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

## SYSLOG Details
- **Message**: Unable to update PID file <variable>pathname</variable>: <variable>error-message</variable>
- **Help**: httpd-gk could not update PID file
- **Description**: The Web management gatekeeper process (httpd-gk) attempted to update the indicated file, which records the process ID (PID) of the running httpd-gk process. The file serves to prevent multiple instances of httpd-gk from running simultaneously. The attempt failed for the indicated reason.
- **Type**: Error: An error occurred
- **Severity**: error
- **Cause**: The most common reason is that another httpd-gk process was already running.
- **Action**: -
- **Attributes**: pathname
error-message
- **Facility**: LOG_DAEMON

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