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RPC_E_OUT_OF_RESOURCES
RPC_E_OUT_OF_RESOURCES means that COM could not obtain a required runtime resource, such as memory, handles, or synchronization objects, while processing the call.
How to investigate
- Check process memory, handle counts, desktop heap, and system resource pressure near the failure.
- Look for leaked interface references, events, handles, or queued calls.
- Avoid retry storms that create more outstanding work while the runtime is resource-constrained.
If the failure is intermittent, capture resource counters over time rather than relying only on a single snapshot.
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