not provided
Scenario: Attempting to modify, run, or save a flow after the original creator or primary owner has left the organization.
Observed behavior: The flow stops working and displays a UserMissingRequiredPermission error, specifically citing a missing Generate Resource Storage permission when saving.

Before you start

Ensure you have environment administrator privileges or can contact an IT administrator, as modifying ownership and security roles requires elevated admin access.

Solution 1Recommended

Reassign Flow Ownership and Reauthorize Connections

Update the flow's owner and connection credentials to an active account with the necessary permissions.

When a user leaves an organization and their account is disabled, any flows they created will lose authorization. Reassigning the flow to an active user with appropriate security roles resolves the underlying permission gap.

Verify Account Status

Check the Microsoft 365 admin center to confirm if the user identified in the error message has been deleted or disabled.

Reassign Ownership

Ask an environment administrator to access the flow settings and assign it to a valid, active owner or co-owner.

Grant Security Permissions

The administrator must ensure the new owner has the 'Generate Resource Storage' permission granted via their assigned security role in the Power Platform admin center.

Reauthorize Connections

Open the flow in edit mode, navigate to the Connections area, and recreate or reauthorize all utilized connections using the new active account credentials.

Save and Test

Save the flow and run a manual test to confirm that the UserMissingRequiredPermission error no longer appears.

Reassign Flow Ownership and Reauthorize Connections

Tip: Always use a dedicated service account rather than a personal user account for critical business flows to prevent ownership issues when employees leave.

Solution 2

Export and Recreate the Flow

Use this workaround if the flow ownership cannot be directly recovered or modified in the current environment.

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Frequently Asked Questions

Why does the UserMissingRequiredPermission error occur in Power Automate?

This error most commonly triggers when the original creator or owner of a flow leaves the organization and their account is disabled. The flow consequently loses the necessary credentials and permissions to execute or save changes.

What is the Generate Resource Storage permission in Power Platform?

It is an environment-level privilege required to create and manage storage resources needed for flow execution. Administrators can grant this right by assigning specific custom or default security roles to a user.

Can a flow be recovered if the owner's Microsoft 365 account is permanently deleted?

Yes. An environment administrator can still access the orphaned flow from the admin center, export it as a package, and then import it under a new, active user account to restore its functionality.

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