4.3.5 does not support /xmllog.
Your settings will be preserved when upgrading.
See also
https://winscp.net/eng/docs/installation#upgrade

hi Martin,

i have version 4.3.5 installed.
is it possible to use in the commandsyntax the /xmllog option with this version?
i tried some things, but had no positive results.

when i upgrade to the last version, do i have to configure all (global) settings again or will they be save?

thx,
kurt