{"id":4133,"date":"2014-11-28T02:57:00","date_gmt":"2014-11-28T01:57:00","guid":{"rendered":"https:\/\/www.dbi-services.com\/blog\/winows-server-2012-r2-failed-to-install-net-framework-35\/"},"modified":"2014-11-28T02:57:00","modified_gmt":"2014-11-28T01:57:00","slug":"winows-server-2012-r2-failed-to-install-net-framework-35","status":"publish","type":"post","link":"https:\/\/www.dbi-services.com\/blog\/winows-server-2012-r2-failed-to-install-net-framework-35\/","title":{"rendered":"Windows Server 2012 R2: solving .NET Framework 3.5 installation problems"},"content":{"rendered":"

I faced a problem at a customer site last week when I tried to install the .NET Framework 3.5 – a prerequisite for installing SQL Server 2012 on a Windows Server 2012 R2. I opened the Server Manager and then navigated to the Manage, Add Roles and Features section:<\/p>\n

\"b2ap3_thumbnail_pic01.jpg\"<\/a><\/p>\n

I selected the .NET Framework 3.5 Features option:<\/p>\n

\"b2ap3_thumbnail_pic02.jpg\"<\/a><\/p>\n

I specified an alternate source path:<\/p>\n

\"b2ap3_thumbnail_pic03.jpg\"<\/a><\/p>\n

… and surprise! Even though an ISO of Windows Server 2012 R2 was mapped to my D: drive, the installation failed with this strange error: “The source file could not be found…”<\/p>\n

After some investigations, I found that this problem is quite common and that Microsoft has published a fix … which unfortunately does not work for me!
\nI tried the same installation with different ways: command prompt, PowerShel l… but absolutely NO RESULT.
\nI finally decided to open a PowerShell console to check the Windows Features available on my server with the cmdlet Get-WindowsFeature:<\/p>\n

\"b2ap3_thumbnail_Pic1.jpg\"<\/a><\/p>\n

Strangely, the status of the .NET Framework 3.5 is not showing “Available”, but “Removed”!<\/p>\n

\"b2ap3_thumbnail_Pic2.jpg\"<\/a><\/p>\n

So, how do I change this state from removed to available?<\/p>\n

After some investigations and after having tried some fixes provided by persons who faced to the same problem as me, I finally found the Standalone Offline Installer<\/a> tool that solved my problem by enabling the .NET Framework 3.5 (many thanks to Abbodi1406).<\/p>\n

I downloaded this exe file and executed it on my server.
\nAn installer screen appeared:<\/p>\n

\"b2ap3_thumbnail_pic4.jpg\"<\/a><\/p>\n

After clicking on the Next button, a command prompt screen appeared which showed the completion state of the process.<\/p>\n

\"pic6.jpg\"<\/a><\/p>\n

As soon as the process was finished, I went back to my PowerShell screen to check if my .NET Framework 3.5 is now available – by running my PowerShell cmdlet Get-WindowsFeature:<\/p>\n

\"b2ap3_thumbnail_pic10.jpg\"<\/a><\/p>\n

The .NET Framework 3.5 was now available and I was able to restart the installation process from the beginning by navigating to the server manager, selecting the concerned feature and giving the alternate source path.<\/p>\n

\"pic8.jpg\"<\/a><\/p>\n

I finally succeeded to install my .NET Framework 3.5!
\nI hope that my blog post will help some of you to resolve this installation problem \ud83d\ude09<\/p>\n","protected":false},"excerpt":{"rendered":"

I faced a problem at a customer site last week when I tried to install the .NET Framework 3.5 – a prerequisite for installing SQL Server 2012 on a Windows Server 2012 R2. I opened the Server Manager and then navigated to the Manage, Add Roles and Features section: I selected the .NET Framework 3.5 […]<\/p>\n","protected":false},"author":21,"featured_media":4134,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[42],"tags":[261,508,54,53,509],"type_dbi":[],"class_list":["post-4133","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-operating-systems","tag-net","tag-net-3-5","tag-sql-server-2012","tag-windows-server","tag-windows-server-2012-r2"],"acf":[],"yoast_head":"\nWindows Server 2012 R2: solving .NET Framework 3.5 installation problems - dbi Blog<\/title>\n<meta name=\"description\" content=\"I faced a problem at a customer site last week when I tried to install the .NET Framework 3.5 - a prerequisite for installing SQL Server 2012 on a Windows Server 2012 R2.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.dbi-services.com\/blog\/winows-server-2012-r2-failed-to-install-net-framework-35\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Windows Server 2012 R2: solving .NET Framework 3.5 installation problems\" \/>\n<meta property=\"og:description\" content=\"I faced a problem at a customer site last week when I tried to install the .NET Framework 3.5 - 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