Microsoft 365 Exchange Online: User (Mailbox) Last Logon Time anzeigen
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Connect to Exchange Online
Install-Module ExchangeOnlineManagement -Force -AllowClobber # if not already installed
Connect-ExchangeOnline
Set-Location C:\
Find orphaned users
$date = (Get-Date).AddDays(-1)
Get-EXOMailbox -RecipientTypeDetails UserMailBox -ResultSize Unlimited -Filter "Name -notlike '*discover*'" |
Get-MailboxStatistics | Where-Object LastLogonTime -LE $date |
Sort-Object LastLogonTime | Select-Object DisplayName, MailboxTypeDetail,LastLogonTime,TotalItemSize