Resolve all open alerts generated by specific Agent
Resolve all open alerts generated by specific Agent
get-alert | where {$_.netbiosComputerName -eq "netbios_name" -AND $_.resolutionState -ne 255} | Resolve-Alert
To use Criteria Expression for better performance
get-alert -criteria 'NetbiosComputerName = ''netbiosComputerName''' | resolve-alert