What does Windows error code 6812 (ERROR_CANT_CREATE_MORE_STREAM_MINIVERSIONS) mean?

 
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ERROR_CANT_OPEN_MINIVERSION_WITH_MODIFY_INTENT ERROR_REMOTE_FILE_VERSION_MISMATCH

ERROR_CANT_CREATE_MORE_STREAM_MINIVERSIONS

The stream cannot retain another transactional snapshot version

ERROR_CANT_CREATE_MORE_STREAM_MINIVERSIONS is a Transactional NTFS (TxF) file-system status. Each miniversion preserves a point-in-transaction file view. TxF creates them through FSCTL_TXFS_CREATE_MINIVERSION and returns a WORD-sized miniversion identifier along with the committed base version. The error indicates that the stream cannot create another snapshot in the current transactional history. It is a version-resource limit for that stream, not a volume free-space result by itself.

Count miniversion creation per stream and determine why the application creates a new snapshot. A loop that snapshots before every write can exhaust the usable version space long before the transaction reaches a logical commit boundary. Miniversions disappear when the transaction completes, so shorten oversized transactions or reduce snapshot frequency. Do not guess a version ID or delete TxF metadata manually; neither creates a valid free snapshot slot.

What to inspect

  • Measure miniversion creation rate per file stream and transaction.
  • Avoid creating redundant snapshots before every small write.
  • Commit or roll back at a sensible boundary so obsolete miniversions are discarded.

References


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