Disconnect-AllLinuxISOs.ps1

############################################
# Get User Credentials To Pass To Guest OS #
############################################

$Creds = Get-Credential

######################################################################
# Get All CentOS Linux VMs With A Configured ISO Path                #
# Use Invoke-VMScript To Eject The Mounted Media Inside The Guest OS #
# Disconnect The ISO From The VM                                     #
######################################################################

Foreach ($VM in (Get-VM | Where-Object {$_.Guest.OSFullName -like "*CentOS*"} | Get-CDDrive | Where-Object {$_.IsoPath -ne $null} | Select-Object *)){

    Write-Host "Ejecting CD-ROM In Guest For "$VM.Parent.Name""
    Invoke-VMScript -ScriptText "eject" -ScriptType Bash -VM $VM.Parent.Name -GuestCredential $Creds
    
    Write-Host "Disconnecting The ISO From "$VM.Parent.Name""
    Get-CDDrive -VM $VM.Parent.Name | Set-CDDrive -NoMedia -Confirm:$false > $null
}