The skinny on Windows SPP

10.11.2006

- Failure to activate within the grace period (30 days after installation)

- Failure to renew activation within 3 days of a major hardware replacement

OEM License (or non-volume-license enterprise with OEM-sourced, pre-activated Vista image):

Failure to activate within 3 days of switch to a non-OEM motherboard

Enterprise License using KMS: