Policy
Configure per-application WebView2 downgrade version
Microsoft Edge
Policy overview
Key metadata and intent for this policy.
Supported OS tags: Windows7
This policy lets you specify the exact 4-part version of the WebView2 Runtime that specific applications should use in enterprise downgrade scenarios. Configure the policy by setting the value name to the Application User Model ID or the executable file name (for example, ms-teams.exe). Set the value to the target full version string using the 4-part numeric format (for example, 151.0.2178.0). Major-only values (for example, 151), wildcard values (for example, 151.*), and values that are not exact 4-part numeric versions are not supported. Enterprise downgrade supports target versions from N-1 through N-4 relative to the current Evergreen WebView2 Runtime major version. The WebView2 loader resolves the runtime installation directory only when a folder that exactly matches the configured full version exists (for example, 151.0.2178.0 must match 151.0.2178.0 exactly). If no exact matching folder is found, the policy has no effect and the runtime defaults to the BrowserExecutableFolder policy or the Evergreen runtime (the default auto-updating runtime). Example value: Name: ms-teams.exe, Value: 151.0.2178.0 Name: olk.exe, Value: 152.0.2164.0
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.
| Scope | Element | Type | Registry mapping | Constraints & behavior | Copy |
|---|---|---|---|---|---|
Set value name to the Application User Model ID or the executable file name. Set value to the target full 4-part version string (for example, 151.0.2178.0). ID DowngradeVersionDesc | list | Path Software\Policies\Microsoft\Edge\WebView2\DowngradeVersion Value name User-defined names Type REG_SZ | List: explicit value |