Setting a Registry Value.

Question

_{Tuesday, April 12, 2011 3:19 PM}

I am new to powershell. This is a very simple question.

I need to set a regsitry value. In the key that already on the system.

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Authentication\LogonUI\Background

a dword=1

Thank you.

All replies (7)

_{Tuesday, April 12, 2011 3:53 PM ✅Answered}

New-ItemProperty HKLM:\SOFTWARE\Microsoft\Windows\CurrentVersion\Authentication\LogonUI\Background -Name OEMBackground -Value 1 -PropertyType Dword

_{Tuesday, April 12, 2011 3:25 PM}

Set-ItemProperty HKLM:\SOFTWARE\Microsoft\Windows\CurrentVersion\Authentication\LogonUI\Background -Name OEMBackground -Value 1

_{Tuesday, April 12, 2011 3:50 PM}

Thanks for the quick help. But that sets a String Value. I need a dword.

_{Tuesday, April 12, 2011 3:56 PM | 1 vote}

try this:

Set-ItemProperty HKLM:\SOFTWARE\Microsoft\Windows\CurrentVersion\Authentication\LogonUI\Background -Name OEMBackground -Value 1 -type dword

regards Thomas Paetzold visit my blog on: http://sus42.wordpress.com

_{Tuesday, April 12, 2011 4:09 PM}

Thank you. That worked.

Another question. If value already set "which will not be the case" the script will fail with "The property already exists"

Is there a way to ingore or replace the existing value?

Thank you.

_{Tuesday, April 12, 2011 4:27 PM}

$value = (Get-ItemProperty HKLM:\SOFTWARE\Microsoft\Windows\CurrentVersion\Authentication\LogonUI\Background).OEMBackground
if ($value -eq 0)
{
    New-ItemProperty HKLM:\SOFTWARE\Microsoft\Windows\CurrentVersion\Authentication\LogonUI\Background -Name OEMBackground -Value 1 -PropertyType Dword -Force
}
else {"Ignore"}

or use command by  Peddy1st.

_{Tuesday, April 12, 2011 4:36 PM}

If it already has a dword value this script will ingore and exit. However if there is no value it sets a string instead of a dword?

Thanks for the help.