====== Powershell-Verbindung und Exchange Online ======

===== Verbindung zu Exchange Online mit Basic Auth =====

1.Execution Policy anpassen

Powershell als **Administrator** öffnen:

<code |powershell>
Set-ExecutionPolicy RemoteSigned
</code>

2. Verbindung herstellen

==== In der German Cloud (obsolet) ====

Nachfolgende Powershell kann als **normaler Benutzer** gestartet werden:

<code |powershell>
$UserCredential = Get-Credential
$Session = New-PSSession -ConfigurationName Microsoft.Exchange -ConnectionUri https://outlook.office.de/powershell-liveid/ -Credential $UserCredential -Authentication Basic -AllowRedirection
</code>

==== In der Worldwide Cloud (obsolet) ====

<code |powershell>
$UserCredential = Get-Credential
$Session = New-PSSession -ConfigurationName Microsoft.Exchange -ConnectionUri https://outlook.office365.com/powershell-liveid/ -Credential $UserCredential -Authentication Basic -AllowRedirection
</code>

Nachfolgende Befehle sind wieder für alle Cloudvarianten gültig:

<code |powershell>
Import-PSSession $Session -DisableNameChecking
</code>

==== Verbindung trennen ====

<code |powershell>
Remove-PSSession $Session 
</code>

===== Verbindung zu Exchange Online mit Modern Auth =====

<code |powershell>
Install-Module -Name ExchangeOnlineManagement 
Import-Module ExchangeOnlineManagement
</code>

<code |powershell>
Connect-ExchangeOnline -UserPrincipalName admin@meintenant.onmicrosoft.com
</code>

<code |powershell>
Disconnect-ExchangeOnline
</code>
===== Exchange-Kontakte Import/Export =====

==== Export ====

<code |powershell>
Get-MailContact -ResultSize unlimited | export-csv c:\temp\Contacts.csv
</code>
==== Import ====

<code |powershell>
Import-Csv .\ExternalContacts.csv | ForEach-Object {New-MailContact -Name $_.Name -DisplayName $_.Name -ExternalEmailAddress $_.ExternalEmailAddress -FirstName $_.FirstName -LastName $_.LastName}
$contacts = Import-CSV .\ExternalContacts.csv
$contacts | ForEach {Set-Contact $_.Name -StreetAddress $_.StreetAddress -City $_.City -StateorProvince $_.StateorProvince -PostalCode $_.PostalCode -Phone $_.Phone -MobilePhone $_.MobilePhone -Pager $_.Pager -HomePhone $_.HomePhone -Company $_.Company -Title $_.Title -OtherTelephone $_.OtherTelephone -Department $_.Department -Fax $_.Fax -Initials $_.Initials -Notes $_.Notes -Office $_.Office -Manager $_.Manager}
</code>