If you have both the “Microsoft SQL Databases” ticked and your backup set encompasses your SQL Data directory on the drive as well - you may not be backing up the latest database and could be in for a shock when you restore!
Version 126.96.36.199 (or higher?) you will see warning messages like “Failed while attempting to add unmodified file to database” referencing your database mdf and ldf files if you are affected by this. If you are on older versions they backup old data silently!
See this article:
Can anyone confirm or perform the same steps and verify?
Can this be fixed at a duplicati code level?