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

## SYSLOG Details
- **Message**: Network problems encountered during PB API call. <variable>uid</variable>.
- **Help**: communication to the PB was not successful
- **Description**: The communication failure happens when pb is unreachable. The pb no-longer able to communicate with the junos on dcf or vdcf
- **Type**: Error: An error occurred
- **Severity**: error
- **Cause**: Either the pb node is dead or the communication between the pb and junos vms is down
- **Action**: Perform following actions to re-establish the communication: (1) check the link both up/down between pb and junos vms. (2) check whether either of the pb nodes is up and running Once the communication is restored the requests in the queue will be processed normally.
- **Attributes**: uid
- **Facility**: LOG_DAEMON

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