Upgrade Support Paths

Upgrading between LTS releases should be performed in order of release. Skipping of intermediate LTS releases are not supported.

All STS releases can upgrade to the next LTS release without upgrading to any intermediate STS releases.

Customers can upgrade from their current STS to the later LTS release and then to any later future STS release if they choose to do so.

It is possible to downgrade between LTS releases, although as with upgrade, downgrading must not skip intermediate LTS releases.

Where two LTS releases are in active support, customers can upgrade and downgrade back down if issues are found.

Note: Downgrading is only possible on nShield HSMs if upgrade VSN is equal or lower than the minimum VSN. It is not possible to downgrade if upgrading to a release with a higher VSN.