Connectivity issues to a SQL Server did not result in Usability alarms being fired.
The following message was found in the FMS log.
YYYY-MM-DD HH:MM:SS.SSS WARN [Data-3-thread-486184] com.quest.nitro.service.rule.rule.Rule - Failed to evaluate expression #os_error_msg_obs# in rule: DBSS - Usability OS Connection Availability. Reason: com.quest.nitro.service.sl.interfaces.scripting.ScriptUndefinedObservationException: undefined observation (present but empty observed data for topology object f8783c7a-3129-4c81-a4d5-e19f580c42ee) in query: os_error_msg_obs
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