What does Windows error code 6643 (ERROR_LOG_STATE_INVALID) mean?

ERROR_LOG_STATE_INVALID

Log service is not in the correct state to perform a requested action.

ERROR_LOG_STATE_INVALID is Win32 error 6643 (0x000019F3) in Common Log File System (CLFS).

Where the result appears

• issuing management calls during initialization or shutdown.
• writing after a fatal log error.
• changing policy while recovery is active.
• reusing a log handle after the owning service changed state.

What to verify

Verify whether the log has completed the lifecycle transition required by the requested operation. Check log state before the call, handle generation and client identity, and previous CLFS result.

Likely causes

• the log is opening, closing, recovering, or deleting.
• a prior fatal error moved the log into an unusable state.
• the handle belongs to an earlier log generation.
• the request is out of order for the current lifecycle.
• service shutdown began before the operation arrived.

Troubleshooting steps

1. Collect log state before the call.
2. Record handle generation and client identity.
3. Correlate previous CLFS result with the owning application log, CLFS-related System events, storage events, and any transaction or recovery trace.

Handling, retry, and recovery

Finish or roll back the current lifecycle transition, close stale handles, reopen the log, and submit the operation only in its documented state.

Related errors

ERROR_LOG_CONTAINER_STATE_INVALID identifies one container; this code describes the state of the log as a whole.

Example

A worker retains a log handle across service reinitialization. Its next append receives it; obtaining a new client context against the reopened log restores correct ordering.

References

• Microsoft: Win32 system error range containing this code
• Microsoft: Common Log File System
• Microsoft: Creating a Log File
• Microsoft: Introduction to CLFS