Как узнать, доступен ли MS SQL Server (Delphi)

function CheckMSSQLServer(fServerName, fUserName, fPsw : string) : Bool;
var
wDb : TDatabase;
begin
// Check if MS SQL Server is reachable
// Важно! BDE Должна быть установлена
Result := False;
wDb := TDatabase.Create(nil);
 
with wDb do
begin
DatabaseName := ‘wDbDatabaseName’; // arbitrary name, must be unique
// in current Session
Params.Values[’SERVER Name’] := fServerName;
Params.Values[’USER Name’] := fUserName;
Params.Values[’PASSWORD’] := fPsw;
LoginPrompt := False;
end;
 
try
wDb.DriverName := ‘MSSQL’;
try
wDb.Connected := True;
wDb.Connected := False;
except
ShowMessage(’Server is not reachable’);
end;
Result := True;
finally
wDb.Free;
end;
end;