HRESULT 0x80030101 (STG_E_NOTCURRENT): meaning and diagnosis

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Description:

Another writer committed changes, so the current Structured Storage transaction is no longer current.

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STG_E_INUSE	STG_E_REVERTED

STG_E_NOTCURRENT

A stale-writer warning

STG_E_NOTCURRENT means another open instance of the storage committed changes after the caller’s view was established. The HRESULT is valuable because it prevents a stale writer from quietly overwriting a newer committed version. It is therefore not a reason to force a write; it is a version-conflict signal.

Microsoft documents the condition for IStorage::Commit and recommends STGC_ONLYIFCURRENT when multiple simultaneous writers are not prohibited. This turns a hidden lost-update risk into a detectable failure that the application can resolve deliberately.

Correct recovery pattern

Stop the current commit and preserve the caller’s pending changes separately.
Reopen or reload the latest committed storage before deciding whether changes can be replayed safely.
Compare the semantic data, not only timestamps; two writers may have changed the same stream differently.
Use a single-writer design, a lock/lease, or an explicit merge policy for documents that must support concurrent edits.

References

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