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Understanding Delegated Administration ("On Behalf Of") in Office 365

Understanding Delegated Administration ("On Behalf Of") in Office 365

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One of the benefits of being a “Microsoft Cloud Accelerate” partner is the ability to offer delegated administration right from within your own Office 365 tenant. Delegated administration is you administrering a company account on behalf of one (or more) of your customers. As a delegated administrator, you can perform simple tasks such as adding users and resetting passwords, or more technical tasks such as adding a domain.

Two questions often comes up when delegated administration is on the agenda:

  1. How to invite/offer your customer to authorize you as a delegated administrator
  2. How to actually do the delegated administration


How to invite your customer to authorize you as a delegated administrator

Before you can start administering your customer's account, your customer must authorize you as a delegated administrator. To obtain your customers approval, you first send them an offer for delegated administration:

  1. Click the "Partner" tab
  2. Under "Offer delegated administration" click "Send delegated administration offers":

  3. Go through the steps to end up with a customer ready email:

  4. Send the mail and wait for your customer to approve the invitation.

    Your customer will click the URL in the invitation and authorize you as a delegated administrator:

How to actually do the delegated administration

When you want to perform an administrative task for your customer, you can locate the account by searching for a user (name) or your customers domain name. If you are a delegated administrator for your customer's account, you can search for any domain name associated with the account.

  1. Click the "Partner" tab
  2. Under "Find and Assist" click "Lookup user or domain"

  3. Type in e.g. the domain name:

  4. When a matching domain name is found, a results page appears with action links at the top of the page. Click the link corresponding to the action you want (e.g. "Administer on behalf of"):

Thats it :-)

Note: As a Microsoft partner, you can see a list of your Office 365 customers on your MPN Partner Dashboard:[MPN ID]#/#onlineServicesTab


  • Great thanks for posting this It would have taken me a while to figure it out as it not verry straight forward. If you already authorized to deligate then the domain should just show up to click on.

  • too bad they pulled away features in the latest service upgrade, for example you can no longer administer distribution lists without a "licensed" user account.

  • Hi,

    Can more than one partner have delegated admin rights on and office 365 account.
    Perhaps for example one partner is assisting the client with Office 365, Exchange etc. and referred another one for Dynamics for example.
    Thanks in advance for any guidance you can provide in this regard.


  • Sorry, no. Admin is on the tenant level.

  • Thanks Jesper, that's helpful, my example was designed to show the circumstances in which it might arise that two delegated admins are required for the same tenant. Admin being at the tenant level wouldn't prevent multiple admins at the tenant level. Are multiple delegated admins allowed at the tenant level?

    That those admins would have the same rights and be able to do everything in all areas of the tenant is understood.

  • To further clarify, I mean two partner organizations with delegated admin permission. I know that multple users within the same partner can admin...


  • Thanks Jesper.

  • Jesper, do you know if this is still supposed to be working to allow tenenants to see who their delegated admin is:
    or does the documentation need to be updated?

    I´ve tested a couple of accounts where we are the delegated admin but I also have a global administrator user on the account and I can´t see the option to "Manage delegated admins"

  • Answering my own question, with thanks to Billy Wang, Microsoft Partner Support Community Technical Support Engineer:> Admin->O365->Users & Groups-Delegated Admins

  • thanks

  • And further, it is possible to have multiple delegated admins on one tennant.

  • When I click on the Partner tab I don't have a "Find and Assist" to be able to click "Lookup user or domain". I have a list of the customers who we have been given delegated administration right from but don't seem to be able to anything with them. Any suggestions?

  • I have the same issue as Karina.

    Any suggestions/advice?

  • I cannot find "Find and assist" either. I do see that I can see my clients however.

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