【原创】关于PATRAN2001安装使用，请教！

我在安装PATRAN2001时按照以下步骤：
MSC Patran & Nastran 2001 R2A (C) RISE
  
1) Open license.dat and authoriz.dat and change the computer name to your machine name. Save the file.
2) Run setup and install flexlm to c:\. When prompted point the browser to the license.dat
3) Once flexlm is installed, continue and install Patran 2001 R2A.  
4) When you are installing Nastran and you are prompted for authorization code, hit 'cancel' and complete the install.
4) Set your LM_LICENSE_FILE environment by pointing it to the license.dat file.
5) Copy the authoriz.dat file to C:\Msc\conf and overwrite the one old one.
6) Reboot, Start MSC Flexlm Service from Control Panel -> Flexlm Lic Management and run Patran & Nastran once the flexlm server is started.
  
安装完成后，运行PATRAN2001R2A，可是出现如下提示：
  
You have requested to run MSC.Patran on a Windows NT. There are no version 2001.0523 licenses installed to satisfy this request. License File:  Please request your systems administrator to review the installation procedures for MSC.Software products on your system and/or contact your  Support Representative for further assistance.
提示中似乎说：LICENSE有问题，可是我的LICENSE在别的机器上已经成功过，请教各位大侠！！！！！！谢谢指教！
另外请问MSC。PATRAN2001 R2A中的R2A是什么意思？
如果哪位大侠有PATRAN的教程或下载处，万望赐教，赐教！
这里先谢了！！！：）
EMAIL：SLH0323@163.COM

好象License的版本不对。