Users may receive below error during SQLServer 2012 installation.
Error while enabling Windows Feature :NetFx3, Error Code : -2146498298 , Please try enabling Wndows feature : NetFx2 from Windows management tools and then run setup again. For more information on how to enable windows freature, see http://go.microsoft.com/fwlink/?linkid=227143
Users will see this error if they don’t install/enable ".Net Framework 3.5" before installing SQLServer 2012.
Follow below steps to enable .Net Framework 3.5 on Windows Server 8 or Windows Server 2012
1. Server Manager --> Manage --> Click “Add Roles and Features" --> Next
2. On “Installation Type”, Select “Role-based or feature-based installation” -->Next
3. On “Server Selection”, Select the server on which you want to install from the list --> Next
4. On “Server Roles”, Select new roles if you need
5. On “Features” Page, select “.Net Framework 3.5 Features” --> Next--> Install
You can use above steps to add any new roles/Features in Windows Server 8 or Windows Server 2012 environment.
You can also add Roles and Features using command line
C:\>dism /online /enable-feature /featurename:NetFx3 /source:E:\sources\sxs
Where E drive is the windows media mount.
Regards,
Satishbabu Gunukula
http://www.sqlserver-expert.com
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