The most common scenario where a user name change is required would be if they got married. Depending on the name change policies of the organization, the email address and sign-in name would also be updated in Office 365.

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How to Change the Name of a Non-Federated User

  1. To change the user’s sign-in name in Office 365, update the user’s UPN in Office 365 by doing the following:
    1. Click the O365 User tab, and in the User Principal Name field, enter a new UserPrincipalName (Fig.1). Click Apply.

      Fig. 1 (Click image for magnified view)

    2. Click Refresh. Note that the account may appear inactive and its options disabled (Fig.2). Only the Create Account button will appear active (Fig.2). This occurs because the account attribute (specified in the Active Directory Extensions), the email address or UserPrincipalName, no longer matches the Office 365 UserPrincipalName.

      Fig. 2 (Click image for magnified view)

      If the account attribute is matched on Email, update the local AD email and/or UserPrincipalName to match the new value (Fig.3).

      Fig. 3 (Click image for magnified view)

      If the account attribute is matched on UserPrincipalName, update the local UserPrincipalName to match the new value (Fig.4).

      Fig. 4 (Click image for magnified view)

    3. Click the O365 User tab. The link is now re-established, as indicated by the ability to edit the various fields (Fig.5).


      Fig. 5 (Click image for magnified view)

  2. In O365 Exchange General tab, update the ProxyAddresses on the local Active Directory Account, which will then synchronize to Office 365:
    1. In the Email Address field, enter the new Email Address (Fig.6).
    2. Click Add as proxy address (Fig.6). The newly entered address now appears in the Additional Email Addresses window (Fig.6).
    3. Click Set as Primary to make the new email address the Primary SMTP address as indicated by the uppercase SMTP: in front of the address (Fig.6).

      Fig. 6 (Click image for magnified view)

    4. If you want to change the user’s SIP address as well, click Add as sip (Fig.7). A notification appears stating only one sip address can be synchronized to Office 365. In the Additional Email Addresses window, simply click the old sip address to highlight it and then click Remove (Fig.7).

      Fig. 7 (Click image for magnified view)

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Additional Information

Click here to access links to other 365 Command AD Extensions related topics like System Requirements, Installation, Initial Configuration, Custom Tabs Functionality and Common Usage Examples.

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Technical Support

If you encounter any issues or have questions regarding 365 Command AD Extensions, please contact Technical Support.

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