The data protection operation was unsuccessful. This may have been caused by not having the user pro
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在iis7.0布署网站后运行的错误，大致意思是：数据保护操作是不成功的。这可能是由于没有为当前线程的用户加载用户配置文件的导致
解决办法：
先为自己的网站新建一个应用程序池，然后新建的应用程序池上右键－>高级设置－>进程模型－加载用户配置文件，将其设置成true就可以了
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