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MK_E_EXCEEDEDDEADLINE
Operation exceeded deadline
MK_E_EXCEEDEDDEADLINE has hexadecimal value 0x800401E1 (unsigned 2147746273, signed -2147221023). Windows reports “Operation exceeded deadline”. The narrow interpretation is that the moniker operation exceeded the deadline carried in its bind context. The failing stage is parsing, reducing, resolving, or binding under BIND_OPTS timing constraints.
API stage
- Confirm that this result came from parsing, reducing, resolving, or binding under BIND_OPTS timing constraints, rather than from cleanup or a wrapper that ran afterward.
Verification steps
- Identify the exact object, method, and lifecycle phase involved in parsing, reducing, resolving, or binding under BIND_OPTS timing constraints.
- Log the absolute deadline, start time, elapsed phase, and bind options.
- Split parsing, ROT lookup, activation, and storage access timings.
- Create a fresh bind context for each independent operation.
Interpretation limits
- It can result when the target or network is too slow for the configured deadline.
- It can result when a callback, server launch, or ROT lookup consumes most of the budget.
- It can result when the deadline is already expired because a bind context was reused.
Incident record
Recovery conditions
Correction. increase the deadline only when user experience and policy allow, or optimize/repair the slow phase. Retry condition. Retry with backoff and a new deadline only for a plausible transient delay; preserve cancellation semantics. Before repeating the operation, release partial monikers and bound interfaces, unregister only owned Running Object Table entries, and abandon a bind context whose deadline or parameters no longer match the retry.
Practical scenario
A URL moniker reuses a bind context created seconds earlier, so its deadline has passed before network I/O begins; creating a fresh context fixes the false timeout.
Difference from related HRESULTs
MK_E_UNAVAILABLE says the operation cannot currently be supplied without specifically proving a deadline expiration.
Developer and administrator guidance
References
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