Modifying ProxyAddresses attribute for a user in Powershell

Getting the current ProxyAddresses attribute value for a user in Powershell :

Get-ADUser -Filter 'Name -like "*username*"' -Properties ProxyAddresses


Setting several values for ProxyAddresses attribute :

Set-ADUser -Identity username -add @{Proxyaddresses="SMTP:username@domain",




Changing the PATH variable in PowerShell 5.1

This $ENV:PATH holds the value of your current PATH settings. This variable can be updated in your current PowerShell terminal :

$ENV:PATH="$ENV:PATH;C:\Program Files (x86)\Notepad++"

You can also retrieve the current value with the following cmdlet Get-ItemProperty :

Get-ItemProperty -Path ‘Registry::HKEY_LOCAL_MACHINE\System\CurrentControlSet\Control\Session Manager\Environment’ -Name PATH

To make this change permanently, open up a new PowerShell terminal as Administrator (using runas) :

$oldpath = (Get-ItemProperty -Path ‘Registry::HKEY_LOCAL_MACHINE\System\CurrentControlSet\Control\Session Manager\Environment’ -Name PATH).Path

$newpath = "$oldpath;C:\Program Files (x86)\Notepad++"

Set-ItemProperty -Path 'Registry::HKEY_LOCAL_MACHINE\System\CurrentControlSet\Control\Session Manager\Environment’ -Name PATH -Value $newpath

Now, just log out of your current Windows session to take this change into account

NB : Tested successfully on Windows 10