Kaspersky Lab may release upgrade packages for Kaspersky Secure Mail Gateway. For example, Kaspersky Lab can release critical fixes for vulnerabilities or bugs, scheduled upgrades that add new or improve existing features of Kaspersky Secure Mail Gateway, and packages with additional localizations for Kaspersky Secure Mail Gateway.
Following the release of Kaspersky Secure Mail Gateway upgrades, you can install them via the web interface of Kaspersky Secure Mail Gateway.
Prior to installing upgrades via the web interface of Kaspersky Secure Mail Gateway, you must download the upgrade package or the localization package with the KTGZ extension along with instructions on how to install this upgrade from the Kaspersky website or a partner company website to your computer.
Kaspersky Secure Mail Gateway services may be suspended for the duration of upgrade installation. The upgrade process may take several minutes. After starting an upgrade of Kaspersky Secure Mail Gateway, do not interrupt the upgrade process or turn off the virtual machine. You may need to restart Kaspersky Secure Mail Gateway after upgrading.
Centralized installation of upgrade packages to all cluster nodes is not supported. The upgrade steps must be completed individually on each node of the cluster.
This functionality is available only if the user has the Edit settings permission.
Before upgrading Kaspersky Secure Mail Gateway, you are strongly advised to make a copy of your Kaspersky Secure Mail Gateway virtual machine (a snapshot of the virtual machine in the hypervisor) to be able to return to the previous version of Kaspersky Secure Mail Gateway, if installation of the new version of Kaspersky Secure Mail Gateway fails.
To download an upgrade package and start its installation:
When updating a Secondary node, in the web interface window, click Install patch.
This opens the file selection window.
The name of the downloaded file will be displayed over the download area.
The steps of the Upgrade Wizard may vary depending on the type of upgrade.
More detailed instructions on installing each upgrade are provided in the instruction manual that comes with this upgrade.
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