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FWP_E_SESSION_ABORTED
FWP_E_SESSION_ABORTED means that the WFP session was canceled and its handle is no longer valid for normal operations. Microsoft explicitly says to close that handle even though it is invalid, otherwise client-side state leaks; a new session must then be opened.
What this is not
This code does not identify the original policy mistake by itself. It is a session-lifecycle result that can follow engine or communication failure. Continuing to issue management calls through the old handle can hide the original diagnosis behind secondary errors.
Required recovery sequence
- Stop using the canceled handle and close it through the documented WFP close function.
- Open a fresh session, then enumerate or query the engine instead of assuming the previous transaction or object cache is current.
- Recreate only the policy that is actually absent or inconsistent; do not duplicate objects blindly.
Microsoft: WFP error codes and required handle cleanup · Microsoft: WFP session lifecycle · Microsoft: WFP error-path design
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