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Kerala Kaumudi Online
Monday, 09 March 2026 4.24 AM IST

The customer portal, which relied on that data for a "system status" widget, showed a spinning circle. Then a dash. Then a blank page.

| Error Message | Zabbix Interpretation | Typical Impact | |---------------|----------------------|----------------| | | The item’s pre-processing or retrieval script returned non-zero exit code or error output. | Immediate data loss for that poll. | | No data for 30m | The item has not received any new value for the last 30 minutes (configured in zabbix_server.conf or item’s update interval). | Sustained monitoring outage. |

UserParameter=perf.mssql[last_success], /usr/local/bin/mssql_last_success.sh

MSSQL: Failed to fetch info data (or no data for 30m) - ZABBIX Forums

From the Zabbix server CLI: