How do I know if an Exchange mailbox has an archive?

Posted on 2016-08-17
Last Modified: 2016-08-18
I am writing a PowerShell Script for Exchange 2013 to export all mailboxes and archives to a PST.  When there is an archive the script works with no issues, however when there is none I get the message below:

Mailbox 'Alex Simmons' has no archive. + CategoryInfo          : InvalidArgument: (True:SwitchParameter) [New-MailboxExportRequest], MailboxLacksArchivePermanentException + FullyQualifiedErrorId : DCF7E01A,Microsoft.Exchange.Management.RecipientTasks.NewMailboxExportRequest + PSComputerName        :

Does anyone have any input on how I can determine if there is an archive.  Below I have the PowerShell script that I am trying to run.  I would think there is some type of ‘if’ command that would say, if(mailbox == IsArhcive) extract it.

#Iterate through each mailbox on the current Exchange server.
foreach ($mailBoxName in (Get-Mailbox)){
	#Start export of current mailbox.
	New-MailboxExportRequest -Mailbox $mailBoxName.Alias -FilePath "${uncOutputDirectoryString}$($mailBoxName.Alias).pst"

	#Wait for the export to complete.
	while(!(Get-MailboxExportRequest -Mailbox $mailBoxName.Alias -Status Completed))
		Start-Sleep -s 300
	#Export Archive
	#ToDo: How do i determine if there is an archive?
	New-MailboxExportRequest -Mailbox $mailBoxName.Alias -IsArchive -FilePath "${uncOutputDirectoryString}$($mailBoxName.Alias).IsArchive.pst"

	#Wait for the export to complete.
	while(!(Get-MailboxExportRequest -Mailbox $mailBoxName.Alias -Status Completed))
		Start-Sleep -s 300

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Any help would be greatly appreciated.
Question by:rye004
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Expert Comment

by:David Sankovsky
ID: 41760575
I haven't a ready code, but if you use Get-Mailbox <mailbox> |fl ArchiveDataBase you should get an empty string if it has none.

That should help you filter out which mailboxes do have archives.

Accepted Solution

Ibrahim Benna earned 500 total points
ID: 41760886
To add on to David's suggestion, you can run the following command to get you a list of mailboxes that only have archives

get-mailbox | where {$_.ArchiveDatabase -ne $null}

To do the opposite and find mailboxes without any archive mailboxes run this

get-mailbox | where {$_.ArchiveDatabase -eq $null}

Author Comment

ID: 41761360
DeBlackman,  Thank you for your input, it was very helpful.  I have written the following below which I think is going to work.
function ExportMailBox ($mailBoxName, $isArchive, $outputPath){

    #Call New-MailboxExportRequest here.


"mailboxes with an archive:"
foreach ($mailBoxName in (Get-Mailbox | where {$_.ArchiveDatabase -ne $null})){

    ExportMailBox -mailBoxName $mailBoxName, -isArchive False, -outputPath "...."
    ExportMailBox -mailBoxName $mailBoxName, -isArchive True, -outputPath "...."


"mailboxes without an archive:"
foreach ($mailBoxName in (Get-Mailbox | where {$_.ArchiveDatabase -eq $null})){

    ExportMailBox -mailBoxName $mailBoxName, -isArchive False, -outputPath "...."


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