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Fix capture and restore of signed dword/qword registry values

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Co-authored-by: Copilot <copilot@github.com>
This commit is contained in:
Jeffrey
2026-05-11 19:14:08 +02:00
parent 8ac664e45f
commit 24a6f1bcf8
3 changed files with 27 additions and 9 deletions
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19
Scripts/Features/BackupRegistrySnapshotCapture.ps1
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@@ -226,12 +226,19 @@ function Convert-RegistryValueToSnapshot {
$valueKind = $RegistryKey.GetValueKind($ValueName)
$value = $RegistryKey.GetValue($ValueName, $null, [Microsoft.Win32.RegistryValueOptions]::DoNotExpandEnvironmentNames)
$normalizedValue = switch ($valueKind) {
([Microsoft.Win32.RegistryValueKind]::Binary) { @($value | ForEach-Object { [int]$_ }) }
([Microsoft.Win32.RegistryValueKind]::MultiString) { @($value) }
([Microsoft.Win32.RegistryValueKind]::DWord) { [uint32]$value }
([Microsoft.Win32.RegistryValueKind]::QWord) { [uint64]$value }
default { if ($null -ne $value) { [string]$value } else { $null } }
try {
$normalizedValue = switch ($valueKind) {
([Microsoft.Win32.RegistryValueKind]::Binary) { @($value | ForEach-Object { [int]$_ }) }
([Microsoft.Win32.RegistryValueKind]::MultiString) { @($value) }
([Microsoft.Win32.RegistryValueKind]::DWord) { [BitConverter]::ToUInt32([BitConverter]::GetBytes([int32]$value), 0) }
([Microsoft.Win32.RegistryValueKind]::QWord) { [BitConverter]::ToUInt64([BitConverter]::GetBytes([int64]$value), 0) }
default { if ($null -ne $value) { [string]$value } else { $null } }
}
}
catch {
$valueType = if ($null -ne $value) { $value.GetType().FullName } else { '<null>' }
$valueForLog = if ($null -eq $value) { '<null>' } elseif ($value -is [array]) { ($value -join ',') } else { [string]$value }
throw "Failed to normalize registry value for backup. Key='$($RegistryKey.Name)' Name='$ValueName' Kind='$valueKind' RawType='$valueType' RawValue='$valueForLog'. InnerError: $($_.Exception.Message)"
}
return @{