Offline activation is performed using the or the slmgr.vbs script combined with a Confirmation ID (CID) generated by Microsoft’s Activation Call Center or a hosted activation service.
slmgr /atp <ConfirmationID> Example:
slmgr /atp 12345678901234567890 Check activation status: windows server 2022 offline activation
slmgr /ipk XXXXX-XXXXX-XXXXX-XXXXX-XXXXX Replace the X’s with your actual MAK. Generate the installation ID required for phone activation: Offline activation is performed using the or the slmgr