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How to Use a Service Account with Power Automate Flows

Huma Ashraf Ch Oct 22, 2026 868 views

Question details

Configure Power Automate to execute workflow runs using a dedicated service account rather than a personal user account.

How to Use a Service Account or Impersonator with Power Automate

Product: Microsoft Power Automate
Device & OS: not provided
Scenario: Setting up organizational workflows that run independently of an individual user's credentials to prevent workflow failures when an employee leaves.
Observed behavior: The flow needs to run using a service account's connections, requiring proper license assignment, permission setup, and connection references.

Before you start

Ensure you have access to the Microsoft 365 admin center or coordinate with your IT administrator to create the service account and assign the necessary licenses.

Solution 1Recommended

Set up and configure a Service Account for your Flow

Create a dedicated account, assign required licenses, and update your flow's connections to ensure it runs independently of personal credentials.

Using a service account prevents your automated processes from failing if a team member's account is disabled or their password changes. The service account must have adequate permissions to access all resources (like SharePoint lists or shared mailboxes) used within the flow.

Create the account and assign licenses

In the Microsoft 365 admin center, create a new user account designated as your service account. Assign it an appropriate Power Automate license based on whether you are using standard or premium connectors.

Share the flow with the service account

Log into Power Automate with your main account. Locate the flow you want to transfer, click on 'Details', and under the 'Owners' section, click 'Edit' to add the newly created service account as a co-owner.

Configure connections

Log in to Power Automate using the new service account credentials. Open the shared flow in Edit mode. For each action that requires authentication, click the three dots (More commands) and select 'Add new connection' to authenticate using the service account.

Test the flow execution

Save the flow and run a manual test. Verify that the flow executes successfully and that records (such as SharePoint list items) show they were created or modified by the service account.

Set up and configure a Service Account for your Flow

Security Best Practice: Avoid granting global administrator permissions to the service account unless explicitly required and approved by your organization's security policy.

Solution 2

Use Connection References to Impersonate another account

Configure your flow to interact with target resources using a different account's permissions via connection references.

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Frequently Asked Questions

Why should I use a service account for Power Automate instead of my own?

Using a personal account means the flow may break or lose access to connections if you leave the organization, change roles, or update your Microsoft 365 password. A dedicated service account ensures continuous operation and centralized management.

Does a service account need a premium Power Automate license?

It depends on the connectors used within the flow. If your flow relies on premium connectors (like SQL Server or Dataverse), the service account must be assigned a standalone Power Automate premium license. Standard connectors usually only require a basic Microsoft 365 license.

How do I change the owner of an existing Power Automate flow?

Go to the flow details page in Power Automate. Under the 'Owners' section, click 'Edit'. Search for the service account email, select it, and save. Once the service account is added as a co-owner, you can safely remove your personal account if desired.

Can a service account create SharePoint items without direct SharePoint permissions?

Yes, but only if the specific SharePoint action within the flow is configured to use a connection established by an account that does have permissions (such as an administrator account). The service account essentially impersonates that connection to create the item.

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