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In late 2013, the initial release of AX-3.8 occurs, which includes all the station security-related improvements incorporated in the earlier security-oriented 2013 update releases of NiagaraAX, as follows:
-
AX-3.7 update 1 release — denoted in this document as “AX-3.7u1” for 3.7.1
nnbuilds. -
AX-3.6 and AX-3.5 update 4 releases— denoted as “AX-3.6u4” for 3.6.4
nnbuilds, and as “AX-3.5u4” for 3.5.4nnbuilds, respectively.For background details on update terms above, see Update release level from build-number.
For proper security, we strongly recommend all existing jobs running AX-3.7, AX-3.6, and AX-3.5 upgrade to these update releases as soon as they become available. Even stronger system security can be achieved in an upgrade to AX-3.8. For a related details,
see Improvements and changes in AX-3.8.
To increase system security, starting in the update releases, change were made to NiagaraAX station password storage. These changes affect upgrades of systems that transition from “pre-update NiagaraAX releases” to AX-3.8 or any update release (AX-3.7u1 or later, AX-3.6u4 or later, and AX-3.5u4 or later).
In addition, after a system is updated to these current releases, these changes can[1] affect how you should perform some station backup, copy, or restore operations.
This document explains these changes and also provides upgrade considerations, as well as methods to use when performing ongoing station backup, copy, and restore operations.
The following sections provide more details:
[1] Improvements were made in AX-3.8 when doing station backup, copy, and restore operations that help simplify things as compared to doing similar operations with any of the update releases (AX-3.7u1, AX-3.6u4, AX-3.5u4). These differences are noted in various sections of this document.