If you modify the autocommit time period of a SmartLock directory that contains uncommitted files, the new autocommit time period is immediately applied to the files that existed before the modification. For example, consider a SmartLock directory with an autocommit time period of 2 hours. If you modify a file in the SmartLock directory at 1:00 PM, and you decrease the autocommit time period to 1 hour at 2:15 PM, the file is instantly committed to a WORM state.
If a file is manually committed to a WORM state, the read-write permissions of the file are modified. However, if a file is automatically committed to a WORM state, the read-write permissions of the file are not modified.