# [UI_AUTH_INVALID](https://apps.juniper.net/syslog-explorer/?msg=UI_AUTH_INVALID)

## SYSLOG Details
- **Message**: Invalid authentication for user '<variable>username</variable>'/'<variable>peer-host</variable>' at perm '<variable>authentication-level</variable>x'
- **Help**: A user made an invalid authentication attempt
- **Description**: The management process (mgd) could not authenticate a client because the authentication method failed.
- **Type**: SNO: Should Not Occur
- **Severity**: notice
- **Cause**: -
- **Action**: -
- **Attributes**: username
peer-host
authentication-level
- **Facility**: ANY

## Found this message in the following releases:
- [Junos OS 24.2R1](https://apps.juniper.net/syslog-explorer/?msg=UI_AUTH_INVALID&sw=Junos%20OS&rel=24.2R1)
- [Junos OS 23.4R1](https://apps.juniper.net/syslog-explorer/?msg=UI_AUTH_INVALID&sw=Junos%20OS&rel=23.4R1)