This specific error usually originates from the (which has native MSSQL plugin support) or a custom ODBC/UserParameter setup.
For a database administrator or a monitoring engineer, this is a high-priority alert. It implies that Zabbix has lost visibility into your SQL Server instance. Is the database down? Is the network blocked? Or is it just a permissions hiccup? zabbix mssql failed to fetch info data -or no data for 30m-
Typically C:\Program Files\Zabbix Agent\zabbix_agentd.log (Windows) or /var/log/zabbix/zabbix_agent2.log (Linux). This specific error usually originates from the (which