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Categories: Exchange Online

May 4, 2022

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Configuration Change in Name parameter for Exchange Online

Exchange Online, SharePoint Development Services

From Microsoft Corporation
Technical Bulletin MC365786 · Published Apr 30, 2022

Action Required by May 31, 2022

Message Summary

We’re making some changes to the way Name parameter is being set in Exchange Online. We will be making a change to utilize unique ExternalDirectoryObjectId (EDOID) in the place of Name parameter in Exchange Online only.

When this will happen:

We will begin rolling this out in late May and expect to complete late July

How this impacts your organization:

After this change administrators may no longer be able to see subsequent CN value change in Exchange on-premises to be reflected in the object’s Name property in Exchange Online.

The updated naming logic would take effect only during new user creation. Existing users won’t get impacted in any way.

Please note that since we will start using EDOID as Name in Exchange Online, we shall stop allowing changes in CN to reflect in Name property in Exchange Online for all users (both new and existing).

What you can do to prepare:

We recommend that Administrators evaluate any scripts or other automation that may rely on the Name property and update them accordingly.

For additional details please refer Change in naming convention of user’s Name parameter.


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