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

## SYSLOG Details
- **Message**: NPC: Memory size is invalid, check ROM and installed memory (<variable>bytes</variable> MBytes found)
- **Help**: NPC Memory size is invalid
- **Description**: NPC memory must have either 1G or 2G of RAM. Anything else is bad
- **Type**: Internal: Internal log message
- **Severity**: error
- **Cause**: -
- **Action**: -
- **Attributes**: bytes
- **Facility**: LOG_PFE

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