Private/Get-EntraIDRegistrationCertificateThumbprint.ps1
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function Get-EntraIDRegistrationCertificateThumbprint { <# .SYNOPSIS Get the thumbprint of the certificate used for Entra ID device registration. .DESCRIPTION Get the thumbprint of the certificate used for Entra ID device registration. .NOTES Author: Nickolaj Andersen Contact: @NickolajA Created: 2021-06-03 Updated: 2021-06-03 Version history: 1.0.0 - (2021-06-03) Function created #> Process { # Define Cloud Domain Join information registry path $EntraIDJoinInfoRegistryKeyPath = "HKLM:\SYSTEM\CurrentControlSet\Control\CloudDomainJoin\JoinInfo" # Retrieve the child key name that is the thumbprint of the machine certificate containing the device identifier guid $EntraIDJoinInfoThumbprint = Get-ChildItem -Path $EntraIDJoinInfoRegistryKeyPath | Select-Object -ExpandProperty "PSChildName" # Handle return value return $EntraIDJoinInfoThumbprint } } |