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

## SYSLOG Details
- **Message**: fwauthd: Unable to update process PID file: <variable>error-message</variable>, abort daemon
- **Help**: fwauthd could not update PID file
- **Description**: The firewall authentication process (fwauthd) attempted to update the file that records its process ID (PID), which serves to prevent multiple instances of the process from running simultaneously. The attempt failed.
- **Type**: SNO: Should Not Occur
- **Severity**: error
- **Cause**: -
- **Action**: -
- **Attributes**: error-message
- **Facility**: LOG_AUTH

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