function Add-LocalServiceAccountsToDatabaseServer {
    param (
        [string]$connectionString
    )

    $logLead = Get-LogLeadName

    Confirm-DatabaseAccess $connectionString

    $sqlConnection = New-Object System.Data.SqlClient.SqlConnection $connectionString
    $sqlConnection.Open()

    [System.Data.SqlClient.SqlCommand]$command = $sqlConnection.CreateCommand()
    $command.CommandText = "select [name] from [sys].[database_principals] where [type]='u' and [name]!='dbo';"
    [System.Data.SqlClient.SqlDataReader]$reader = $command.ExecuteReader()
    $dbNames = @()
    while ($reader.Read()) {
        $dbNames += $reader[0].ToString()
    }
    $reader.Dispose()

    foreach ($account in (Get-SDKUserMatrix)) {
        # This is already set in the UserMatrix to either be on the domain or use the local account info
        $username = $account.DomainUsername.Trim()
        # this is for the server, not the local database
        $role = $account.ServerRole
        Write-Host "$logLead : Applying changes to $username on database server"
        $commandTexts = @()
        if (!$dbNames.Contains($username)) {
            $commandTexts += "CREATE LOGIN [$username] FROM WINDOWS WITH DEFAULT_DATABASE=[master];"
        }
        $commandTexts += "ALTER SERVER ROLE [$role] ADD MEMBER [$username];"
        foreach ($commandText in $commandTexts) {
            try {
                [System.Data.SqlClient.SqlCommand]$command = $sqlConnection.CreateCommand()
                Write-Host $commandText
                $command.CommandText = $commandText
                $command.ExecuteNonQuery() | Out-Null
            } catch {
                Write-Warning $_.Exception.Message
            }
        }
    }

    $sqlConnection.Close()
}