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[Solved] ECS Windows 2012 "Error when enabling Windows feature NetFx3" during SQL Server 2012 installation process...

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Posted on 7/31/2016 9:38:13 PM | | | |
ECS Windows 2012 Solution for "Error Enabling Windows NetFx3" occurs during SQL Server 2012 installation
Problem phenomenon
During the installation of SQL Server 2012 on the server (Windows server 2012), the installation stays on the interface shown in the figure below, and the message "NetFx3 is enabled" is displayed, and then a prompt box appears to inform you that there is an error when enabling the Windows feature NetFx3.

Cause of the problem
NetFx3 refers to .NET Framework 3.5. SQL Server 2012 database operation needs to rely on . NET Framework 3.5, but Windows Server 2012 does not have it installed by default. NET Framework 3.5。 So to successfully install SQL Server 2012, you must first install it on your system. NET Framework 3.5。

solution
1. Open Server Manager and select Add Roles and Features.


2. Click "Next" until you enter the "Features" tab, and check ".NET Framework 3.5". Click "Next", go to the "Confirm" tab, click "Install"
Successful installation. NET Framework 3.5, SQL Server 2012 can continue to be installed.






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