$ErrorActionPreference = 'Continue'
Write-Output '=== WinRM service ==='
Get-Service WinRM | Select-Object Name, Status, StartType | Format-Table -AutoSize
Write-Output '=== Test-WSMan localhost ==='
try { Test-WSMan -ComputerName neptune -ErrorAction Stop | Out-String } catch { Write-Output "FAIL: $($_.Exception.Message)" }
Write-Output '=== WinRM listeners ==='
winrm enumerate winrm/config/listener 2>&1
Write-Output '=== Exchange PowerShell vdir session test ==='
try {
  $s = New-PSSession -ConfigurationName Microsoft.Exchange -ConnectionUri http://neptune/PowerShell/ -Authentication Kerberos -ErrorAction Stop
  Write-Output "SESSION OK: $($s.State)"
  Remove-PSSession $s
} catch { Write-Output "FAIL: $($_.Exception.Message)" }
Write-Output '=== plain PSSession test ==='
try {
  $s2 = New-PSSession -ComputerName neptune -ErrorAction Stop
  Write-Output "SESSION OK: $($s2.State)"
  Remove-PSSession $s2
} catch { Write-Output "FAIL: $($_.Exception.Message)" }