Remote support via TeamViewer without active Windows login ends in "this screen cannot be captured at the moment This is due to to fast user switching or a disconnected/minimized remote desktop session" -
Install or Reinstall TeamViewer 11/12/13 (14 is shitte -> now use ANYDESK!) Personal (Non-Commercial) License on Windows Server (2012/2012 R2/2016/2019 etc) [Updated July 2019]
![Windows Azure VM with teamviewer installed is accessable only when RDP is connected and maximized - Stack Overflow Windows Azure VM with teamviewer installed is accessable only when RDP is connected and maximized - Stack Overflow](https://i.stack.imgur.com/SS7wU.png)