Export messages from a mailbox that were sent or received on or after a specific date
I have a requirement to export all messages from an Exchange mailbox that were sent or received after a specific date to a PST file. This was easy to achieve using the New-MailboxExportRequest cmdlet and specifying the dates within the…
Importing a PST fails when using New-MailboxImportRequest
I have a requirement to import some PST files into different mailboxes in Exchange. This is easy to do using the New-MailboxImportRequest PowerShell cmdlet however when it fails it isn’t easy to see why. Fortunately, we can get more information…
Use PowerShell to determine the total size of disconnected mailboxes in a mailbox database
I have been performing some housekeeping tasks which include removing old user mailboxes. While doing this I was curious how much disk space I would be saving so I took a few minutes to leverage the Get-MailboxStatistics cmdlet and…
Search for and delete content within a mailbox using PowerShell
I was recently asked to delete a specific message from a user mailbox as the recall function did not work (the message had already been read). I was able to check if the message existed in the mailbox using the…
Determine the average mailbox size using PowerShell
I have been asked to provide a colleague with some statistics around our Exchange environment, including the average mailbox size. There is no way to determine this using the GUI so once again PowerShell comes to the rescue with…
Count the number of mailboxes using PowerShell
If you need a quick and easy way to count the number of mailboxes in your Exchange environment then you can use the Get-Mailbox cmdlet: (Get-Mailbox -ResultSize Unlimited).Count
Attach a disconnected online archive to a user mailbox
I have been migrating some users to a new Active Directory domain and part of this has involved converting linked mailboxes to user mailboxes within Exchange. Reconnecting a disconnected mailbox doesn’t include the archive, this needs to be done manually….
Import a PST file to a mailbox using PowerShell
Today I have been asked to import mail from a PST file into an existing mailbox in Exchange. Fortunately this is nice and easy using the New-MailboxImportRequest PowerShell cmdlet. Here is an example of how to use it: New-MailboxImportRequest -Mailbox dave@webbworld.local -FilePath…
Delete a disconnected mailbox
Today I needed to remove a mailbox that has been disconnected, but this option isn’t available from the Exchange Management Console so I turned to PowerShell. First, I used the Get-MailboxStatistics cmdlet to generate a list of disabled mailboxes: Get-MailboxStatistics…
Determine if a mailbox is a linked mailbox using PowerShell
If you need to determine whether a mailbox is a linked mailbox using PowerShell you can achieve this with the Get-Mailbox cmdlet: $Mailbox = Get-Mailbox user@domain.com $Mailbox.RecipientTypeDetails