A message sent to the SUP server was unable to be successfully authenticated.
| Domain | SUP Server MessageChannel Exception |
| Number | 401 |
| Label | AUTHENTICATION_FAILURE |
| Applicable Platform(s) | iOS, Android, BlackBerry, Windows Mobile |
There are a large number of potential causes for this error, but it is typically caused by an incorrect user name or password.
Verify the specified credentials. Also check the server trace logs to determine the specific cause of the problem; you may need to increase the tracing level to do this.