# CHASSISD_COMMAND_ACK_SFM_ERROR

## Canonical Reference

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

**Canonical URL:**  
https://apps.juniper.net/syslog-explorer/?msg=CHASSISD_COMMAND_ACK_SFM_ERROR

## SYSLOG Details
- **Message**: <variable>function-name</variable>: SFM <variable>sfm-slot</variable> did not acknowledge FPC <variable>fpc-slot</variable>: error <variable>error-message</variable> (code <variable>error-code</variable>)
- **Help**: SFM online acknowledgment failed
- **Description**: The chassis process (chassisd) requires an acknowledgment from each Switching and Forwarding Module (SFM) before it registers a Flexible PIC Controller (FPC) as online. The acknowledgment message from the indicated SFM failed for the indicated FPC.
- **Type**: Error: An error occurred
- **Severity**: error
- **Cause**: -
- **Action**: Contact your technical support representative. For more information, see http://kb.juniper.net/InfoCenter/index?page=content&id=KB18781.
- **Attributes**: function-name
sfm-slot
fpc-slot
error-message
error-code
- **Facility**: LOG_DAEMON

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