Hi,
I have just finished to try to upgrade my Sophos XG home firewall (I use it for personal use for training and experiments before delivery updates to my customers) from the version 17.5.10 MR-10 to the 18 version. The new firmware was installed regularly and it started perfectly, but it has lost completely the previous configuration and it started with the default factory configuration (it lost rules, user, all...)
What were wrong?
Is there a list of pre-requisite to check (or to know)?
Many thanks in advance.
P.S.: the new firmware has been download fron the official Sophos site, on My Sophos ID portal, specifying the model/serial number
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