Connection refused on Raspberry, please help!

Hi, this Raspberry doesn't have a display and a display has never been connected it it. It runs the latest Raspbian. I installed it via SSH with this:
sudo apt install ./teamviewer-host_14.2.8352_armhf.deb. All was ok.
I created a password: sudo teamviewer passwd it wrote OK,
I got its ID with command teamviewer info
I started Teamviewer typing teamviewer
Init...
CheckCPU: armv7l
Checking setup...
Launching TeamViewer ...
Launching TeamViewer GUI ...

I connect but I have connection refused. Please help how to solve it. Probasbly I?ve to define a monitor screen resolution

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TeamViewer 14

Accepted answers

Barabba

it was necessary to reboot raspberry ((((

All comments

Barabba

it was necessary to reboot raspberry ((((

Barabba

I've found in help the command teamviewer setup, I launched it, I agree to license, it asked for the login, I tried with email and username, after some time it goes in timeout!
There was a connectivity issue. Please check your internet connection and try
again.
On Raspbian internet is available and DNS are 8.8.8.8 and 8.8.4.4. What's wrong here?

Help please!

Barabba

The default graphics are really low, it's needed to resize screen using sudo raspi-config, advanced settings, screen resolution. Another time it's necessary to reboot RB