FreeFileSync Forum

In Windows 11 24H2, we've made two major security changes that can affect mapping drives to third-party consumer NAS or routers with USB storage: 1) By default, SMB signing is required on all connections. This increases your security by preventing tampering on the network and stops relay attacks ...

W11 upgrade to 24H2 - Error code 0x4f8: policies block unauthenticated guest access and only FFS but not Windows mapped drives for example. FreeFileSync 11.1 and 13.7 W11 23H2 no issues with FFS > login box appears > enter credentials and continue. All good no problems. W11 24H2 after upgrade no ...