# MBG_ADDR_ALLOC_UNDEFINED

## Canonical Reference

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

**Canonical URL:**  
https://apps.juniper.net/syslog-explorer/?msg=MBG_ADDR_ALLOC_UNDEFINED

## SYSLOG Details
- **Message**: Address allocation failed, routing-instance <variable>routing-instance</variable> address <variable>address</variable> is not configured.
- **Help**: Mobile Subscriber IP Address allocation failure
- **Description**: Address allocation failed - address has not been configured for allocation.
- **Type**: Error: An error occurred
- **Severity**: error
- **Cause**: -
- **Action**: Configure the requested address for allocation.
- **Attributes**: routing-instance
address
- **Facility**: LOG_DAEMON

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