$query = " select @@servername"
$csvFilePath = "c:\Scripts\queryresults.csv"
 
$instanceNameList = get-content c:\Scripts\serverlist.txt
$results=@()
  
foreach($instanceName in $instanceNameList)
{
        write-host "Executing query against server: " $instanceName
        $results += Invoke-Sqlcmd -Query $query -ServerInstance $instanceName
}
 
# Output to CSV
write-host "Saving Query Results in CSV format..."
$results | export-csv  $csvFilePath   -NoTypeInformation

Powershell連接多服務器執行SQL腳本