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Installing .NET Framework 3.5 on Windows Server 2012 R2 Fails with Error Code 0x800F0906


I encountered this issue while working on a project for a client, involving server build automation.

The client provided me with a copy of their Windows Server 2012 R2 ISO, which I was using in my SCCM Build and Capture task sequence. As you can see from the screenshot, the Task Sequence includes copying the SXS folder onto the local system, in order to be able to install .NET Framework 3.5 (using the -Source parameter).

Build And Capture TS - Scrubed

However, after the OS was installed, I noticed that the .NET Framework 3.5 and PowerShell options (which are also apart of the build) were not installed successfully. I checked, and confirmed that the SXS folder was still present (at the root of C:\). So, I attempted to run the PowerShell install command manually to see if/why it failed. I encountered the following error.

Install Error Results

This was odd, since it worked for my Build and Capture of Windows Server 2012. So, off to Google with the error code, and I came across this TechNet article which explained everything:

http://blogs.technet.com/b/askpfeplat/archive/2014/09/29/attempting-to-install-net-framework-3-5-on-windows-server-2012-r2-fails-with-error-code-0x800f0906-or-the-source-files-could-not-be-downloaded-even-when-supplying-source.aspx.

In a nutshell, there was a Security Update that was released that updated some of the .NET components (KB2966828). According to the TechNet article “If either of these updates are installed, you will run into the above issue if your server does not have access to the Internet to pull the updated components.”

The solution?

  1. Uninstalled the security update
  2. Install .Net Framework 3.5
  3. Reinstalled the update

Refer to the TechNet article for additional options/details. Hopefully this will help anyone that comes across this issue.

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Windows Server Technical Preview – New/Removed Windows Server Roles and Features


You all may be aware that Microsoft released the new Windows 10 Technical Preview. But what you might not know is that Microsoft also released  the Windows Server Technical Preview. There is no official version/naming that I am aware of, but for reference the build version is 6.4.9841.0.

In addition to the similar changes previewed in the Windows 10 Technical Preview (i.e. multiple desktops, the start menu, etc.), there are some server-specific changes we can observe.

For reference, here is a screenshot of the Windows Server Technical Preview start menu.

Windows Server Technical Preview - Start Menu

 

NEW Windows Server Roles and Features

The following is the list of server roles and features that I have observed as being new (in comparison to Windows Server 2012 R2).

Server Roles

  • MultiPoint Services
  • Network Controller
  • Windows Server Update Services > WID Connectivity
  • Windows Server Update Services > SQL Server Connectivity

Windows Server Technical Preview - Server Roles

 

Server Features

  • Canary Network Diagnostics
  • MultiPoint Connector
  • Remote Server Administration Tools > Role Administration Tools > Network Controller Management Tools
  • Soft Restart
  • Windows Defender
  • Windows Defender > GUI for Windows Defender
  • Windows PowerShell > Windows PowerShell 5.0
  • Windows Volume Replication

Windows Server Technical Preview - Server Features

 

New Windows Server Roles and Features Descriptions

So, what exactly are these new roles and features?

Server Roles

  • MultiPoint Services: MultiPoint Services allows multiple users, each with their own independent and familiar Windows experience, to simultaneously share one computer.
  • Network Controller: The Network Controller provides the point of automation needed for continual configuration, monitoring and diagnostics of virtual networks, physical networks, network services, network topology, address management, etc. within a datacenter stamp.
  • Windows Server Update Services > WID Connectivity
  • Windows Server Update Services > SQL Server Connectivity

 Server Features

  • Canary Network Diagnostics: Canary network diagnostics enables validation of the physical network.
  • MultiPoint Connector: MultiPoint Connector enables your machine to be monitored and managed by the MultiPoint Manager and Dashboard apps.
  • Remote Server Administration Tools > Role Administration Tools > Network Controller Management Tools: Network Controller Management Tools includes Powershell tools for managing the Network Controller Role.
  • Soft Restart: SoftRestart enables the system to be restarted without undergoing firmware reset delays.
  • Windows Defender: Windows Defender helps you protect your machine from malware.
  • Windows Defender > GUI for Windows Defender: GUI for Windows Defender.
  • Windows PowerShell > Windows PowerShell 5.0: Windows PowerShell enables you to automate local and remote Windows administration. This task-based command-line shell and scripting language is built on the Microsoft .NET Framework. It includes hundreds of  built-in commands and lets you write and distribute your own commands and scripts.
  • Windows Volume Replication: Allows you to replicate data using the Windows Volume Replication (WVR) feature.

 

Removed Windows Server Roles and Features

Now by comparison, the following are server roles and features that I have observed as no longer being listed/available. I devised this list by listing what roles and features were available in each. The result is a list of roles and features that were available in Windows Server 2012 R2, but are no longer available in this version of the Windows Server Technical Preview.

Server Roles

  • Application Server > .NET Framework 4.5
  • Application Server > COM+ Network Access
  • Application Server > Distributed Transactions
  • Application Server > Distributed Transactions > WS-Atomic Transactions
  • Application Server > Distributed Transactions > Incoming Network Transactions
  • Application Server > Distributed Transactions > Outgoing Network Transactions
  • Application Server > TCP Port Sharing
  • Application Server > Web Server (IIS) Support
  • Application Server > Windows Process Activation Service Support
  • Application Server > Windows Process Activation Service Support > HTTP Activation
  • Application Server > Windows Process Activation Service Support > Message Queuing Activation
  • Application Server > Windows Process Activation Service Support > Named Pipes Activation
  • Application Server > Windows Process Activation Service Support > TCP Activation
  • Windows Server Update Services
  • Windows Server Update Services > WID Database
  • Windows Server Update Services > Database

 

Feature Roles

  • Remote Server Administration Tools > Role Administration Tools > AD DS and AD LDS Tools > AD DS Tools > Server for NIS Tools [DEPRECATED]
  • Telnet Server
  • Windows Feedback Forwarder
  • Windows Identity Foundation 3.5
  • Windows PowerShell > Windows PowerShell 4.0

 

So those are some of the interesting changes thus far with the new Windows Server Technical Preview.

Windows Server 2012 R2 Update 1


As you may or may not know, the update to Windows 8.1 will become generally available as a Windows Update (KB2919355) on Tuesday April 8, 2014. But this update also applies to Windows Server 2012 R2.

If you have a TechNet or MSDN subscription, you can gain early access to the update.

I have installed the latest build of the Windows Server 2012 R2 Update ISO (currently labelled as: en_windows_server_2012_r2_vl_with_update_x64_dvd_4065221), to test it out.

According to the following TechNet article: “If you are running Windows Server 2012 R2, this update will appear as a required update in Windows Update as KB2919355. You can also obtain a version of Windows Server 2012 R2 that has the update already included from the Microsoft Download Center (search that location for KB2919355).”

So after the installation, let’s confirm we are running the latest version of Windows Server 2012 R2 with Update.

If you open Server Manager, and go to Help > About Server Manager, you will see the Server Manager Information dialog.

Server Manager - Help

Server Manager - About

Note the Build Number shows as: 6.3.9600.16384. But, according to the TechNet article referenced, “To confirm the exact version of Windows Server 2012 R2 that is installed on a computer, run Msinfo32.exe. If Windows Server 2012 R2 Update is installed, the value reported for Hardware Abstraction Layer will be 6.3.9600.17031.”

So, let’s follow the instructions. Right-click the Start icon, and choose Run.

Start - Run

In the Run dialog box, type MSInfo32.exe and press OK.

Start - Run - MSInfo32

This will launch the System Information dialog. And, if we check the Hardware Abstraction Layer, we see that Version = 6.3.9600.17031.

System Information

Next let’s compare some of the screens/options between Windows Server 2012 R2 and Windows Server 2012 R2 with Update.

On the Start Screen, you will notice that the user interface includes buttons for Search and Power.

W2K12R2 - Start Screen

Windows Server 2012 R2

W2K12R2U1 - Start Screen

Windows Server 2012 R2 with Update

On the Settings Charm, under the Tiles option, we see a new option/setting for “Show More Apps In App View”. Enabling this option makes the application icons smaller so that more apps are shown per column.

W2K12R2 - Tiles

Windows Server 2012 R2

W2K12R2U1 - Tiles

Windows Server 2012 R2 with Update

W2K12R2U1 - Tiles - More Apps On

Windows Server 2012 R2 with Update

Also, if you install any new applications, on the Start Screen you are now informed about it. And, the new applications are highlighted so that they stand out.

W2K12R2U1 - New Apps Installed

Windows Server 2012 R2 with Update

W2K12R2U1 - New Apps Highlighted

Windows Server 2012 R2 with Update

You will also note that the expanded Apps view is slightly different. Notice the “D”, “I”, etc. on the left side of the screen.

W2K12R2U1 - Expanded Screen

Windows Server 2012 R2 with Update

What else is new/different? Well, let’s log into the system and right-click on the taskbar and choose Properties. Notice that there is now an option for “Show Windows store apps on the taskbar.”

W2K12R2 - Taskbar Properties 01

Windows Server 2012 R2

W2K12R2U1 - Taskbar Properties 01

Windows Server 2012 R2 with Update

If you mouse-over to the right side of the screen to access the Settings charm. Within there, click on Settings and then click on “Change PC Settings” at the bottom.

First notice that there is a Title Bar (similar to being in the “non-Metro”  Windows space). Notice also that we have the Context menu, and can split the screen view in different ways. There’s even a button on the right to Minimize and/or Close the window.

PC Settings - Context Menu

Windows Server 2012 R2 with Update

Looking in the Accounts space, there’s a new option for “Other Accounts”.

PC Settings - Accounts

Windows Server 2012 R2 with Update

Looking in the PC Ad Devices space, there’s a new option for “Disk Space”.

PC Settings - Disk Space

Windows Server 2012 R2 with Update

So, that’s a brief look at some of the differences in Windows Server 2012 R2 with Update.

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