# [L2TPD_PID_FILE_UPDATE](https://apps.juniper.net/syslog-explorer/?msg=L2TPD_PID_FILE_UPDATE)

## SYSLOG Details
- **Message**: Unable to update process PID file: <variable>error-message</variable>
- **Help**: l2tpd could not update PID file
- **Description**: The Layer 2 Tunneling Protocol process (l2tpd) attempted to update the file that records its process ID (PID), which serves to prevent multiple instances of l2tpd from running simultaneously. The attempt failed.
- **Type**: SNO: Should Not Occur
- **Severity**: error
- **Cause**: -
- **Action**: -
- **Attributes**: error-message
- **Facility**: LOG_NEWS

## Found this message in the following releases:
- [Junos OS 24.2R1](https://apps.juniper.net/syslog-explorer/?msg=L2TPD_PID_FILE_UPDATE&sw=Junos%20OS&rel=24.2R1)
- [Junos OS 23.4R1](https://apps.juniper.net/syslog-explorer/?msg=L2TPD_PID_FILE_UPDATE&sw=Junos%20OS&rel=23.4R1)