If you run Microsoft Active Directory Services this guide should give you information how you can configure OpenNMS to monitor essential services from Microsoft Active Directory.
Create a Discourse article to cover this topic.
Suggest linking to the Discourse article (https://opennms.discourse.group/t/monitor-microsoft-ad-services/1051) in the Poller Packages section of the documentation:
Monitor Microsoft AD Services
To monitor Microsoft AD services you must edit your $OPENNMS_HOME/etc/poller-configuration.xml. file. See the article [link] on Discourse.