When using two-factor authentication (for example, email:email@example.com), ScreenConnect in some cases presents the following error upon presenting valid credentials and pressing 'Login':
Your login attempt was not successful: Service not available, closing transmission channel. The server response was: 4.7.0 [x.x.x.x] Our system has detected that this message is
Note that this is a full paste of the generated error and it does end in the middle of a sentence at the word 'is'.
We are running on premise version 6.0.11299.6071. Turning off two-factor authentication on the affected accounts immediately resolves this issue.
Rather than addressing the root cause of this issue, it would seem beneficial if the error message presented upon a failed login of this sort were complete and readable.
Customer support service by UserEcho