Lockable Preferences: Preventing End User Modification

On Windows, UNIX, and Macintosh (11.0 and later), certain security-sensitive or otherwise enterprise-centric preferences are lockable to prevent changes by end users through the user interface. These preferences often reside both in USER hives (e.g. HKCU) as well as machine level hives (e.g. HKLM). If a preference is lockable, it must exist in the machine level hive under the FeatureLockDown section. Modification requires administrator privileges.

For more detail, see the Administration Guide.

Lockable keys in FeatureLockDown

[HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Adobe\Acrobat Reader\9.0\FeatureLockDown\cDefaultLaunchURLPerms]
		"tSchemePerms"="version:1|shell:3|hcp:3|ms-help:3|ms-its:3|ms-itss:3|its:3|mk:3|mhtml:3|help:3|disk:3|afp:3|disks:3|telnet:3|ssh:3|acrobat:2|mailto:2|file:1|rlogin:3"
		"tSponsoredContentSchemeWhiteList"="http|https"
		"tFlashContentSchemeWhiteList"="http|https|ftp|rtmp|rtmpe|rtmpt|rtmpte|rtmps|mailto"

The following subfeatures have lockable preferences:

• Combine PDFs
• Create PDF
• Create PDF
• Modern Viewer
• Reflow editing
• Shared Reviews
• Upsell
• What's New Experience

Combine PDFs

Keyname	Description
bRCMCombineFeatureKey	Specifies whether to display the Combine Files item in a document's right-click context menu.

Create PDF

Keyname	Description
EnablePDFMakerGroupImagesTagCorrectionFeature	Specifies whether to disable accessibility fixes for tagging grouped images.
EnablePDFMakerTableHeaderCellTagAndScopeUpdateFeature	Specifies whether to disable accessibility fixes for tagging table headers.

Create PDF

Keyname	Description
bGlobalBarMenuFeatureKey	Specifies whether to show the Create Split Menu under Create a PDF menu item.

Modern Viewer

Keyname	Description
bEnableAV2Enterprise	Specifies whether to enable the Modern Viewer.

Reflow editing

Keyname	Description
bEnableReflowEditing	Specifies whether to lock ReflowEditing and the reflow feature.
bReflowEditing	Specifies whether to enable reflow mode when editing a PDF.

Shared Reviews

Keyname	Description
bEnableRecipientMention	Specifies whether to allow participants in a shared review to @mention people who are not review collaborators.

Upsell

Keyname	Description
bMerchandizingEnabled	Specifies whether to show the Express Templates options in Acrobat's Create PDF UI.

What's New Experience

Keyname	Description
bWhatsNewExp	Specifies whether to disable the What's New experience.