in some Windows Server 2012 R2, when you install SQL Server 2017 developer/enterprise edition
The validation check gets fail.
Issue:-
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Rule Check Result
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Rule "KB2919355 Installation" failed.
KB2919355 Check Failed. If you have installed KB2919355, please make sure you have restarted your machine. For more information, you can visit https://support.microsoft.com/kb/2919355/
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OK
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Resolution:-
In order to resolve this error..
you have to do the following
First go ahead and download this KB -- Windows8.1-KB2919442-x64 and install
Then download Windows8.1-KB2919355-x64 and then install.
Please note installation of Windows8.1-KB2919355-x64 will take some time.
Thanks for reading..