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

## SYSLOG Details
- **Message**: Unable to lock pid file
- **Help**: mspsmd could not lock PID file
- **Description**: The Multiservices pic service manager process (mspsmd) tried to lock the file that records its process ID (PID), which serves to prevent multiple instances of the mspsmd process from running simultaneously. The attempt failed.
- **Type**: SNO: Should Not Occur
- **Severity**: error
- **Cause**: Another instance of the pcd process is already running.
- **Action**: -
- **Attributes**: -
- **Facility**: LOG_DAEMON

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