How to export specific folders from Exchange Mailbox' online archive to PST

Question

I am trying to export specific folders (and their subfolders) to PST files from an online archive of a mailbox. Servers are running Exchange 2010 (14.3.123.4) on Server 2008 R2.

So far I have this:

New-MailboxExportRequest `
    -Mailbox $Mailbox `
    -IncludeFolders "#Inbox#/Production/Bouwnummers/$BouwnummerFolder/*" `
    -FilePath "\\[server]\PST-Export$\OTPM\$BouwnummerFolder.pst" `
    -Name $Bouwnummer `
    -DomainController $DomainController

New-MailboxExportRequest `
    -Mailbox $Mailbox `
    -IncludeFolders "#Inbox#/Production/Bouwnummers/$BouwnummerFolder/*" `
    -FilePath "\\[server]\PST-Export$\OTPM\$BouwnummerFolder Archive.pst" `
    -Name "$Bouwnummer Archive"`
    -DomainController $DomainController `
    -IsArchive

For the first export request, I get the expected result, however for the archive (2nd part) I only get the Deleted items folder (empty). I have checked with Get-MailboxFolderStatistics -Identity $Mailbox -Archive | ft Folderpath | out-file E:\PST-Export\$Mailbox-archive.txt that it does contain the folder, and subfolders that I want.

So, how can I export the folders from the online archive to PST?

Solution

So, the solution was that -IncludeFolders parameter did not accept #inbox# to make it language agnostic (as explained here) when -InArchive was also given. So I had to use -IncludeFolders parameter without the #-signs to retrieve specific folders from the online archive.