Looking to find Express instance of SQL

  • Hi.

    I found this script to find all SQL instance on your network:

    function get-SqlServerList {[System.Data.Sql.SqlDataSourceEnumerator]::Instance.GetDataSources()}


    And I also played around with a script that backs up all DBs on my server

    [System.Reflection.Assembly]::LoadWithPartialName("Microsoft.SqlServer.SMO") | Out-Null

    [System.Reflection.Assembly]::LoadWithPartialName("Microsoft.SqlServer.SmoExtended") | Out-Null

    [System.Reflection.Assembly]::LoadWithPartialName("Microsoft.SqlServer.ConnectionInfo") | Out-Null

    [System.Reflection.Assembly]::LoadWithPartialName("Microsoft.SqlServer.SmoEnum") | Out-Null

    $hostname = hostname

    $ServerName = $hostname + "\express"

    $ServerSMO = new-object ("Microsoft.SqlServer.Management.Smo.Server") $ServerName

    $backupDirectory = $server.Settings.BackupDirectory

    $BackupDate = get-date -format yyyyMMdd_HHmmss

    $DatabaseList = $ServerSMO.Databases

    foreach ($Database in $DatabaseList)


    if($Database.Name -ne "tempdb")


    $DatabaseName = $Database.Name

    $DatabaseBackup = new-object ("Microsoft.SqlServer.Management.Smo.Backup")

    $DatabaseBackup.Action = "Database"

    $DatabaseBackup.Database = $DatabaseName

    $DatabaseBackup.Devices.AddDevice($BackupDirectory + "\" + $DatabaseName + "_" + $BackupDate + ".BAK", "File")




    What I need help with is finding out the instance name on a server. Even better would be to find out what express instances I have the machine.

    The goal here is to create a generic script I can load onto a server that backs up SQL Express instances. I want to use this to create a scheduled task.

    I have about 30 servers or so and some have express on them. I want to try not to customize this script for each instance\server.

    Any ideas would be appreciated.

  • get-SqlServerList returns the instance name as part of the results. All I see you need to do is connect to each instance returned by that call and select the Edition SERVERPROPERTY to see if it's an Express instance and go from there.

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