Top 10 Microsoft 365 Exchange Admin PowerShell Scripts!

PowerShell is a powerful tool for managing Microsoft 365 Exchange. These ten useful cmdlets will help you automate tasks and streamline management.

1. Get-MailboxStatistics

   Description: Retrieves mailbox statistics such as size, item count, and last logon times.

   $Mailbox = "user@example.com"
   Get-MailboxStatistics -Identity $Mailbox

2. Get-MailboxPermission

   Description: Lists permissions assigned to a specific mailbox or group of mailboxes.

   $Mailbox = "user@example.com"
   Get-MailboxPermission -Identity $Mailbox

3. Get-DistributionGroupMember

   Description: Lists members of a distribution group.

   $DistributionGroup = "SalesGroup"
   Get-DistributionGroupMember -Identity $DistributionGroup

4. New-MailboxExportRequest

   Description: Initiates mailbox exports to PST files.

   $Mailbox = "user@example.com"
   New-MailboxExportRequest -Mailbox $Mailbox -FilePath "\\FileServer\Backups\UserMailbox.pst"

5. Get-MessageTrace

   Description: Performs message trace queries to investigate email delivery issues.

   $Sender = "sender@example.com"
   $Recipient = "recipient@example.com"
   Get-MessageTrace -SenderAddress $Sender -RecipientAddress $Recipient

6. Get-InboxRule

   Description: Retrieves Inbox rules set by users.

   $Mailbox = "user@example.com"
   Get-InboxRule -Mailbox $Mailbox

7. Set-MailboxAutoReplyConfiguration

   Description: Configures automatic replies (Out of Office) for users.

   $Mailbox = "user@example.com"
   Set-MailboxAutoReplyConfiguration -Identity $Mailbox -AutoReplyState Enabled -ExternalMessage "Out of Office message"

8. New-InboxRule

   Description: Creates custom Inbox rules for users.

   $Mailbox = "user@example.com"
   New-InboxRule -Mailbox $Mailbox -Name "Move Important Emails" -MoveToFolder "Inbox\Important" -From "important@example.com"

9. Set-CalendarProcessing

   Description: Configures calendar processing settings for resource mailboxes.

   $ResourceMailbox = "ConferenceRoom@example.com"
   Set-CalendarProcessing -Identity $ResourceMailbox -AutomateProcessing AutoAccept -AllowConflicts $false

10. Get-MobileDeviceStatistics

    Description: Retrieves statistics for mobile devices connected to user mailboxes.

    $Mailbox = "user@example.com"
    Get-MobileDeviceStatistics -Mailbox $Mailbox

Remember to connect to Exchange Online using the PowerShell module and ensure you have the necessary permissions before running these scripts. Always test in a non-production environment before deploying in a live environment. Happy PowerShell scripting!

PowerShell Guide: Connect to Exchange Online with Ease