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Power Automate - Building Flows
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How can I allow duplicate approvers in Power Automate sequential approval workflow?

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Posted on by CU11090709-0

I've built a Power Automate workflow to approve items added to a SharePoint list. Multiple approvers are required, and they are specified by the end-user via Person/Group columns in the SharePoint list. My Power Automate flow then identifies them via a Start and Wait for an Approval action, using the Sequential Approval option (using Solutions).

This works fine, until some of the specified approvers are the same person. I then get a flow failure due to "Duplicated Approver". However, in my organisation it is sometimes the case that one person may be fulfilling more than one role in the approval process, and therefore users creating the item will specify them more than once.

Is there any way to allow duplicated approvers in the sequential flow? Otherwise I can only think I'll need to create multiple approval steps, each for one approver, conditional on the previous step being approved. And I think this will eventually cause me to hit the "nested" limit.

Any advice appreciated.

Categories:
Business Process Flows
  • David_MA Profile Picture
    David_MA 11,512 Super User 2025 Season 1 on at
    How can I allow duplicate approvers in Power Automate sequential approval workflow?
    I would suggest adding the unique approvers to an array variable and use a join expression to add them to the approval. You can do that by:
    1. Initialize a new array variable.
      1. UniqueApproverArray
      2. Type Array
      3. Default value []
    2. Add the first approver
    3. For subsequent approvers, use a condition to see if they have already been added, and add them in the order of sequence.
      1. If they have not already been added, use an append to array action to add them to the array.
    4. You can then use a join expression on the array to join them with a semicolon for use in the approval.
    Of course, this may not work since I don't know your exact requirements.
  • MS-03032002-0 Profile Picture
    MS-03032002-0 3 on at
    How can I allow duplicate approvers in Power Automate sequential approval workflow?
    Is there anyone that could answer this question? I have the same issue. 

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