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FANUC Alarm HOST-204 — WARN SM: Remote Client Name is invalid

FANUC HOST-204 (“WARN SM: Remote Client Name is invalid”): The host name in the Client tag is not set correctly. First check: Change the host name to be a valid name in the client tags.

Updated 2026-08-29 · LogrobotLM reference

Description

The host name in the Client tag is not set correctly. If DNS is enabled, DNS server did not

Remedy · Remède

Change the host name to be a valid name in the client tags.

Frequently asked · Questions fréquentes

What does FANUC alarm HOST-204 mean?
FANUC HOST-204 (“WARN SM: Remote Client Name is invalid”): The host name in the Client tag is not set correctly. If DNS is enabled, DNS server did not
How do you troubleshoot FANUC alarm HOST-204?
Change the host name to be a valid name in the client tags.

Related codes / Codes liés

HOST-202WARN TLNT:invalid port for %sHOST-203WARN TLNT:from %sHOST-205WARN SM: Tag Already MountedHOST-206WARN SM: Bad Port Number

Indicative field information — the robot manufacturer's manual and safety procedures always prevail. Never bypass a safety device; apply lockout/tagout (LOTO) before any physical intervention. · Informations indicatives issues du terrain — le manuel du constructeur et ses procédures de sécurité font foi. Ne shuntez jamais un organe de sécurité ; consignez (LOTO) avant toute intervention physique. How this reference is built →