Powershell login komutları;

$UserCredential = Get-Credential

$Session = New-PSSession -ConfigurationName Microsoft.Exchange -ConnectionUri https://outlook.office365.com/powershell-liveid/ -Credential $UserCredential -Authentication Basic -AllowRedirectionImport-PSSession $Session

Owa policy disable ( web de bu satır bulunmuyor. )

Set-OwaMailboxPolicy -Identity OwaMailboxPolicy-Default -SetPhotoEnabled $false