How to enable / Disable Enhanced Protection Mode in Internet Explorer using PowerShell?

Internet Explorer (IE) supports the enhanced protection mode for more security of the browser and the same can be enabled/disabled using PowerShell. Let see when we can find this setting in IE.

Internet Explorer → Internet Options → Advanced → Enable Enhanced Protection Mode

We can modify this setting using PowerShell and for that registry settings need to be done. Registry value can be found under Computer\HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Internet Explorer\Main and the key name is Isolation for enhanced protection mode.

• PMIL – To disable IE enhanced protection Mode

• PMEM – To Enable IE enhanced protection mode

To make the changes using the script.

Enable IE EP mode

If there is no Isolation Key exists you can use the below command to create a new key and value.

New-ItemProperty 'HKCU:\SOFTWARE\Microsoft\Internet Explorer\Main' `
   -Name Isolation -Value "PMEM" -ErrorAction Ignore -Verbose

If the Isolation key already exists then you just need to set the registry value. For example,

Set-ItemProperty 'HKCU:\SOFTWARE\Microsoft\Internet Explorer\Main' `
   -Name Isolation -Value "PMEM" -ErrorAction Ignore -Verbose

Disable IE IP mode

If there is no Isolation Key exists you can use the below command to create a new key and value.

New-ItemProperty 'HKCU:\SOFTWARE\Microsoft\Internet Explorer\Main' `
   -Name Isolation -Value "PMIL" -ErrorAction Ignore -Verbose

If the Isolation key already exists then you just need to set the registry value. For example,

Set-ItemProperty 'HKCU:\SOFTWARE\Microsoft\Internet Explorer\Main' `
   -Name Isolation -Value "PMIL" -ErrorAction Ignore -Verbose

Chirag Nagrekar

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Updated on: 28-Jul-2020

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