Issue – While Installing SQL Server 2012 on windows 2012 server I have received below error, which indicate .Net 3.5 is not installed on this machine.
In windows server 2012 .Net 3.5 do not install by default as it’s come with .Net 4.5.
Let’s learn how to install .Net 3.5 on windows 2012 box.
Go to control Panel –> Select Turn windows features on or off
or go to Server Manager –> Add roles and features
It launch new window –> Next
select –> “Role-based or feature based installation” –> Next
Go –> Next –> Next –> Select “.Net Framework 3.5 Feature” –> Next
Select –> Specify an alternate source path
Find windows media directory and go to “Source\sxs” path Mine is installed in D:\ so for me it’s “D:\Source\sxs”
Provide directory path and click OK.
Click on Install –>
It will take few minute and then your installation done.
Or you can use below command –
dism /online /enable-feature /featurename:NetFx3 /source:D:\sources\sxs