欢迎访问MSDN论坛.

根据您的描述，您的问题与MSDN订阅许可证问题.由于我们的论坛是讨论Visual Studio设置 和安装，您可以从以下支持页面找到有关您帐户的详细消息，以检查VS中MSDN订阅的有效性和使用情况: https://msdn.microsoft.com/subscriptions/aa948874.aspx

According to your description, your issue is more related with the MSDN subscription license issue. Since our forum is to discuss the Visual Studio setup and installation, you can find the detail message about your account to check the validation and usage of your MSDN subscription in VS from this support page: https://msdn.microsoft.com/subscriptions/aa948874.aspx

同时，对于许可证问题，您也可以尝试咨询一个 Microsoft许可专家.请在周一至周五上午6:00致电1-800-426-9400.到下午6:00 (太平洋时间)直接与Microsoft许可专家进行交流，您可以从那里获取更多详细信息.

Meanwhile, for license issue, you can also try to consult a Microsoft licensing specialist. Please call 1-800-426-9400, Monday through Friday, 6:00 A.M. to 6:00 P.M. (Pacific Time) to speak directly to a Microsoft licensing specialist, and you can get more detail information from there.

感谢您的理解，并祝您愉快.

***的问候，

Sara