Slmgr.exe -fta Certificate Thumbprint Force token-based activation using the identified certificate.Microsoft Community Chat Helpful resources Slmgr.exe -ltc List valid token-based activation certificates that can activate installed software Slmgr.exe -ctao Clear the Token-based Activation Only flag (default), enabling automatic KMS activation. Slmgr.exe -stao Set the Token-based Activation Only flag, disabling automatic KMS activation. Slmgr.exe -ril ILID ILvID Remove an installed token-based activation issuance license. Slmgr.exe -lil List the installed token-based activation issuance licenses. Slmgr.exe -xpr Show the expiry date of current license (if not permanently activated). Slmgr.exe -upk Uninstall current installed product key and return license status back to trial state. Slmgr.exe -cdns Disable DNS publishing by the KMS host. Slmgr.exe -sdns Enable DNS publishing by the KMS host (default). Slmgr.exe -sprt port Sets the port on which the KMS host listens for client activation requests. Slmgr.exe -cpri Set the KMS priority to low. Slmgr.exe -spri Set the KMS priority to normal (default) Slmgr.exe -sri interval Sets the renewal interval in minutes for activated clients to attempt KMS connection. The activation interval must be between 15 - 30 days 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.

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