junecastillote / theitbros-Office-365-Password-Expiration-Notification

Send password notification expiration email to Office 365 users

Office 365 Password Expiration Notification

Step 1: Connect to Microsoft Graph PowerShell

You must first connect to Microsoft Graph.

• Using Delegated Access

  Connect-MgGraph -Scopes 'User.Read.All', 'Mail.Send', 'Domain.Read.All'

• Using App-Only Access with Certificate

  Connect-MgGraph -ClientId <client ID> -TenantId <tenant ID> -CertificateThumbprint <thumbprint>

Step 2: Update the Password Expiration Threshold and Sender Email in the Script

Open the script in the editor and modify these values.

Note: If you're using Delegated Access, the $SenderEmailAddress must be the logged in user's email address.

$PasswordNotificationWindowInDays = @(31, 17, 14, 10, 5, 3, 1)
$SenderEmailAddress = 'EMAIL ADDRESS HERE'

Step 3: Run the Script

Run the script. No parameters required.

.\Invoke-PasswordExpirationNotification.ps1