On-Premises mail-enabled Modern Public Folders are not visible in the GAL from Office 365 Mailboxes

Just a reminder. If you are in hybrid mode and using public folders on-premises, the mail-enabled PFs will *not* be visible via the Outlook Address Book for 365 mailboxes – even if they are not hidden from the GAL. All you will see is:

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This also means the display name will not be resolvable when creating or receiving a message from the folder.

One work-around is described here under the section “Configure Directory Synchronization” that allows you to create mail-enabled contacts in 365 that represent the PFs.

In the meantime, you will have to wait for one of two solutions:

  1. True mail-enabled PF synchronization.
  2. Supported Modern Public Folder Migration to Office 365. ( Yea, that’s right  – The migration of 2013/2016 Public Folders to Office 365 is not supported right now.

 

 

 

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