How to activate SMB 1 on Synology NAS (DSM 7)
1. Go in "File's service" > "SMB/AFP/NFS" and check the box "Enable SMB service".
2 In the same section, in "Advanced settings", you must check the option "Enable NTLMv1 authentification".
3. In the same section, in "General", please check that the "Minimum SMB Protocol" is set on "SMB 1"
