Dmesg reports this error: CIFS VFS: cifs_mount failed w/return code = -12 Manual mount attempts report this: mount: mounting //192.168.1.1/share on /mountpoint failed: Cannot allocate memory Solution: Regedit on the Windows 7 machine and disable SMB2: 1) HKEY_LOCAL_MACHINE ->SYSTEM ->CurrentControlSet ->Services ->LanmanServer -> Parameters. 2) Create a DWORD with the name SMB2. Value 0