What does HRESULT 0x80042329 (VSS_E_TRANSACTION_THAW_TIMEOUT) mean?

Status / error code:

Category:

Constant name:

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Description:

Too much time elapsed between freezing a transaction manager and thawing the transaction manager.

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VSS_E_TRANSACTION_FREEZE_TIMEOUT	VSS_E_UNSELECTED_VOLUME

VSS_E_TRANSACTION_THAW_TIMEOUT

VSS_E_TRANSACTION_THAW_TIMEOUT Too much time elapsed between freezing and thawing a transaction manager. The issue is usually delayed snapshot completion, a blocked provider, or an application that cannot resume promptly.

What to check

Inspect VSS, provider, and application logs around Freeze and Thaw to identify which component delayed the sequence.
Check for resource contention, backup software hooks, and storage latency that prolongs snapshot creation.
Retry after the system is stable, but investigate recurring occurrences because an extended frozen state can affect application availability.

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