End-of-life milestones on a timeline

End-of-life milestones on a timelineEnd-of-life milestones on a timeline: announcement, end-of-sale, end of maintenance, end of security fixes, last date of support and decommission, with the service level narrowing over timeAnnounceEnd-of-saleEnd of maintenanceEnd of security fixesLast date of supportDecommissionFeatures off; fixes,security and support onSecurity and supportSupport onlyMigration window: customers move to the successor across the whole spanMilestone sequence; spacing does not prescribe durations.

A generic end-of-life sequence. Each milestone switches off one kind of service, so customers can see exactly what they lose and when. The migration window runs across the whole span.