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How to Install .Net Framework 3.5 on Windows Server 2012 R2

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Need to install .NET Framework 3.5 on Windows Server 2012 or Windows Server 2012 R2?

If you get the following error. You will need to install .NET Framework 3.5 on your server.


1. Put your Windows Server 2012 R2 disk into the server before doing anything else...
(VMware/Hyper-V add it to the VM Settings and Connect it to the VM / Physical Servers Put in the DVD).

1. Right-Click on PowerShell and "Run as Administrator" (Click Yes on UAC if it's enabled)


2. Run this command at the command line:

dism /online /enable-feature /featurename:NetFX3 /all /Source:d:\sources\sxs /LimitAccess



3. It will give you a message that it's 100% completed (Give it a few minutes, it takes like 3-5 minutes).

4. You can then verify if your paranoid that it installed under the Server Manager and check Features...=)



Remove Hidden or Ghost Network Interfaces from Hyper-V

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Note:Applies to all Windows Servers as a Post P2V Cleanup Tasks.

1. Open CMD Prompt (Run As Administrator)

2. set devmgr_show_nonpresent_devices=1

3. Open Device Manager from the CMD Prompt Command Line: C:\>devmgmt.msc


4. Uninstall all of the Ghost/Shadow NIC's and then reboot your server.

Now your back in business!