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

## SYSLOG Details
- **Message**: Unable to lock PID file for '<variable>program-name</variable>'
- **Help**: autod could not lock PID file
- **Description**: The autoinstallation process (autod) attempted to lock the file that records its process ID (PID), which serves to prevent multiple instances of the autod process from running simultaneously. The attempt failed, indicating that another instance of the process was running.
- **Type**: SNO: Should Not Occur
- **Severity**: error
- **Cause**: -
- **Action**: Verify that no other autod process is running.
- **Attributes**: program-name
- **Facility**: LOG_DAEMON

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