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How to Share a Public Folder Contacts in Exchange 2010
Follow these steps to create and share a contacts public folder in Exchange Server 2010 using the Exchange Management Shell and Microsoft Outlook.
1. Create a top-level public folder
Log in to the Exchange Management Shell (EMS) and open the Public Folder Management Console. Create a top-level public folder on the Exchange server.
2. Assign client permissions
Use the following command to assign permissions to the user who will create the subfolder:
Add-PublicFolderClientPermission -Identity "\PublicFolderName" -User "username" -AccessRights PublishingAuthor
This grants the user the right to create a subfolder from within Outlook.
3. Create the Contacts folder in Outlook
Log in to Outlook using the credentials of the user you granted permissions to.
Go to Public Folders > Your top-level folder and create a new subfolder as a Contacts public folder.
4. Share the Contacts folder
To share the Contacts folder with other users, assign them appropriate permissions using the following command:
Add-PublicFolderClientPermission -Identity "\ContactsFolder" -User "username" -AccessRights Reviewer
If you later need to revoke access, use:
Remove-PublicFolderClientPermission -Identity "\ContactsFolder" -User "username"
Technical Note
Make sure Outlook clients are configured in cached mode and that Autodiscover is working correctly to avoid synchronization issues with public folders.