Subinacl, short for Subinacl.exe, is a command-line tool developed by Microsoft that allows administrators to view and modify permissions on files, folders, and registry keys. John had used it many times before to troubleshoot permission issues, and he was confident that it would help him get to the bottom of this problem.
subinacl /service WSearch /display
Only keep SubInAcl if you:
6/10 Safety: 4/10 (easy to break system) Modern compatibility: 3/10 Should you learn it in 2026? ❌ No. Use PowerShell + NtObject module. subinacl windows 11
subinacl /list /s /c /p <folder_name>