Slmgr.exe -sai interval Sets the interval in minutes for unactivated clients to attempt KMS connection. This setting instructs the client to use DNS auto-discovery each time it attempts KMS activation Slmgr.exe -ckhc Disable KMS host caching. Slmgr.exe -skhc Enable KMS host caching (default), this blocks the use of DNS priority and weight after the initial discovery of a working KMS host. Slmgr.exe -skms activationservername:port Set the Volume Licensing KMS server and/or the port used for KMS activation (where supported by your Windows edition). Slmgr.exe -rearm Reset the evaluation period/licensing status and activation state of the machine. Slmgr.exe -rilc Re-install system license files. Slmgr.exe -ilc License_file Install license. Slmgr.exe -ipk Key Enter a new product key supplied as xxxxx-xxxxx-xxxxx-xxxxx-xxxxx. Slmgr.exe -dti Display Installation ID for offline activation. Slmgr.exe -dlv Verbose, similar to -dli but with more information. Slmgr.exe -dli Display the current license information with activation status and partial product key. Slmgr.exe -cpky Clear product key from the registry (prevents disclosure attacks). Slmgr.exe -ckms Clear the name of KMS server used to default and port to default. Slmgr.exe -atp Confirmation_ID Activate Windows with user-provided Confirmation ID. Slmgr.exe -ato Activate Windows license and product key against Microsoft’s server.
