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Overview of WMF 4.0 : http://www.microsoft.com/en-us/download/details.aspx?id=40855
I have mention in my previous blog post, that to leverage the benefits of the DSC, we have to install the PowerShell Version 4.0.
Windows PowerShell 4.0 is a part of the “Windows Management Framework 4.0” [WMF 4.0].
What WMF 4.0 includes
WMF 4.0 included the following.
1. Windows PowerShell
2. Windows PowerShell Integrated Scripting Environment (ISE)
3. Windows PowerShell Web Services (Management OData IIS Extension)
4. Windows Remote Management (WinRM)
5. Windows Management Infrastructure (WMI)
6. Server Manager WMI provider
7. Windows PowerShell Desired State Configuration (DSC)
Note: Make sure, PowerShell 4.0 is required on the both machines where you are going to write configuration scripts and on the Server and nodes where you want to deploy exported MOF files.
Supporting operating system
PowerShell 4.0 {WMF 4.0} can be installed / available on the below operating Systems.
OS
|
Built In
|
Service Pack
|
Edition
|
Windows 7
|
No
|
Service Pack 1
|
All
|
Windows Embedded 7
|
No
|
All
| |
Windows Server 2008 R2
|
No
|
Service Pack 1
|
All except IA64
|
Windows Server 2012
|
No
|
All except IA64
| |
Windows 8
|
No
|
You can’t install it on Windows 8, upgrade it to 8.1 , then you can install it.
| |
Windows 8.1
|
Yes
| ||
Windows Server 2012 R2
|
Yes
Note: WMF 3.0 [PowerShell V3] and WMF 2.0 [PowerShell V2] and not required for the installation of WMF 4.0 [PowerShell 4.0]
Requirements for installation:
.NET Framework 4.5 must be installed before installing WMF 4.0. Also Try to install all windows update before installing PowerShell 4.0 [WMF 4.0]
Installation on windows 7 or Windows 2008 R2
Windows 7
You can find description on WMF 4.0 at this link : http://support.microsoft.com/kb/2819745
1. Download and Install Service Pack 1 for windows 7, if it is not already installed.
2. Download and Install .Net Framework 4.5
3. Download WMF 4.0 and double click on .msu file to start installation.
o X86
§ Windows6.1-KB2819745-x86.msu
o X64
§ Windows6.1-KB2819745-x64-MultiPkg.msu
4. Reboot your computer once installation is finishes.
Windows 2008 r2
You can find description on WMF 4.0 at this link: http://support.microsoft.com/kb/2819745
The installation of PowerShell 4.0 on Windows 2008 R2 Server is same as windows 7.
I have installed PowerShell 4.0 in one of my freshly installed sever, so it is worth sharing the screenshots of the installation with you.
1. Make sure that Service Pac1 is installed on your Windows 2008 R2 Server, if Service Pack is not installed , please install it.
b. 
2. Download and install .Net 4.5
ii. Accept the Terms
iii. Click on Install.
iv. 
v. 
vi. After few minute {depends on on your internet connection speed} you will see the finish screen on the .NET installer, click on FINISH.
vii. 
3. Now, our .NET 4.5 is installed successfully, let’s check which version of PowerShell is installed on the server.
a. Run $PSVersionTable to check the installed PowerShell version,
i. You can see, currently PowerShell version 2.0 is installed.
b. 
4. Ok’ , let’s run the installation file for WMF 4.0
a. X64
i. Windows6.1-KB2819745-x64-MultiPkg.msu
iii. Download and run it
iv.
v. 
vi.
vii. It will ask you about , that if you want to install the update “KB2819745” , click on YES
viii.
ix. 
x. N
xi. Accept the licence Term and click on “I Accept”
xii. 
xiii.
xiv. It will start the installation of the WMF 4.0
xv.
xvi. 
xvii. A
xviii. Once the installation is finishes, it will ask you to reboot the server, please reboot it.
xix. 
b. Once you reboot the server , and login back, open the PowerShell console and run the $PSVersionTable to check the PowerShell version
i. $psVersionTable
ii. And you can see that we have 4.0 installed J
iii. 
Installation on Windows 2012
Installation of WMF 4.0 on windows 2012 is very simple.
1. .Net 4.5 is preinstalled in Windows Server 2012
2. Download Windows8-RT-KB2799888-x64.msu
3. Double click on the .msu file and install it.
4. Once it is installed, reboot your server.
5. Check the output of $psversionTable
Things to remember
Known Issue
Problem: Installing WMF 4.0 on a computer that is not running .NET 4.5 , may report that the installation is successful but PowerShell 4.0 is not installed.
Solution: Install .NET Framework 4.5 and run the installer again.
That’s all for today, See you in next blog post.
Regards
Aman Dhally
If you like, you can follow me on Twitter and Facebook. You can also check my “You Tube” channel for PowerShell video tutorials. You can download all of my scripts from “Microsoft TechNet Gallery”.
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