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

## SYSLOG Details
- **Message**: Unable to switch <variable>rsp-interface-name</variable> to secondary interface <variable>secondary-interface-name</variable>; PIC is incompatible with primary
- **Help**: Switchover failed because of incompatible PICs
- **Description**: The redundant interfaces process (rdd) tried to migrate service processing for the indicated redundant interface from the primary interface to the indicated secondary interface. The attempt failed because the Adaptive Services (AS) Physical Interface Cards (PICs) that house the primary and secondary interfaces are not compatible.
- **Type**: Error: An error occurred
- **Severity**: error
- **Cause**: -
- **Action**: -
- **Attributes**: rsp-interface-name
secondary-interface-name
- **Facility**: LOG_DAEMON

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