.Net Framework 3.5 Installation Fails
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.NET Framework 3.5 Feature Installation Fails Fixed

Let’s have a look at how to fix the error .Net Framework 3.5 Features Installation Fails – Source Files Could Not Be Found in Windows Server 2012 while installing Server roles and features. This article helps you to fix Microsoft .NET Framework 3.5 installation errors.

Issue

Installing .NET Framework 3.5 Feature add Roles and Features Wizard on the Windows Server 2012 fails with an error.

.NET Framework 3.5 Feature Installation fails

Installation of Server Add role, features) one or more roles, role services, or features failed.

The source files could not be found. Trying Server roles installation, Add role services or Add features again in a new wizard of Add Roles and Features session, and on the Confirmation installation selection page of the wizard, select Specify an alternate source path to specify the right location of the Server source files that are required for the .net framework installation. The destination must be approachable by the computer account of the location server.

.NET Framework 3.5 Feature Installation fails

Cause

The error happened because the required Server source files were not copied to the computer during the starting Windows Server OS installation.
Insert Windows Server 2012 installation disk into your server’s DVD drive (or mount an ISO file). Close Add roles and feature wizard.

After closing Add roles and feature wizard, Start the Roles and Features Wizard again.

Server Manager Dashboard

Add roles and features wizard, select next.

add role and feature wizard

Select Role-based or feature-based installation, so click next.

Select installation type add role

Server selection, a server from the server pool, and then click Next.

Select destination server selection

Server Roles, click next.

Select server roles

Select.NET Framework 3.5 features and then click next.

Select features .net framework 3.5

On the confirm installation selection page, click Specify an alternative source path.

specify an alternate source path

In the Specify Alternate Source Path windows enter your Windows Serer Drive path D:\sources\sxs
where D: is your DVD disk drive letter. And then click the ok button.

Specify alternate source file

Now .NET Framework 3.5 Feature installation has successfully been completed.

server features result

For more information please visit Microsoft

Written by Jamil Parvez

Jamil Pervez works as a Network Administrator, based in Kuwait with a Primary focus on Microsoft technologies. Microsoft Certified MCSE, MCTP, MCITP, CCNP, CCIP, CCVP with 18 years experience in administering Windows Servers, Exchange, VMWare, Veeam B&R, Veritas BackupExec.

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