<#

    .SYNOPSIS

    Setzt die internen und externen URLs für die Dienste von Exchange Server 2013/2016

    .DESCRIPTION

    Das Script konfiguriert die internen und externen URLs von Exchange Server 2013/2016 für folgende Dienste:

    - WebServicesVirtualDirectory

    - OutlookWebAccessDirectory

    - ECPVirtualDirectory

    - ActiveSyncVirtualDirectory

    - OABVirtualDirectory

    - AutoDiscover URL

    - Outlook Anywhere

    - MAPI over HTTP (EX 2016)

    .EXAMPLE

    & 'C:\path\set-exchange-urls.ps1' -ExchangeServer EXSRV2013.domain.local -InternalFQDN "mail.contoso.com" -ExternalFQDN "owa.contoso.com"

    .PARAMETER ExchangeServer

    Der Name oder FQDN des Exchange-Servers auf dem die URLs geändert werden sollen (z.B. EXSRV2013 oder EXSRV2013.contoso.com)

    .PARAMETER InternalFQDN

    Der interne FQDN für den Zugriff innerhalb des Netzwerks (z.B. mail.contoso.com)

    .PARAMETER ExternalFQDN

    Der externe FQDN unter dem der Exchange von außen ereichbar sein soll (z.B. owa.contoso.com)

#>

[CmdletBinding()]

param(

    [Parameter(Mandatory=$true)][ValidateNotNullOrEmpty()][string]$ExchangeServer,

    [Parameter(Mandatory=$true)][ValidateNotNullOrEmpty()][string]$InternalFQDN,

    [Parameter(Mandatory=$true)][ValidateNotNullOrEmpty()][string]$ExternalFQDN

)

begin{

    cls

    write-host "Stelle Verbindung zum Exchange-Server her ..." -F Green

    $session = $null

    try{

       $session = New-PSSession -ConfigurationName Microsoft.Exchange -ConnectionUri "http://$exchangeserver/powershell" -Authentication Kerberos -Credential (get-credential)

        Import-PSSession $session -DisableNameChecking -AllowClobber | out-null

    }catch{

        write-host $_.Exception.Message -F Red

        return

    }

    $isExchange2016 = (Get-ExchangeServer $ExchangeServer).AdminDisplayVersion -match '^Version 15\.1'

    Write-Host "Konfiguriere die URLs auf '$ExchangeServer' ..." -Foregroundcolor Green

}

process{

    Write-Host "Setze EWS-URL ..." -F Green

    Get-WebservicesVirtualDirectory -Server $ExchangeServer | Set-WebservicesVirtualDirectory -InternalURL https://$InternalFQDN/EWS/Exchange.asmx -ExternalURL https://$ExternalFQDN/EWS/Exchange.asmx

    Write-Host "Setze OWA-URL ..." -F Green

    Get-OwaVirtualDirectory -Server $ExchangeServer | Set-OwaVirtualDirectory -InternalURL https://$InternalFQDN/owa -ExternalURL https://$ExternalFQDN/owa

    Write-Host "Setze ECP-URL ..." -F Green

    Get-EcpVirtualDirectory -Server $ExchangeServer | Set-EcpVirtualDirectory -InternalURL https://$InternalFQDN/ecp -ExternalURL https://$ExternalFQDN/ecp

    Write-Host "Setze ActiveSync-URL ..." -F Green

    Get-ActiveSyncVirtualDirectory -Server $ExchangeServer | Set-ActiveSyncVirtualDirectory -InternalURL https://$InternalFQDN/Microsoft-Server-ActiveSync -ExternalURL https://$ExternalFQDN/Microsoft-Server-ActiveSync

    Write-Host "Setze OAB-URL ..." -F Green

    Get-OABVirtualDirectory -Server $ExchangeServer | Set-OABVirtualDirectory -InternalUrl https://$InternalFQDN/OAB -ExternalURL https://$ExternalFQDN/OAB

    Write-Host "Setze AutoDiscover-URL ..." -F Green

    if ($isExchange2016){

        Set-ClientAccessService $ExchangeServer -AutodiscoverServiceInternalUri https://$InternalFQDN/Autodiscover/Autodiscover.xml

    }else{

        Set-ClientAccessServer $ExchangeServer -AutodiscoverServiceInternalUri https://$InternalFQDN/Autodiscover/Autodiscover.xml

    }

    Write-Host "Setze Outlook-Anywhere-Einstellungen ..." -F Green

    Set-OutlookAnywhere -Identity "$ExchangeServer\Rpc (Default Web Site)" -InternalHostname $InternalFQDN -ExternalHostName $ExternalFQDN -InternalClientAuthenticationMethod ntlm -InternalClientsRequireSsl:$True -ExternalClientAuthenticationMethod NTLM -ExternalClientsRequireSsl:$True

    if ($isExchange2016){

        Write-Host "Setze Mapi-over-HTTP-URL ..." -F Green

        Get-MapiVirtualDirectory -Server $ExchangeServer | Set-MapiVirtualDirectory -InternalURL https://$InternalFQDN/mapi -ExternalURL https://$ExternalFQDN/mapi

    }

}

end{

    # Anzeigen der neu gesetzten URLs

    Write-Host "`n$('='*70)`nDie neuen URLs auf '$ExchangeServer' lauten nun wie folgt:`n$('='*70)`n" -F Green

    Write-Host "EWS" -F Green

    Get-WebservicesVirtualDirectory -Server $ExchangeServer | fl internalURL,ExternalURL

    Write-Host "OWA" -F Green

    Get-OWAVirtualDirectory -Server $ExchangeServer | fl internalUrl,ExternalURL

    Write-Host "ECP" -F Green

    Get-ECPVirtualDirectory -Server $ExchangeServer | fl InternalURL,ExternalURL

    Write-Host "ActiveSync" -F Green

    Get-ActiveSyncVirtualDirectory -Server $ExchangeServer | fl InternalURL,ExternalURL

    Write-Host "OAB" -F Green

    Get-OABVirtualDirectory -Server $ExchangeServer | fl InternalURL,ExternalURL

    Write-Host "Autodiscover URL" -F Green

    if($isExchange2016){

        Get-ClientAccessService $ExchangeServer | fl AutodiscoverServiceInternalUri

    }else{

        Get-ClientAccessServer $ExchangeServer | fl AutodiscoverServiceInternalUri

    }

    Write-Host "Outlook Anywhere Einstellungen" -F Green

    Get-OutlookAnywhere -Identity "$ExchangeServer\rpc (Default Web Site)" |fl internalhostname,internalclientauthenticationmethod,internalclientsrequiressl,externalhostname,externalclientauthenticationmethod,externalclientsrequiressl

    if($isExchange2016){

        write-Host "MAPI over HTTP" -F Green

        Get-MapiVirtualDirectory -Server $ExchangeServer | fl InternalURL,ExternalURL

    }

    Write-Host "`n$('='*70)`nAbschließende Aufräumarbeiten`n$('='*70)`n" -Foregroundcolor Green

    Write-Host "Starte IIS-Dienste neu ..." -F Green

    iisreset $ExchangeServer

    write-host "Beende Exchange-Session" -F Green

    Remove-PSSession $session

    write-host "SKRIPT BEENDET" -F Green

    write-host 'HINWEIS: Sollte eine der URL noch nicht greifen empfehle ich einen Neustart des Servers.' -F DarkYellow

}

 &'C:\path\set-exchange-urls.ps1' -ExchangeServer EXSRV2013.domain.local -InternalFQDN "mail.contoso.com" -ExternalFQDN "owa.contoso.com"