What does HRESULT 0x80030102 (STG_E_REVERTED) mean?

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A parent Structured Storage transaction was reverted, invalidating the child storage or stream object in use.

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STG_E_NOTCURRENT	STG_E_CANTSAVE

STG_E_REVERTED

Why existing COM pointers become unusable

STG_E_REVERTED is a transaction-lifetime error. In transacted Structured Storage, IStorage::Revert discards changes made since the last commit. When a parent storage is reverted, child storages and streams opened from it are invalidated. Continuing to use a cached child interface can then return STG_E_REVERTED; apart from releasing it, that object must no longer be treated as a live view of the document.

This is different from a file that disappeared from disk. The storage hierarchy still exists conceptually, but the caller’s particular interfaces belong to a transaction branch that was rolled back.

Recovery and design

Release the invalid child interfaces and reopen the required storage or stream from a valid parent.
Make transaction ownership explicit: the component that calls Revert must notify consumers that hold descendants.
Avoid holding child streams across UI cancellation, rollback, or retry boundaries without a clear re-acquisition step.
Log the sequence of open, commit, and revert operations; the final HRESULT alone does not reveal which parent invalidated the object.

References

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