Sometimes happen that Exchange Database Content Index switch from Healthy to Fail. The first behaviors the users experiences is a fail on Search in their Outlook client (even if on Premises and Outlook Web Access).
Usually this fail go unnoticed when everything else is working fine however they will eventually begin to cause problems if you have a Database Availability Group (DAG) in place, for example by preventing database switchovers, thus it’s a good practice to monitor the status.
To achieve monitoring, I’m using a specific powershell sensor when customers have active Monitoring Services (in my case Peassler PRTG), otherwise here you could download an usefull script provided by Paul Cunningham to use as your needs. Read More