SQL Server 2012 Installation SQL2012 error occurred when Windows feature NetFx3 was enabled

In the process of installing SQL Server 2012 on a Windows Server 2012 server, an error was reported, an installation failed,

In the process of installing SQL 2012. The following error occurred: An error occurred while enabling Windows feature NetFx3, error code:-2146498298.

Try to enable Windows features NetFx3 from Windows Management Tools, and then execute setup again.

For specific information about how to enable Windows features, see

linkid=227143 "target=" _blank ">http://go.microsoft.com/fwlink/?linkid=227143

Looked up a lot of information and found a way. After inspection. able to use.

Workaround:

1. Locate the Windows Server 2012 installation disk. such as an ISO file, suspend it on the drive.

2. Open Window PowerShell, where the administrator executes such as the following command:

Import-module Servermanager
Dism.exe/online/enable-feature/all/featurename:netfx3/source:d:\sources\sxs

(among the Source:d:\sources\sxs.) Refers to the system drive installation disk path)

Wait 10 minutes for the operation to complete. Restart the system, and then install SQL Server 2012 again. The installation was successful.

SQL Server 2012 Installation SQL2012 error occurred when Windows feature NetFx3 was enabled