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WININET_E_HANDLE_EXISTS
WININET_E_HANDLE_EXISTS is a WinINet HRESULT. It means that the application attempted to create or register a handle or handle-associated object that is already present in the current WinINet context.
What to check for WININET_E_HANDLE_EXISTS
- Track handle ownership and avoid duplicate initialization for the same session or request object.
- Close or reuse an existing handle according to the intended lifetime instead of creating another one.
- Review concurrent startup paths for races that initialize the same network resource twice.
Diagnostic interpretation
This result has the HRESULT value 0x80072F04. AllStat records the condition as “The handle already exists”.
Evidence to capture
- Capture any IErrorInfo text, activity identifier, event-log entry, and subsystem trace that mentions this result or the wininet / handle / exists operation.
- compare the failing machine with a working one at the same configuration boundary: component version, policy, registration, identity, and target resource.
Retry and recovery
Retry this result only when the owning API documents a transient state or after the condition described as “The handle already exists” has changed.
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