Useful Exchange PowerShell Commands – The Ultimate List.

In this post we are going to look at a list of useful Exchange PowerShell commands that should be apart of any Sysadmin’s arsenal when managing an Exchange environment.

Notes on regular expressions/wildcards:

Three of the codes that I’ve found to be particularly useful and you will see being used in quite a few examples below – ^ (Begins With), $ (Ends With) and | (OR) and of course (*) is a wildcard for all.

The beginning of the command dictates the result:

  • Get – Gathers existing setting
  • Add – Adds a new non-existing change, cannot change pre-existing
  • Set – Amends current setting

To fit your requirements you can change the beginning of any of the commands below

Remotely use PowerShell commands on Exchange Server

$UserCredential = Get-Credential

$Session = New-PSSession -ConfigurationName Microsoft.Exchange -ConnectionUri http://ExchangeServer/PowerShell/ -Authentication Kerberos -Credential $UserCredential

Import-PSSession $Session

Mailbox/Exchange information

Get all Exchange Servers:

Get-ExchangeServer | fl

Get all mailbox databases:

Get-MailboxDatabase | fl

Get internal and external url for the ECP web page:

Get-ECPVirtualDirectory | Format-List Name,InternalURL,ExternalURL

Get a specific mailbox on a specific Exchange server, including status information:

Get-MailboxDatabase -Identity “MailboxDatabase” -Server “Server” -Status | Format-List

Get Mailbox details:

Get-Mailbox -identity “MailboxName” | fl

Search for multiple mailboxes with similar or matching Display Name:

Get-Mailbox | Where-Object {$_.displayname -like ‘*User*Name*‘} | fl

Get-Mailbox -resultsize unlimited | Where-object {$_.displayname -match “^UserMailboxName“} | fl

Mailbox statistics:

Get-MailboxStatistics  -Filter ‘displayName -eq “NameOfMailbox“‘ | fl

Mailbox statistics from a specific database:

Get-MailboxStatistics -Database “Recovery” -Filter ‘displayName -eq “NameOfMailbox“‘ | fl

Mailbox Access permissions

 Get mailbox permissions:

Get-MailboxPermission -identity “MailboxName” | fl

Set mailbox permission:

Set-MailboxPermission -identity “MailboxName” -user “UserRequiringAccess” -AccessRights FullAccess

 Search for mailboxes by name and then add mailbox permission:

Get-Mailbox -resultsize unlimited | Where-object { $_.displayname -match “^UserMailboxName“} | ForEach-Object {Set-MailboxPermission -identity $_.displayname  -user “UserRequiringAccess” -AccessRights FullAccess}

Mailbox Calendars

Find calendar:

Get-Mailbox | Get-MailboxFolderStatistics | Where-Object {$_.folderpath -like ‘/calendar/*Users*Calendar*‘ } | select identity, name | ft -wrap

Add calendar permissions:

Add-MailboxFolderPermission -Identity “MailboxName:\Calendar” -User UserRequiringAccess -AccessRights Reviewer

Search for mailboxes by name and get calendar permissions:

Get-mailbox -resultsize unlimited | Where-object {$_.displayname -match “^UserMailboxName“} | ForEach-Object {Get-MailboxFolderPermission “$($_.displayname):\Calendar”} | ft LegacyExchangeDN,Foldername,user,accessrights -Wrap -AutoSize

Search for mailboxes by name and add calender permissions to all eligible calendars:

Get-mailbox -resultsize unlimited | Where-object {$_.displayname -match “^UserMailboxName“} | ForEach-Object {Add-MailboxFolderPermission “$($_.displayname):\Calendar” -User “UserRequiringAccess” -AccessRights “Editor” }

Give one user access to all mailboxes calendars:

Get-mailbox | foreach-object {add-MailboxFolderPermission $_”:\Calendar” -User -AccessRights Reviewer}

Remove calendar permissions that match a name:

Get-mailbox | Where-object {$ -match “^svc_|^admin|^Test|^User“} | ForEach-Object {Remove-MailboxFolderPermission “$($\Calendar” -user “UserWithAccess“} | fl Displayname, User, AccessRights

Add permissions to Imbedded Calendar in a Calendar:

Add-MailboxFolderPermission “Mailbox:\Calendar\Conference lines & Internal Meeting Rooms\” -user “UserRequiringAccess” -Accessrights PublishingEditor

Mailbox Send Rights and Forwards

Set multiple users to send on behalf rights:

Set-Mailbox “MailboxName” -GrantSendOnBehalfTo @{add=”User1“,”User2“}

Send-As permissions:

Add-ADPermission “MailboxDisplayNameinAD” -ExtendedRights Send-As -user “UsersFirst.Lastname

Set message to appear in shared mailboxes sent items:

Set-Mailbox -identity “MailboxName” -MessageCopyForSendOnBehalfEnabled $true -MessageCopyForSentAsEnabled $true

Sets email forwarding on mailbox:

Set-Mailbox -Identity “MailboxName” -ForwardingAddress “” -DeliverToMailboxAndForward $true

Disconnected Mailboxes (Deleted Mailboxes)

Connects mailbox via Mailbox ID to AD User:

Connect-mailbox –database “DatabaseName” –Identity 1a6683df-8de2-4123-ba81-1144dad7deea –User “UsersUsername

See all disconnected mailboxes:

Get-MailboxStatistics -Server ServerName | where { $_.DisconnectDate -ne $null } | select DisplayName,DisconnectDate,Database,Identity

Search for individual disconnected mailboxes:

Get-MailboxStatistics -Server ServerName | where { ($_.DisconnectDate -ne $null) -and ($_.DisplayName -like “Sarah*“)} | select DisplayName,DisconnectDate,Database,Identity

Check that the mailbox has been re-connected successfully if doubts:

Get-MailboxStatistics -Server ServerName | where { $_.DisconnectDate -eq $null} | where DisplayName -eq “” | select DisplayName,DisconnectDate,Database,Identity,User

Mailbox customer attributes and address book policies

Set a custom attribute on a mailbox:

Get-Mailbox -OrganizationalUnit “OU=Test,DC=Contoso,DC=com” | Set-Mailbox -CustomAttribute1 “test

Create an address list containing all users and distribution groups where CustomAttribute15 equals TAIL:

New-AddressList -Name “AL_TAIL_Users_DGs” -RecipientFilter {((RecipientType -eq ‘UserMailbox‘) -or (RecipientType -eq “MailUniversalDistributionGroup“) -or (RecipientType -eq “DynamicDistributionGroup“)) -and (CustomAttribute15 -eq “TAIL“)}



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One thought on “Useful Exchange PowerShell Commands – The Ultimate List.

  1. Pingback: Restoring a Mailbox or specific Mailbox data in Exchange | Windows SysAdmin Hub

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