How to upgrade the Messaging Gateway (SMG) to a specific version or release.
This may be required if you want to upgrade to a version / release that is not the most current.
Upgrading Messaging Gateway (SMG) to a version other than the latest.
(Note: To check what available versions the host can be upgraded to, run the command "update list")
(Note: If the install command is run without running the download command first, the update will download the version requested before the install)