Connection not established authentication cancelled

Did this ever get fixed? I'm having this issue for the first time when I installed TV on a new computer - now I cannot connect to it. Running version 15.35.9 on a paid subscription.

I am having this problem with Teamviewer version 15.9.4, but I have another computer running Teamviewer version 15.2.2756 that does not have this problem. I think the new version of Teamviewer is messed up.

(personally edited; n/a to discussion)

We're fixing the problem by moving to a different vendor for remote support.  What put the final nail in the coffin for us was them pushing a BETA version of 14 through the automatic update channel.  We're a corporate subscription customer. We don't install beta software in our production environments. Ever.  Beta software should be a deliberate choice to install, not pushed as if it was a gold level (out of beta) update. TeamViewer should know this. 

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@DarthKevin wrote:

No, it's not related to the outage. It's an ongoing problem for us. It sometimes takes as many 5 tries to get connected with each attempt showing Authentication Cancelled. 

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I'm having the same issue here, only on my affected systems, it never connects.

Sometimes, I can restart the TeamViewer service on my own machine and it clears up, but on those remote machines, I don't have that option without user intervention or figuring out a sidedoor method, which sort of defeats the purpose.  In desperate times I have to try to find a server or other user desktop to TV into, and then use Microsoft Remote Desktop over to the affected machine and either restart the TV service, or reboot the machine.

I'm seeing this happening more and more frequently.  Again, the cases I'm experiencing, not related to any service outages.

What gives?  I love TeamViewer and am a long time user/owner, but these reliability issues are starting to concern me.  So far it's mostly user desktops and workstations, but when this starts happening on more mission critical gear...

I never had this problem with earlier versions of TV.  Just seemed to start with TV12 and 13..

Is there anyone that has TV14 license - made a ticket of this issue ? Any info of progress ?

I have free version of TV14 and cannot get any official support.  This issue is still there, last time I saw it with TV 14.0.13880.

Same problem! It's so frustrating. I thought it was my machine and I even reinstalled Windows to see if it works. It doesn't. Please fix. 

Hi @DarthKevin

Thanks for your post.

For all connection issues not related to the specific outage I recommend to start a new thread and ask the community for advice or -for license holders- send a ticket to our support staff for analysing the issue in depth.

Thanks and best, Esther

Ester, 

No, it's not related to the outage. It's an ongoing problem for us. It sometimes takes as many 5 tries to get connected with each attempt showing Authentication Cancelled. 

haven't opened ticket specifically for this, but have for other things and they act like they've never heard anyone complaing about it ever and ask you to jump through hoops in solving the issue on your time, by installing special loggers that will capture your one of a kind error.   Good luck; I never resolved any of my issues; tv has been bad since tv13

Hi @tactlesswonder

Thanks for your post.

This thread is mainly talking about a connection issue we were facing last Tuesday and which has been resolved. Please see my last post in this thread for more information.

Feel free to start a new thread and ask the community for advice. 

We are not aware of any issues in the TeamViewer service.

Thanks and best, Esther

The next day, the connection got back to normal. I did not do anything.

I am having the same problem.  I can send a chat, I can send presentation requests but when I try to connect to take over the computer remotely, it gives me TeamViewer connection not established authentication canceled.  But you can't get support and i can't find any information. I tried to uninstall, reinstall, change to open access, and nothing!

I am having the same problem.  I can send a chat, I can send presentation requests but when I try to connect to take over the computer remotely, it gives me TeamViewer connection not established authentication canceled.  But you can't get support and i can't find any information. I tried to uninstall, reinstall, change to open access, and nothing!

I seem to have same issue on new PC with Windows 10 OS 17134.345
All other connections working fine

Problem back again. Online but can't establish connection.

Kroger Feedback

@Lavinia965 wrote:

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@narcsisuss wrote:

Anyone know why I'm getting an error "Connection not established-authentication cancelled" when I try to connect all of a sudden? I was a little careless when I was clicking, but not sure what I did. 

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Same Problem in austria, how long does it take?

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Thanks Esther,

Now our helpdesk can able to get connected.

Shafi

Hi all,

Thanks again for your patience with the connection issue earlier today.

I got in contact with our developers to get some information about it.

Here´s a summary:

• The issue was caused by a database error in our master system which led to failing connection attempts
• During the issue it was not possible to establish new TeamViewer connections or meetings
• Running sessions were not affected
• The account login, the login to the Management Console and the TeamViewer Chat were not affected
• While detecting the cause took some time, they were able to resolve the issue instantly after its detection
• Our developers took the necessary steps to prevent that this can happen again in the future
• EDIT: Restarting the TeamViewer service could be necessary to make connections again

I apologize once again for the trouble this has caused you and for the delay in the communication.

Thanks and all the best,

Esther

Kill all Tv session from endtask and start new session.

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@narcsisuss wrote:

Anyone know why I'm getting an error "Connection not established-authentication cancelled" when I try to connect all of a sudden? I was a little careless when I was clicking, but not sure what I did. 

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Same Problem in austria, how long does it take?

Problem solved from spain.

Tnx

They had to wait for someone to get in to turn the servers off and on again? I'll see if I actually get a reply to my open ticket about what caused the issue and how they will prevent it from happening in the future. This is not good enough service for paying thousands of dollars for corporate. It's working again. For now.

finally service is up after 3 hours.

It's working again!!!

Finally i can connect to my colleague who seats 2  meters from me !

Esther,

What about a reason for the outage can you give us that?

Thank you all for the confirmation!

Looks like it is resolved. I am sorry that I was not able to give you an ETA earlier.

Best, Esther

It is back up and connections working now.