Import-Module ActiveDirectory -Force
 
If ($args)
{
$Userlogin = $args[0]
}
 
else
 
{
Add-Type -AssemblyName System.Windows.Forms
Add-Type -AssemblyName System.Drawing
 
$form = New-Object System.Windows.Forms.Form
$form.Text = 'Passwort-Display'
$form.Size = New-Object System.Drawing.Size(300,200)
$form.StartPosition = 'CenterScreen'
 
$OKButton = New-Object System.Windows.Forms.Button
$OKButton.Location = New-Object System.Drawing.Point(75,120)
$OKButton.Size = New-Object System.Drawing.Size(75,23)
$OKButton.Text = 'OK'
$OKButton.DialogResult = [System.Windows.Forms.DialogResult]::OK
$form.AcceptButton = $OKButton
$form.Controls.Add($OKButton)
 
$CancelButton = New-Object System.Windows.Forms.Button
$CancelButton.Location = New-Object System.Drawing.Point(150,120)
$CancelButton.Size = New-Object System.Drawing.Size(75,23)
$CancelButton.Text = 'Cancel'
$CancelButton.DialogResult = [System.Windows.Forms.DialogResult]::Cancel
$form.CancelButton = $CancelButton
$form.Controls.Add($CancelButton)
 
$label = New-Object System.Windows.Forms.Label
$label.Location = New-Object System.Drawing.Point(10,20)
$label.Size = New-Object System.Drawing.Size(280,20)
$label.Text = 'Bitte sAMAccountName eingeben:'
$form.Controls.Add($label)
 
$textBox = New-Object System.Windows.Forms.TextBox
$textBox.Location = New-Object System.Drawing.Point(10,40)
$textBox.Size = New-Object System.Drawing.Size(260,20)
$form.Controls.Add($textBox)
 
$form.Topmost = $true
 
$form.Add_Shown({$textBox.Select()})
$result = $form.ShowDialog()
 
if ($result -eq [System.Windows.Forms.DialogResult]::OK)
{
    $Userlogin = $textBox.Text
}
 
if ($result -eq [System.Windows.Forms.DialogResult]::Cancel)
{
    exit
}
 
}
 
$Usercheck = Get-Aduser -filter {samaccountname -eq $userlogin}
 
If ($usercheck -eq $NULL)
{
[System.Reflection.Assembly]::LoadWithPartialName("System.Windows.Forms")
[System.Windows.Forms.MessageBox]::Show("Der Benutzer existiert nicht.","User " +$Userlogin,0,[System.Windows.Forms.MessageBoxIcon]::Error)
exit
}
 
$employee = Get-AdUser $Userlogin -Properties enabled,PasswordNeverExpires,PasswordLastSet,Displayname,LockedOut,"msDS-UserPasswordExpiryTimeComputed",AccountExpirationDate
 
If ($employee.enabled -like "False")
{
[System.Reflection.Assembly]::LoadWithPartialName("System.Windows.Forms")
[System.Windows.Forms.MessageBox]::Show("Benutzer "+$employee.displayname+" ist deaktiviert","User " +$Userlogin,0,[System.Windows.Forms.MessageBoxIcon]::Error)
exit
}
 
If (($employee.AccountExpirationDate) -eq $null)
{
}
else
{
 
$Ablaufdatum = ((get-date) - ($employee.AccountExpirationDate))
$Ablauftage=$Ablaufdatum.days
 
If ($Ablauftage -gt "0")
{
[System.Reflection.Assembly]::LoadWithPartialName("System.Windows.Forms")
[System.Windows.Forms.MessageBox]::Show("Benutzer: "+$employee.displayname+"  `n`n"+ "Ablaufdatum des Accounts: "+$employee.AccountExpirationDate,"User " +$Userlogin,0,[System.Windows.Forms.MessageBoxIcon]::Error)
exit
}
 
}
 
 
If ($employee.PasswordLastSet -eq $null)
{
[System.Reflection.Assembly]::LoadWithPartialName("System.Windows.Forms")
[System.Windows.Forms.MessageBox]::Show("Benutzer: "+$employee.displayname+"  `n`n"+"Das Passwort des Accounts muss bei der nächsten Anmeldung geändert werden.","User " +$Userlogin,0,[System.Windows.Forms.MessageBoxIcon]::Error)
exit
}
 
If ($employee.passwordneverexpires -like "True")
{
[System.Reflection.Assembly]::LoadWithPartialName("System.Windows.Forms")
[System.Windows.Forms.MessageBox]::Show("Benutzer: "+$employee.displayname+"  `n`n"+"Das Passwort des Accounts läuft nicht ab.","User " +$Userlogin,0,[System.Windows.Forms.MessageBoxIcon]::Error)
exit
}
 
If ($employee.LockedOut -like "True")
{
[System.Reflection.Assembly]::LoadWithPartialName("System.Windows.Forms")
[System.Windows.Forms.MessageBox]::Show("Benutzer: "+$employee.displayname+"  `n`n"+"Der Account ist gesperrt.","User " +$Userlogin,0,[System.Windows.Forms.MessageBoxIcon]::Error)
exit
}
 
$FGPP=(Get-ADUserResultantPasswordPolicy $Userlogin)
 
If($fgpp.name -eq $null) 
{
[System.Reflection.Assembly]::LoadWithPartialName("System.Windows.Forms")
$expireDate=((Get-adUser($Userlogin) -Properties PassWordLastSet).PasswordLastSet + (Get-ADDefaultDomainPasswordPolicy).MaxPasswordAge.Ticks)
$daysleft=($expireDate-(get-date)).Days
 
if($daysleft-le "0")
 
{
$daysnegative =-$daysleft
[System.Windows.Forms.MessageBox]::Show("Benutzer: "+$employee.displayname+"  `n`n"+"Regelwerk: Default Domain Policy `n`n"+"Das Passwort ist seit "+<span style="display: inline !important; float: none; background-color: transparent; color: #2b2b2b; cursor: text; font-family: 'Philosopher',sans-serif; font-size: 16px; font-style: normal; font-variant: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: left; text-decoration: none; text-indent: 0px; text-transform: none; -webkit-text-stroke-width: 0px; white-space: normal; word-spacing: 0px;">$daysnegative</span>+" Tagen abgelaufen. `n`n"+"Genauer Zeitstempel: "+$expireDate+"","User " +$Userlogin,0,[System.Windows.Forms.MessageBoxIcon]::Warning)
}
 
else{
[System.Windows.Forms.MessageBox]::Show("Benutzer: "+$employee.displayname+"  `n`n"+"Regelwerk: Default Domain Policy `n`n"+"Das Passwort muss in "+$daysleft+" Tagen geändert werden. `n`n"+"Genauer Zeitstempel: "+$expireDate+"","User " +$Userlogin,0,[System.Windows.Forms.MessageBoxIcon]::Information)
}
exit
}
 
else{
[System.Reflection.Assembly]::LoadWithPartialName("System.Windows.Forms")
$expireDate=((Get-adUser($Userlogin) -Properties PassWordLastSet).PasswordLastSet + (Get-ADUserResultantPasswordPolicy -Identity $Userlogin).MaxPasswordAge.Ticks)
$daysleft=($expireDate-(get-date)).Days
 
if($daysleft-le "0")
 
{
$daysnegative =-$daysleft
[System.Windows.Forms.MessageBox]::Show("Benutzer: "+$employee.displayname+"  `n`n"+"Regelwerk: "+$fgpp.Name+" `n`n"+"Das Passwort ist seit "+$daysnegative+" Tagen abgelaufen. `n`n"+"Genauer Zeitstempel: "+$expireDate+"","User " +$Userlogin,0,[System.Windows.Forms.MessageBoxIcon]::Warning)
}
 
else{
[System.Windows.Forms.MessageBox]::Show("Benutzer: "+$employee.displayname+"  `n`n"+"Regelwerk: "+$fgpp.Name+" `n`n"+"Das Passwort muss in "+$daysleft+" Tagen geändert werden. `n`n"+"Genauer Zeitstempel: "+$expireDate+"","User " +$Userlogin,0,[System.Windows.Forms.MessageBoxIcon]::Information)
}
exit