KMS Activation 180-Day Renewal Cycle Explained

KMS Activation 180-Day Renewal Cycle Explained

KMS activation is valid for 180 days. The client automatically attempts renewal every 7 days. If renewal fails for 180 days, the client enters a 30-day grace period.

To check your activation expiration:

slmgr /xpr

To check detailed status:

slmgr /dlv

Reference: Windows licensing guide