FSRM can glitch out and report incorrect quota values for directories. In this scenario, we can use the DIRQUOTA command via elevated CMD prompt to resolve. dirquota quota scan /path:<Path> [/remote:<ComputerName>]   REF: https://docs.microsoft.com/en-us/previous-versions/windows/it-pro/windows-server-2012-R2-and-2012/cc742101(v=ws.11)