Hello everybody,
this is my first post, so please consider it as a curious question.
I did a fresh Manjaro 25.0.1 installation on a new machine with the gnome desktop.
When configuring a VPN from file in the gnome GUI (with correct username, password and so on) the VPN fails with the MetworkManager reporting (journalctl -u NetworkManager):
Failed to request VPN secrets #3: No agents were available for this request.
Actually the solution is described in the arch linux forum. See: https://bbs.archlinux.org/viewtopic.php?pid=2165112#p2165112
After installing libnma, the gnome GUI and NetworkManager work together as expected.
So, my question is: wouldn’t it be reasonable to install libnma as well, when installing from a release media? This would polish the user experience.
Otherwise thanks for this awesome distribution - have been running it on another machine for 4+ years.
Edit:
According to the archlinux wiki https://wiki.archlinux.org/title/NetworkManager, chapter 8.22, I’m not sure if libnma is (or should be) a package dependency.
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This library is actually needed for nm-connection-editor. So you configured it with a different GUI than Gnome?
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At least, not yet.
You can workaround that in the meantime by pasting the complete URL between backtick characters, similar to:
`https://forum.manjaro.org`
which will allow others to easily copy/paste the URL, if they wish.
Curiosity is a prerequisite to learning. 
Regards.
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No, I did not use a different GUI. For me it’s sufficient to use the gnome GUI (settings->network).
Currently I use NordVPN and they provide VPN config files, so I configured VPN ‘from file’. I didn’t check the other methods.
I checked my other machine: there VPN works, but libnma is not installed.
Sorry, I have to edit this for explanation: ‘the other machine’ is a year old Manjaro setup being kept up to date (also with gnome).
The machine this VPN issue popped up is a fresh Manjaro 25.0.1 install (as stated in the main post) from a couple of weeks ago. It’s manjaro-gnome-25.0.1-250508-linux612.iso, I downloaded it on May, 21st.
The gnome-control-center (where you edit network connections) depends on libnma-gtk4 so there should be no need to specifically add libnma 
The stable ISO was rebuilt on 25-05-26 and when all CDN mirrors had synced, it was updated on the website.
That’s right and libnma-gtk4 is installed. libnma should be required for GTK-3 only.
On the ‘fresh-install-machine’ I did the test:
- uninstalled libnma (libnma-gtk4 remaining installed)
- → no VPN possible
- installed libnma again
- → VPN OK
I have no idea, where the difference to my ‘other-machine’ with years old Manjaro installation is, on which libnma is not installed but VPN works.
hmm - I just tested with a new Gnome desktop and you are right - the libnma is providing the GUI asking for the password generated by NordVPN - although one would expect the input in the Network Manager to be enough.
It seems to me the libnma contains functionality not provided by libnma-gtk4.
It is a bit strange - one would expect libnma-gtk4 to provide the same as libnma - but it appears it does not. I think we need @Yochanan to look at it.
12:31:08 ○ [fh@tiger] ~
$ pamac info libnma-gtk4
Name : libnma-gtk4
Version : 1.10.6-3
Description : NetworkManager GUI client library (GTK4)
URL : https://gitlab.gnome.org/GNOME/libnma
Licenses : GPL-2.0-or-later LGPL-2.1-or-later
Repository : extra
Installed Size : 480,8 kB
Groups : --
Depends On : libnma-common=1.10.6-3 gtk4
Optional Dependencies : --
Provides : libnma-gtk4.so=0-64
Replaces : --
Conflicts With : --
Packager : T.J. Townsend <blakkheim@archlinux.org>
Build Date : fre 12 jul 2024 22:47:55 CEST
Validated By : MD5 Sum SHA-256 Sum Signature
12:31:17 ○ [fh@tiger] ~
$ pamac info libnma
Name : libnma
Version : 1.10.6-3
Description : NetworkManager GUI client library (GTK3)
URL : https://gitlab.gnome.org/GNOME/libnma
Licenses : GPL-2.0-or-later LGPL-2.1-or-later
Repository : extra
Installed Size : 500,5 kB
Groups : --
Depends On : libnma-common=1.10.6-3 gtk3
Optional Dependencies : --
Provides : libnma.so=0-64
Replaces : --
Conflicts With : --
Packager : T.J. Townsend <blakkheim@archlinux.org>
Build Date : fre 12 jul 2024 22:47:55 CEST
Validated By : MD5 Sum SHA-256 Sum Signature