Nothing indicate in the specification that it should be zero in fact it should be derived from the usn vector.
Created attachment 8055 [details] Proposed patch to fix the problem
Problem was spotted by DRSR test suite from microsoft, windows doesn't behave like that.
Comment on attachment 8055 [details] Proposed patch to fix the problem Looks good
Karolin, please pick this to v4-0-test.
Pushed to autobuild-v4-0-test. Closing out bug report. Thanks!