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The thumbnail sub-view is the default view in the SQL Diagnostic Manager web console's dashboard and provides you with a graphical replication of your monitored SQL servers. Access additional details in the single instance dashboard by clicking on a thumbnail’s instance name or easily spot categories that have active alerts as marked by a critical icon. Navigate to an instance’s specific category view in case it has active alerts by clicking on the marked category icon. You can also launch the SQL Diagnostic Manager console directly from the thumbnail sub-view by clicking the SQL Diagnostic Manager icon 
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The thumbnail sub-view displays basic statistics about your SQL Servers:
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