Policy
Set a default associations configuration file
Windows 11 25H2
Policy overview
Key metadata and intent for this policy.
Supported OS tags: Windows10, Windows10RT, Windows11, Windows8, Windows81, WindowsRT, WindowsRT81, WindowsServer2012, WindowsServer2012R2, WindowsServer2016
This policy specifies the path to a file (stored locally or on a network location) that contains file type and protocol default application associations. This file can be created using the DISM tool. For example: Dism.exe /Online /Export-DefaultAppAssociations:C:\AppAssoc.txt For more information, refer to the DISM documentation. The file can be further edited after it is created to change how often the policy associations are applied. A "Version" attribute can be added to the "DefaultAssociations" element. The value should be an integer. A "Suggested" attribute can be added to any "Association" element. The value should be a bool and the default value is "false". When the policy is applied to a user, any Association that has Suggested="true" will only get applied once. If the Version value is ever incremented, Associations with Suggested="true" will get reapplied. If this group policy is enabled and the client machine is domain-joined, the file will be processed and default associations will be applied at logon time. If the policy is enabled, users will still be able to override default file type and protocol associations, but on next logon the file will be reapplied.
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 |
|---|---|---|---|
Default Associations Configuration File ID DefaultAssociationsConfiguration_TextBox | text | HKLM\Software\Policies\Microsoft\Windows\System\DefaultAssociationsConfiguration Type REG_SZ | None |
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