Source code for restart_physicalnetworkadapters.ps

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<#
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.SYNOPSIS
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Restart all physical network adapters
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.DESCRIPTION
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If run with elevated privileges, this script will disable all physical network adapters on the local computer, wait for a specified number of seconds (default: 5), and then reenable all physical network adapters.

If run without elevated privileges, this script will only show each physical network adapter's status.

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.PARAMETER Delay
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The number of seconds between disabling/enabling the network card and checking the new status.

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.PARAMETER Version
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Show this script's version number.
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If combined with -Verbose show full script path, version number and last/modified/release date.

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.PARAMETER Verbose
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Show verbose version info when -Version switch is used.

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.EXAMPLE
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. './Restart_PhysicalNetworkAdapters.ps1'

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Output will look like this:
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Name                      InterfaceDescription                    ifIndex Status       MacAddress             LinkSpeed

----                      --------------------                    ------- ------       ----------             ---------

Ethernet                  NVIDIA nForce Networking Controller           6 Up           01-23-45-67-89-AB         1 Gbps

Ethernet                  NVIDIA nForce Networking Controller           6 Disabled     01-23-45-67-89-AB         1 Gbps

Ethernet                  NVIDIA nForce Networking Controller           6 Up           01-23-45-67-89-AB         1 Gbps

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.LINK
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Script written by Rob van der Woude
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https://www.robvanderwoude.com/
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#>
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param(
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	[ValidateRange(5,60)]
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	[Int]$Delay = 5,
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	[switch]$Version,
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	[switch]$Verbose
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)
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$progver = '1.01'
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if ( $Version ) {
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	if ( $Verbose ) {
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		$lastmod = ( [System.IO.File]::GetLastWriteTime( $PSCommandPath ) )

		if ( $lastmod.ToString( "h.mm" ) -eq $progver ) {

			"`"{0}`", Version {1}, release date {2}" -f $PSCommandPath, $progver, $lastmod.ToString( "yyyy-MM-dd" )

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		} else {
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			# if last modified time is not equal to program version, the script has been tampered with

			"`"{0}`", Version {1}, last modified date {2}" -f $PSCommandPath, $progver, $lastmod.ToString( "yyyy-MM-dd" )

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		}
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	} else {
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		$progver
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	}
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	exit 0
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}
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Get-NetAdapter -Physical
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if ( ( [Security.Principal.WindowsPrincipal][Security.Principal.WindowsIdentity]::GetCurrent( ) ).IsInRole( [Security.Principal.WindowsBuiltInRole]::Administrator ) ) {

	Get-NetAdapter -Physical | Disable-NetAdapter -AsJob | Out-Null

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	Start-Sleep $Delay
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	Get-NetAdapter -Physical
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	Get-NetAdapter -Physical | Enable-NetAdapter -AsJob | Out-Null

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	Start-Sleep $Delay
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	Get-NetAdapter -Physical
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}
```