That NAS seems pretty old, you might have to live with the configuration
change to downgrade the protocol to SMB1. Maybe you can ssh into it and
find out what samba version it's running, and tweak its config manually.
I find it weird that samba, even from 2011, would reject SMB2
connections, or
Regarding the dbus error, I have never seen that before. I'll try to get
a 20.04 desktop running.
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https://bugs.launchpad.net/bugs/1855758
Title:
error when connecting to
I'm not sure we can add that to the package. There is a world-wide
effort to get rid of the SMB1 protocol. Even modern windows machines
have it disabled by default I think.
You are probably better off in changing the configuration of your NAS to
support more modern protocols. Have you inspected
Samba 4.11.x disabled SMB1 by default both for the client and the server
(https://www.samba.org/samba/history/samba-4.11.0.html):
SMB1 is disabled by default
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The defaults of 'client min protocol' and 'server min protocol'
have been changed to SMB2_02.
This means