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FWP_E_PROVIDER_CONTEXT_NOT_FOUND
FWP_E_PROVIDER_CONTEXT_NOT_FOUND indicates that a filter or callout operation refers to a provider context that does not exist. Provider contexts carry policy-specific data and are not interchangeable with the provider itself, a filter, or a raw context value.
How this usually happens
A deployment creates objects in the wrong order, deletes a context before its users, or reuses identifiers from a previous installation. It can also be a type or layer mismatch disguised as a missing object when configuration is reconstructed from an incomplete inventory.
Useful evidence
- Capture the provider GUID, provider-context key, filter key, callout key, layer, and sublayer from the final object definitions.
- Compare the creation and deletion order with the dependency graph used by the installer.
- Verify that the context type is valid for the referenced filter or callout rather than recreating an empty context solely to make the lookup succeed.
Microsoft: WFP error codes · Microsoft: WFP object management · Microsoft: filter references and access checks
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