The main reason is:. NET 3.5 is not installed properly.
Solution:
First, open Server Manager and select Add roles and features.
Adding the. NET Framework 3.5 also solves the problem.
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Enter the service to fill in the Administrator account number and password
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OK, you can install it successfully.
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This article is from "Hangzhou Technology blog" blog, please be sure to keep this source http://hangyc.blog.51cto.com/427521/1703634
Microsoft Dynamics CRM 2015 installation Reporting Extensions Error Summary