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ERROR_LOG_RESTART_INVALID
The CLFS restart area cannot be accepted as valid recovery state
Restart areas are special CLFS records used by clients to persist checkpoint information. ReadLogRestartArea returns the most recently written successful restart area and its LSN; clients such as transactional resource managers can use checkpoint state as the starting point for recovery. An invalid restart area is therefore different from having no restart area at all: CLFS encountered restart information but could not accept its structure or state as valid.
Identify which component owns the stream and what its restart record is expected to represent. Preserve the physical log before resetting it, because later data records may depend on the last valid checkpoint. Review abrupt shutdowns, partial restores, and any code that writes restart areas or advances the base LSN at the same time. If the owner has a supported recovery or log-reset mechanism, use it rather than manufacturing a replacement restart record; the payload is client-defined and must match the client recovery algorithm.
What to inspect
- Read the owner-specific recovery logs and identify the last successful checkpoint or restart-area write.
- Check whether the physical log was restored independently from the data protected by the log.
- Preserve the stream and use the owning component recovery procedure instead of creating synthetic restart data.
References
- Microsoft: ReadLogRestartArea and restart read contexts
- Microsoft: ReadPreviousLogRestartArea and restart history
- Microsoft: CLFS log streams and restart areas used for transactional recovery
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