Policy
Configure Application Guard container precreation
Microsoft Office 5532.1000
Policy overview
Key metadata and intent for this policy.
Supported OS tags: Windows10
This policy setting determines if the Application Guard container, for isolating untrusted files, is pre-created for improved run time performance. If you enable this policy setting, you can specify the number of days to continue pre-creating an Application Guard container if the user has not opened a file with Application Guard. Pre-creating a container when the user logs in will decrease the wait time when opening an untrusted file. “65535” will configure Office to always create an Application Guard container when a user logs into Windows. "20" will configure Office to pre-create the container each time a user logs into Windows for up to 20 days after the last time the user opened an untrusted file using Application Guard. “0” will configure Office to never pre-create the container. Instead the container will only be created when a user opens their first untrusted file after logging into Windows. Note: if you configure Office to never pre-create a container then users will experience a longer wait when opening an untrusted file after logging into Windows. If you disable or don’t configure this setting, Office will use a built-in heuristic to pre-create the container. Note: This policy setting only applies to Microsoft 365 Apps for enterprise.
Registry values
How enabled and disabled states update the registry.
No explicit registry values are set for enabled or disabled states.
Policy elements
Inputs and configuration options exposed by this policy.
| Element | Type | Registry mapping | Constraints & behavior |
|---|---|---|---|
Pre-Create Window (days): ID L_SetAppGuardPreWarmWindowValue | decimal | HKCU\software\policies\microsoft\office\16.0\common\security\applicationguard\prewarmwindow Type REG_DWORD | Range: 0 to 65536 |
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