Exchange – Useful Powershell Commands

Here is some useful Powershell Commands for reports:

• Connect to Office 365 / Exchange Online

1. • Open the Windows PowerShell as Administrator

• • Execute the following command $LiveCred = Get-Credential and enter the admin credentials in the popup dialog.

• • Execute the following commands:
    $Session = New-PSSession -ConfigurationName Microsoft.Exchange -ConnectionUri https://ps.outlook.com/powershell/ -Credential $LiveCred -Authentication Basic -AllowRedirection
Import-PSSession $Session

and enter the admin credentials in the popup dialog.
*Press enter at Import-PSSession $Session

List All Email Adresses in a .txt file

Get-recipient -resultsize unlimited | select Name -expand emailaddresses > c:\emailadresses.txt

List All Mailbox Sizes in a .html file

Get-Mailbox –ResultSize Unlimited | Get-MailboxStatistics | Sort-Object TotalItemSize -Descending | convertto-html DisplayName, LastLoggedOnUserAccount,  LastLogonTime, TotalItemSize, ItemCount, @{label=”TotalItemSize(MB)”;expression={$_.TotalItemSize.Value.ToMB()}} | set-content c:\mailboxsizes.html

List All Mailbox Permissions in a .csv file

Get-Mailbox | Get-MailboxPermission | where {$_.user.tostring() -ne “NT AUTHORITY\SELF” -and $_.IsInherited -eq $false} | Select Identity,User,@{Name=’Access Rights’;Expression={[string]::join(‘, ‘, $_.AccessRights)}} | Export-Csv -NoTypeInformation c:\mailboxpermissions.csv

List Mailboxes by mailbox databases

Get-Mailbox | Sort database, name | Format-Table name, database

• Here is some useful Powershell Commands for Export/Import:

Granting User Rights for Mailbox Exports in Exchange 2010

New-ManagementRoleAssignment -Role “Mailbox Import Export” -User Administrator

IMPORT MAILBOX:

New-MailboxImportRequest -Mailbox “Administrator” -FilePath “\\Exchange\Backup_PSTs\$($i.Alias).pst” 

EXPORT MAILBOX:

New-MailboxExportRequest -Mailbox administrator -FilePath “\\Exchange\Backup_PSTs\$($i.Alias).pst”

EXPORT ALLE MAILBOXE:

foreach ($i in (Get-Mailbox)) { New-MailboxExportRequest -Mailbox $i -FilePath “\\Exchange\Backup_PSTs\$($i.Alias).pst” }

EXPORT ALLE FRA OU:

foreach ($i in (Get-Mailbox -OrganizationalUnit “domain.dk”)) { New-MailboxExportRequest -Mailbox $i -FilePath “\\Exchange\Backup_PSTs\$($i.Alias).pst” }

SE STATUS PÅ EXPORT:

Get-MailboxExportRequest | Get-MailboxExportRequestStatistics

FJERN FULDFØRTE FORESPØRGSLER :

Get–MailboxExportRequest -Status Completed | Remove-MailboxExportRequest

Full Accesss to All Mailboxes

Get-Mailbox -ResultSize unlimited -Filter {(RecipientTypeDetails -eq ‘UserMailbox’) -and (Alias -ne ‘Admin’)} | Add-MailboxPermission -User Administrator@domain.dk -AccessRights fullaccess -InheritanceType all

• Here is some useful Powershell Commands for Database Management:

List Mailboxes by mailbox databases

Get-Mailbox | Sort database, name | Format-Table name, database

Move all mailboxes from one database to another database

1. Launch the Exchange Management Shell > Firstly lets get the names of my Databases, then I can simply copy and paste them into the move mailbox command.