SQL server 2016的SSRS服務器配置出了問題，web service URL打不開，提示http500 error。

解決辦法：
1.查看log

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這個log的文件里面講到有2個key 重復了。可以在rssrvpolicy里面查到重復的key。

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Security class不能有重復。刪除重復的key后，就可以打開URL了。

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There are some errors which says that the key is already there. I checked in rssrvpolicy.config and there are some 2 keys which is being repeated as you can see the above log.