# [MIB2D_SOCKET_OPTION](https://apps.juniper.net/syslog-explorer/?msg=MIB2D_SOCKET_OPTION)

## SYSLOG Details
- **Message**: Failed to set <variable>message-type</variable> socket option <variable>option</variable>: <variable>reason</variable>
- **Help**: MIB2D could not set an option on a socket
- **Description**: The MIB II process was unable to set a required option on a socket
- **Type**: SNO: Should Not Occur
- **Severity**: emergency
- **Cause**: An internal software failure occurred.
- **Action**: Contact your technical support representative.
- **Attributes**: message-type
option
reason
- **Facility**: LOG_DAEMON

## Found this message in the following releases:
- [Junos OS 24.2R1](https://apps.juniper.net/syslog-explorer/?msg=MIB2D_SOCKET_OPTION&sw=Junos%20OS&rel=24.2R1)
- [Junos OS 23.4R1](https://apps.juniper.net/syslog-explorer/?msg=MIB2D_SOCKET_OPTION&sw=Junos%20OS&rel=23.4R1)