ExchangePowershell

Connect to O365 Exchange

• $UserCredential = Get-Credential
  • $Session = New-PSSession -ConfigurationName Microsoft.Exchange -ConnectionUri https://outlook.office365.com/powershell-liveid/ -Credential $UserCredential -Authentication Basic -AllowRedirection
    • Import-PSSession $Session -DisableNameChecking

Then to close the session

• Remove-PSSession $Session

Handy Commands for Exchange Powershell

• Add permission to calendar:
  • This will give a user permissions to another calendar
    • Set-MailboxFolderPermission “CalendarName:\calendar” –User default –AccessRights reviewer

• Send on Behalf
  • This will grant Charles permissions to send on behalf of Gert.
    • Set-Mailbox gert.mailbox -GrantSendOnBehalfTo charles.surname
• Send As
  • This will grant Charles permissions to send as Gert.
    • Add-ADPermission gert.mailbox -ExtendedRights Send-As -user charles.surname
• Full Mailbox Access
  • This will grant Charles full access to Gert's mailbox.
    • Add-MailboxPermission -Identity gert.mailbox -User charles.surname

Add full access permission to all mailboxes to an account:

• Get-Mailbox -ResultSize unlimited -Filter {(RecipientTypeDetails -eq 'UserMailbox') -and (Alias -ne 'Admin')} | Add-MailboxPermission -User UserAccount@domain.com -AccessRights fullaccess -InheritanceType all -AutoMapping:$False

Add Send as permissions to mailboxes:

• $UserMailboxes = Get-Mailbox | Where {$_.RecipientTypeDetails -eq “<Type of mailbox>”}
  • $UserMailboxes | Add-RecipientPermission -AccessRights SendAs –Trustee <identity>