Important note about SSL VPN compatibility for 20.0 MR1 with EoL SFOS versions and UTM9 OS. Learn more in the release notes.

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Sophos Firewall XDR Firmware Update

Hi,


In Sophos firewall, in the latest available firmware, I have two Firmware versions (SFOS 20.0.0 GA-Build222, SFOS 19.5.3 MR3-Build652) available for download. 

If I click 'download', will it take immediate effect and download as external file and be 'Installed'? How will it affect my current active firmware?

Will the newly installed firmware replace the current active firmware or the previous version firmware?

Do I have to re-configure anything after the process?

Thank you in advance for your answers.



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