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

## SYSLOG Details
- **Message**: failed to setup mapping between tnp addr (<variable>hostname</variable>) and session
- **Help**: Setting mapping between socket and session failed
- **Description**: libdfwd encountered failure in setting mapping between socket and session while trying to initialize the socket.
- **Type**: Internal: Internal log message
- **Severity**: error
- **Cause**: -
- **Action**: Contact your technical support representative.
- **Attributes**: hostname
- **Facility**: LOG_DAEMON

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