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Vnc viewer authentication failure

Super User Asked by Twosingleton on October 22, 2020

I recently backed up my data and I had moved the vnc viewer executable from my PC to my portable hard disk.

Realizing that I no longer had vnc, I got the latest one,
but all of a sudden I could not connect to my server anymore and got authentification failure.

So I moved the VNC exectuable back from my portable HD to my local HD.
And I am still getting Authentification failure errors.

I had a certain setup and I don’t want to re-create it,
do you know how I can recover or what happened to get auth failures all of a sudden ?

I checked and the vncserver process is running fine.
Old VNC viewer: vnc-4_1_3-x86_win32_viewer.exe
New one:

One Answer

Make sure the server and viewer are the same versions. VNC is not a complicated application to setup. Worse case spent the 5mins to re-set it up. Another solution to consider is TeamViewer. It has better functionality then VNC, is encrypted and does not require port forwarding.

Answered by CodeMonkey on October 22, 2020

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