http://blogs.technet.com/jonathanalmquist/archive/2009/03/19/10-most-recent-critical-alerts-not-closed.aspx10 most recent CRITICAL alerts (not closed) get-alert | where {$_.severity -eq "error" -and $_.resolutionstate -ne 255} | sort-object TimeRaised -desc | select-object -first 10 name,timeraised main menuen-USCommunityServer 2.1 SP1 (Build: 61025.2)