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You need a source disk/image of some sort. There is simply no way around that.
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You need a source disk/image of some sort. There is simply no way around that.

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I have a 2012 R2 server and it won't load .net 3.5 saying can't find source path<br />
Downloaded and ran <br />
<br />
C:\Users\naadmin&gt;dism /online /enable-feature /featurename:NetFX3 /all /Source:c<br />
:\ /LimitAccess<br />
<br />
Doesn't work. &nbsp;Created machine from an image so don't have disk to run examples of d:\sources\sxs<br />
<br />
Help!
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I have a 2012 R2 server and it won't load .net 3.5 saying can't find source path
Downloaded and ran 

C:\Users\naadmin>dism /online /enable-feature /featurename:NetFX3 /all /Source:c
:\ /LimitAccess

Doesn't work.  Created machine from an image so don't have disk to run examples of d:\sources\sxs

Help!

Can't install .net3.5 on Windows 20112.  Don't have source D:\ as installed from an iso image

Windows Server 2012 is the server version of Windows 8 and the successor to Windows Server 2008 R2. Windows Server 2012 is the first version of Windows Server to have no support for Itanium-based computers since Windows NT 4.0. Windows Server 2012, now in its second release (Windows Server 2012 Release 2) includes Foundation, Essentials, Standard and Datacenter, and does not support IA-32 or IA-64 processors.

Windows Server 2012

The .NET Framework is not specific to any one programming language; rather, it includes a library of functions that allows developers to rapidly build applications. Several supported languages include C#, VB.NET, C++ or ASP.NET.

.NET Programming

.NET application servers, a Windows Server role in an application role, includes Internet Information Services (IIS) to provide web server support, the .NET Framework to provide application support, ASP.NET to provide server side scripting, COM+ for application component communication, Message Queuing for multithreaded processing, and the Windows Communication Foundation (WCF) for application communication. There are also third party server systems that provide .NET support, including Mono, Base4, TNAPS and cc Devnet Data Access Server.