How to Use the MSSQL Database Wizard in Nagios XI

Nagios XI includes an MSSQL Database wizard that enables you to easily connect to Microsoft SQL Server and quickly configure monitoring of availability, query execution time/results, database size and file I/O, transaction log usage, replication/Always On health, and SQL Agent jobs.

You can refer to this documentation for full details:

Here is a direct link to the PDF as well:

How To Monitor MSSQL Databases With Nagios XI