ansys15已经成功安装可以使用了一两个月吧，结果打开又遇到license问题，因为15安装我记得是不需要装license manager的，之前装过12，所以装15之前已经把license注册表类的删除过了，为什么又出现问题，求教大神，肿么破
the following licensing error was encountered while checking the status of available license servers:
could not connect to any license servers
please see the ANSYS,Inc.Licensing Guide's Troubleshooting section for more information
this is a fatal error, exiting
the following licensing error was encountered while checking the status of available license servers:
could not connect to any license servers
please see the ANSYS,Inc.Licensing Guide's Troubleshooting section for more information
this is a fatal error, exiting
