A Hotfix to AXengine on Deployment Server 6.9 is available. However, there is no installer, only instructions to manually apply the Hotfix. While the manual instructions are straight-forward, it can be time-consuming if you have multiple Deployment Servers to apply it to.
I have written an NSIS Install Script that will allow you to silently install the Hotfix to all of your Deployment Servers. To learn more about how to install and use NSIS, read my article Using NSIS to Build Application Installers.
To create the AXengine Hotfix Installer, do the following: