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Add documentation for ScanBeforeInitialLogon

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Adding documentation for a registry value introduced being introduced in Win11 22H2 to support scanning for and installing updates before a first user logon.  This is meant to be used only for devices (such as CloudPCs based on Azure VM) where there is a significant delay between the completion of the first user experience and the initial logon.  Included a warning that using this value may have a negative effect when used in retail devices.
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Gerardo Camacho 2023-03-08 11:16:25 -08:00 committed by GitHub
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windows/deployment/update/waas-wu-settings.md
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@ -283,3 +283,17 @@ if (!(Test-Path $registryPath))
New-ItemProperty -Path $registryPath -Name $name -Value $value -PropertyType DWORD -Force | Out-Null
```
## <a name="bkmk_display-name"> </a> Allow Windows Updates to install before initial user logon
This value is supported on devices running Windows 11, version 22H2 or newer.
On new devices Windows Update does not begin to install background updates until a user has completed the Out of Box Experience and logs on for the first time. The initial logon typically happens immediately after completing that first user experience. Some VM-based solutions provision a device and automate the first user experience but are not immediately assigned to a user and don't see an initial logon until several days later.
In those scenarios, setting the following registry value allows those devices to begin background update work before a first user logon:
- **Registry key**: HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\WindowsUpdate\Orchestrator
- **DWORD value name**: ScanBeforeInitialLogonAllowed
- **Value data**: 1
> [!NOTE] This value is designed to be used only for scenarios with a deferred initial user logon. Setting this value on normal consumer retail devices could have a detrimental effect on performance as it may allow update work to occur as the user is logging in for the first time.