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

## SYSLOG Details
- **Message**: <variable>function-name</variable> PCI config peek <variable>pci-controller</variable>:<variable>pci-bus</variable>:<variable>pci-dev</variable>:<variable>pci-func</variable> reg <variable>pci-reg</variable> failed: <variable>status</variable>
- **Help**: Failed to read command register
- **Description**: Failed to read command register while configuring the switch
- **Type**: Internal: Internal log message
- **Severity**: error
- **Cause**: -
- **Action**: -
- **Attributes**: function-name
pci-controller
pci-bus
pci-dev
pci-func
pci-reg
status
- **Facility**: LOG_PFE

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