Helper script to query Exchange AutoDiscover v2 endpoints

Test-AutoDv2.ps1

param(
    [Parameter(Mandatory = $true)]
    [string]$Email, # Email address to query AutoD for
    [Parameter(Mandatory = $true)]
    [ValidateSet('EWS', 'ActiveSync', 'Rest')] # Protocol to use
    [string]$Protocol,
    [string]$Server = 'outlook.office365.com'  # Default to Office 365, use another server if needed
)

$uri = "https://$Server/autodiscover/autodiscover.json?Email=$Email&Protocol=$Protocol"

try {
    $result = Invoke-RestMethod -Uri $uri -Headers @{ 'Accept' = 'application/json' } -TimeoutSec 30
    Write-Host "Queried: $uri" -ForegroundColor Cyan
    $result
}
catch {
    Write-Warning "Failed to query AutoD for $Email using $Protocol. Error: $_"
}