################################################################################################################# # # Password-Expiration-Notifications v20221028 # Last modified: By Summa Lai # Originally from v1.4 @ https://gallery.technet.microsoft.com/Password-Expiry-Email-177c3e27 # Script to Automated Email Reminders when Users Passwords due to Expire. # # Requires: Windows PowerShell Module for Active Directory # ################################################################################################################## # Please Configure the following variables.... $testing = $true # Set to $false to Email Users. $true to email samples to administrators only (see $sampleEmails below) $SearchBase="DC=summalai,DC=com" ### PURGING this option; seems to cause issue. # $ExcludeList="'New Employees'|'Separated Employees'" #in the form of "SubOU1|SubOU2|SubOU3" -- possibly needing single quote for OU's with spaces, separate OU's with pipe and double-quote the list. [System.Net.ServicePointManager]::SecurityProtocol = [System.Net.SecurityProtocolType]::Tls12; $expireindays = 14 #number of days of soon-to-expire paswords. i.e. notify for expiring in X days (and every day until $negativedays) $negativedays = -3 #negative number of days (days already-expired). i.e. notify for expired X days ago $from = "Password Administrator " $logging = $true # Set to $false to Disable Logging $logNonExpiring = $false $logFile = "c:\temp\PS-pwd-expiry.csv" # ie. c:\mylog.csv $adminEmailAddr = "Summa.Lai@summalai.com" # $adminEmailAddr = "help@summalai.com","Summa.Lai@summalai.com","support@summalai.com" #multiple addr allowed but MUST be independent strings separated by comma $sampleEmails = 20 #number of sample email to send to adminEmailAddr when testing ; in the form $sampleEmails="ALL" or $sampleEmails=[0..X] e.g. $sampleEmails=0 or $sampleEmails=3 or $sampleEmails="all" are all valid. $smtpCredentialsUsername = "Do-Not-Reply@summalai.com" $smtpCredentialsPassword = ConvertTo-SecureString -String "PASSWORD-HERE" -AsPlainText -Force $smtpServer = "smtp.office365.com" $Creds = New-Object -TypeName System.Management.Automation.PSCredential -ArgumentList $smtpCredentialsUsername, $smtpCredentialsPassword # please edit $body variable within the code ################################################################################################################### # System Settings $textEncoding = [System.Text.Encoding]::UTF8 $date = Get-Date -format yyyy-MM-dd #for logfile only $starttime=Get-Date #need time also; don't use date from above Write-Host "Processing `"$SearchBase`" for Password-Expiration-Notifications" Write-Host "Testing Mode: $testing" # Get Users From AD who are Enabled, Passwords Expire Import-Module ActiveDirectory Write-Host "Gathering User List" $users = get-aduser -SearchBase $SearchBase -Filter {(enabled -eq $true) -and (passwordNeverExpires -eq $false)} -properties sAMAccountName, displayName, PasswordNeverExpires, PasswordExpired, PasswordLastSet, EmailAddress, lastLogon, whenCreated Write-Host "Filtering User List" ### PURGING this option; seems to cause issue. # $users = $users | Where-Object {$_.DistinguishedName -notlike $ExcludeList} ##also try -notmatch, needs heavy testing $DefaultmaxPasswordAge = (Get-ADDefaultDomainPasswordPolicy).MaxPasswordAge $countprocessed=${users}.Count $samplesSent=0 $countsent=0 $countnotsent=0 $countfailed=0 $nonexpiring=0 Write-Host "${countprocessed} user-accounts selected to iterate." #set max sampleEmails to send to $adminEmailAddr if ( $sampleEmails -isNot [int]) { if ( $sampleEmails.ToLower() -eq "all") { $sampleEmails=$users.Count } #else use the value given } if (($testing -eq $true) -and ($sampleEmails -ge 0)) { Write-Host "Testing only; $sampleEmails email samples will be sent to $adminEmailAddr" } elseif (($testing -eq $true) -and ($sampleEmails -eq 0)) { Write-Host "Testing only; emails will NOT be sent" } # Create CSV Log if ($logging -eq $true) { #Always purge old CSV file Out-File $logfile Add-Content $logfile "`"Date`",`"SAMAccountName`",`"DisplayName`",`"Created`",`"PasswordSet`",`"DaystoExpire`",`"ExpiresOn`",`"EmailAddress`",`"Notified`"" } # Process Each User for Password Expiry foreach ($user in $users) { $dName = $user.displayName $sName = $user.sAMAccountName $emailaddress = $user.emailaddress $whencreated = $user.whencreated $passwordSetDate = $user.PasswordLastSet $sent = "" # Reset Sent Flag $PasswordPol = (Get-AduserResultantPasswordPolicy $user) # Check for Fine Grained Password if (($PasswordPol) -ne $null) { $maxPasswordAge = ($PasswordPol).MaxPasswordAge } else { # No FGPP set to Domain Default $maxPasswordAge = $DefaultmaxPasswordAge } #If maxPasswordAge=0 then same as passwordNeverExpires, but PasswordCannotExpire bit is not set if ($maxPasswordAge -eq 0) { Write-Host "$sName : MaxPasswordAge = $maxPasswordAge (i.e. PasswordNeverExpires) but bit not set -- User not selected to receive email." } $expiresOn = $passwordsetdate + $maxPasswordAge $today = (get-date) if ( ($user.passwordexpired -eq $false) -and ($maxPasswordAge -ne 0) ) { #not Expired and not PasswordNeverExpires $daystoexpire = (New-TimeSpan -Start $today -End $expiresOn).Days } elseif ( ($user.passwordexpired -eq $true) -and ($passwordSetDate -ne $null) -and ($maxPasswordAge -ne 0) ) { #if expired and passwordSetDate exists and not PasswordNeverExpires # i.e. already expired $daystoexpire = -((New-TimeSpan -Start $expiresOn -End $today).Days) } else { # i.e. (passwordSetDate = never) OR (maxPasswordAge = 0) $daystoexpire="NA" $nonexpiring += 1 #continue #"continue" would skip user, but bypass any non-expiry logging } #Write-Host "$sName : DaysToExpire: $daystoexpire MaxPasswordAge: $maxPasswordAge" #debug # Set verbiage based on Number of Days to Expiry. Switch ($daystoexpire) { {$_ -ge $negativedays -and $_ -le "-1"} {$messageDays = "has expired"} "0" {$messageDays = "will expire today"} "1" {$messageDays = "will expire in 1 day"} default {$messageDays = "will expire in " + "$daystoexpire" + " days"} } # Email Subject Set Here $subject="Your password $messageDays" # Email Body Set Here, Note You can use HTML, including Images. $body="

Your password for your $emailaddress account $messageDays. After expired, you will not be able to login until your password is changed.

Please visit https://portal.summalai.com to change your password.

Password requirements:
• Must be a minimum of 16 characters.
• Must include letters, numbers, and special characters.
• Must not include first or last name.
• Must not be a password that you have used in the past.
• Must be UNIQUE and not used on any other system.

Once you have changed your password, please immediately log off all sessions including your laptop. You will be asked to login to your laptop and email accounts with your new password.

If you have any questions, please contact helpdesk or Summa Lai.

Thank you!
help@summalai.com
summa.lai@summalai.com

" # If testing-enabled and send-samples, then set recipient to adminEmailAddr else user's EmailAddress if (($testing -eq $true) -and ($samplesSent -le $sampleEmails)) { $recipient = $adminEmailAddr } else { $recipient = $emailaddress } #if in trigger range, send email if ( ($daystoexpire -ge $negativedays) -and ($daystoexpire -le $expireindays) -and ($daystoexpire -ne "NA") ) { Write-Host "$sName : Selected to receive email: password ${messageDays}" # Send Email Message if (($emailaddress) -ne $null) { if ( ($testing -eq $false) -or (($testing -eq $true) -and ($samplesSent -lt $sampleEmails)) ) { try { Send-Mailmessage -from $from -to $recipient -subject $subject -smtpServer $smtpServer -Credential $creds -UseSsl -Port 587 -body $body -bodyasHTML -priority High -Encoding $textEncoding -ErrorAction Stop -ErrorVariable err } catch { write-host "Error: Could not send email to $recipient via $smtpServer" $sent = "Send fail" $countfailed++ } finally { if ($err.Count -eq 0) { write-host "Sent email for $sName to $recipient" $countsent++ if ($testing -eq $true) { $samplesSent++ $sent = "toAdmin" } else { $sent = "Yes" } } } } else { Write-Host "Testing mode: skipping email to $recipient" $sent = "No" $countnotsent++ } } else { Write-Host "$dName ($sName) has no email address." $sent = "No addr" $countnotsent++ } # If Logging is Enabled Log Details if ($logging -eq $true) { Add-Content $logfile "`"$date`",`"$sName`",`"$dName`",`"$whencreated`",`"$passwordSetDate`",`"$daystoExpire`",`"$expireson`",`"$emailaddress`",`"$sent`"" } } else { #if ( ($daystoexpire -eq "NA") -and ($maxPasswordAge -eq 0) ) { Write-Host "$sName PasswordNeverExpires" } elseif ($daystoexpire -eq "NA") { Write-Host "$sName PasswordNeverSet" } #debug # Log Non Expiring Password if ( ($logging -eq $true) -and ($logNonExpiring -eq $true) ) { if ($maxPasswordAge -eq 0 ) { $sent = "NeverExp" } else { $sent = "No" } Add-Content $logfile "`"$date`",`"$sName`",`"$dName`",`"$whencreated`",`"$passwordSetDate`",`"$daystoExpire`",`"$expireson`",`"$emailaddress`",`"$sent`"" } } } # End User Processing $endtime=Get-Date $totaltime=($endtime-$starttime).TotalSeconds $minutes="{0:N0}" -f ($totaltime/60) $seconds="{0:N0}" -f ($totaltime%60) Write-Host "$countprocessed Users from `"$SearchBase`" Processed in $minutes minutes $seconds seconds." Write-Host "Email trigger range from $negativedays (past) to $expireindays (upcoming) days of user's password expiry date." Write-Host "$nonexpiring Non-Expiring accounts." Write-Host "$countsent Emails Sent." Write-Host "$countnotsent Emails skipped." Write-Host "$countfailed Emails failed." # sort the CSV file if ($logging -eq $true) { Rename-Item $logfile "$logfile.old" import-csv "$logfile.old" | sort ExpiresOn | export-csv $logfile -NoTypeInformation Remove-Item "$logFile.old" Write-Host "CSV File created at ${logfile}." if ($testing -eq $true) { $body="Testing Mode.
" } else { $body="" } $body+=" CSV Attached for $date
$countprocessed Users from `"$SearchBase`" Processed in $minutes minutes $seconds seconds.
Email trigger range from $negativedays (past) to $expireindays (upcoming) days of user's password expiry date.
$nonexpiring Non-Expiring accounts.
$countsent Emails Sent.
$countnotsent Emails skipped.
$countfailed Emails failed. " try { #Send-Mailmessage -smtpServer $smtpServer -from $from -to $adminEmailAddr -subject "Password Expiry Logs" -body $body -bodyasHTML -Attachments "$logFile" -priority High -Encoding $textEncoding -ErrorAction Stop -ErrorVariable err Send-Mailmessage -from $from -to $adminEmailAddr -subject "Password Expiry Logs" -smtpServer $smtpServer -Credential $creds -UseSsl -Port 587 -body $body -bodyasHTML -Attachments "$logFile" -priority High -Encoding $textEncoding -ErrorAction Stop -ErrorVariable err } catch { write-host "Error: Failed to email CSV log to $adminEmailAddr via $smtpServer" } finally { if ($err.Count -eq 0) { write-host "CSV emailed to $adminEmailAddr" } } } # End