Office 365 – Public Folders Error – “The root folder must be mapped….”


This one drove me bananas.

I will concede that I may have missed a line somewhere but I don’t think I did.   There are several excellent and free documents on Migrating Public Folders to Office 365 such as the one from Microsoft or this excellent reference from MSExchange.org.

However no matter what I did I ended up with an error like this EACH and EVERY time!

Error at row 1: ‘\’,’Mailbox1′. The root folder must be mapped to the primary hierarchy mailbox:PublicFolderMailbox.

Where “PublicFolderMailbox” was the actual name I assigned to the Public Folder Mailbox in Office 365.

I checked high and low and nobody could give me a “why”

Well the “Why” was pretty obvious after I looked at.  Here was my .CSV file generated from the Migration

“FolderPath”,”TargetMailbox”
“\”,”Mailbox1″

Turns out the “Mailbox1” should be the name of your target “Public Folder” mailbox which in my case I named (Look up there ^^^ “PublicFolderMailbox”)

Changing the file to read like this

“FolderPath”,”TargetMailbox”
“\”,”PublicFolderMailbox”

And now the rest goes easy :)

Sean
The Energized Tech

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