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

## SYSLOG Details
- **Message**: PFEMAN-SVC-JFLOW: UI Connection Handler not yet registered
- **Help**: User Interface Connection Handler not registered
- **Description**: Handling the User Interface socket event, the User Interface Connection Handler itself not yet registered
- **Type**: Error: An error occurred
- **Severity**: error
- **Cause**: -
- **Action**: -
- **Attributes**: -
- **Facility**: LOG_PFE

## Found this message in the following releases:
- [Junos OS 26.2R1](https://apps.juniper.net/syslog-explorer/?msg=PFEMAN_UI_CONN_HANDLER_NOTREG&sw=Junos%20OS&rel=26.2R1)
- [Junos OS 25.4R1](https://apps.juniper.net/syslog-explorer/?msg=PFEMAN_UI_CONN_HANDLER_NOTREG&sw=Junos%20OS&rel=25.4R1)
- [Junos OS 25.2R2](https://apps.juniper.net/syslog-explorer/?msg=PFEMAN_UI_CONN_HANDLER_NOTREG&sw=Junos%20OS&rel=25.2R2)
- [Junos OS 25.2R1](https://apps.juniper.net/syslog-explorer/?msg=PFEMAN_UI_CONN_HANDLER_NOTREG&sw=Junos%20OS&rel=25.2R1)
- [Junos OS 24.4R2](https://apps.juniper.net/syslog-explorer/?msg=PFEMAN_UI_CONN_HANDLER_NOTREG&sw=Junos%20OS&rel=24.4R2)
- [Junos OS 24.4R1](https://apps.juniper.net/syslog-explorer/?msg=PFEMAN_UI_CONN_HANDLER_NOTREG&sw=Junos%20OS&rel=24.4R1)
- [Junos OS 24.2R2](https://apps.juniper.net/syslog-explorer/?msg=PFEMAN_UI_CONN_HANDLER_NOTREG&sw=Junos%20OS&rel=24.2R2)
- [Junos OS 24.2R1](https://apps.juniper.net/syslog-explorer/?msg=PFEMAN_UI_CONN_HANDLER_NOTREG&sw=Junos%20OS&rel=24.2R1)
- [Junos OS 23.4R2](https://apps.juniper.net/syslog-explorer/?msg=PFEMAN_UI_CONN_HANDLER_NOTREG&sw=Junos%20OS&rel=23.4R2)
- [Junos OS 23.4R1](https://apps.juniper.net/syslog-explorer/?msg=PFEMAN_UI_CONN_HANDLER_NOTREG&sw=Junos%20OS&rel=23.4R1)
- [Junos OS 23.2R2](https://apps.juniper.net/syslog-explorer/?msg=PFEMAN_UI_CONN_HANDLER_NOTREG&sw=Junos%20OS&rel=23.2R2)
- [Junos OS 23.2R1](https://apps.juniper.net/syslog-explorer/?msg=PFEMAN_UI_CONN_HANDLER_NOTREG&sw=Junos%20OS&rel=23.2R1)
- [Junos OS 22.4R3](https://apps.juniper.net/syslog-explorer/?msg=PFEMAN_UI_CONN_HANDLER_NOTREG&sw=Junos%20OS&rel=22.4R3)
- [Junos OS 22.4R2](https://apps.juniper.net/syslog-explorer/?msg=PFEMAN_UI_CONN_HANDLER_NOTREG&sw=Junos%20OS&rel=22.4R2)
- [Junos OS 22.4R1](https://apps.juniper.net/syslog-explorer/?msg=PFEMAN_UI_CONN_HANDLER_NOTREG&sw=Junos%20OS&rel=22.4R1)
- [Junos OS 22.2R3](https://apps.juniper.net/syslog-explorer/?msg=PFEMAN_UI_CONN_HANDLER_NOTREG&sw=Junos%20OS&rel=22.2R3)
- [Junos OS 22.2R2](https://apps.juniper.net/syslog-explorer/?msg=PFEMAN_UI_CONN_HANDLER_NOTREG&sw=Junos%20OS&rel=22.2R2)
- [Junos OS 22.2R1](https://apps.juniper.net/syslog-explorer/?msg=PFEMAN_UI_CONN_HANDLER_NOTREG&sw=Junos%20OS&rel=22.2R1)