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In on-premises Exchange, Public Folder is the native mailbox and thus, a user is required to migrate Public Folders separately to Office 365. Public Folders in Exchange contain important information and data related to the organization and workgroup. Public Folders vs Office 365 Groups – What’s the Difference? Methods to Migrate Public Folders to Office 365 Groups.Public Folders vs Office 365 Groups – What’s the Difference?.When I run get-organizationconfig|fl *public* I get these results on new Exchange 2016.ĭefaultPublicFolderIssueWarningQuota : UnlimitedĭefaultPublicFolderProhibitPostQuota : UnlimitedĭefaultPublicFolderMaxItemSize : UnlimitedĭefaultPublicFolderDeletedItemRetention : 30.00:00:00ĭefaultPublicFolderMovedItemRetention : 7. I have just completed migration of Exchange 2010 to 2016 with public folders containing folders with Greek names(Beleive me,that was a nightmare!!!). You can also see an example for migrating legacy public folders to Exchange 2013 here, which is an almost identical process.Īfter you’ve completed your public folder migration, you can begin decommissioning your legacy Exchange servers, which I’ll cover in the final part of this series.Įxchange Server Exchange 2016, Migration, Public Foldersįirtst of all I want to give you a milion thanks for your very helpful articles! Microsoft maintains the most up to date guidance for legacy public folder migration to Exchange 2016 on TechNet, which you can find here. So from a risk management perspective, you should take the time to understand your public folder usage scenarios so that they can be tested thoroughly before a large amount of new data is generated in the modern public folders post-migration. This means that if you encounter a problem that requires you to roll back to your legacy public folders, you’ll lose any new or changed data in the modern public folders (unless you take steps to back it up or copy it somewhere else). Once you’re using modern public folders, any changes or new data can’t be synchronized back to the legacy public folder databases. The public folder migration process is one-way only. Testing modern public folders, and then unlocking them for access by users (the outage is now over).Locking the public folders for final migration (this requires an outage, usually of at least an hour, but longer for very large environments).Starting the migration, and waiting for initial synchronization to complete.Creating public folder mailboxes in Exchange 2016 databases.Generating CSV files using the Microsoft scripts.Preparing the organization for public folder migration.To migrate legacy public folders from Exchange 2010, a procedure called a batch migration is performed. If you later have a need for public folders, you can create modern public folders in Exchange 2016 at that time. Keep in mind that if your organization has no need for legacy public folder data, you can simply remove your legacy public folders completely, instead of migrating them.
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If you are migrating legacy public folders from Exchange 2010, then the process is more complicated.If you are migrating modern public folders from Exchange 2013 to Exchange 2016, you can simply move the public folder mailboxes just as you would migrate any other mailbox.For an Exchange 2016 migration, the public folder migration options depend on which version of Exchange you’re migrating from: