I am using kernel version 3.8.13 and windows 7. The below command works successfully: Linux#> mount -t cifs //107.109.224.147/sharefolder /mnt -o user=a.sangwan -o pass=xxxx -o vers=1.0 -o sec=ntlm Other than 1.0, all are fail: Linux#> mount -t cifs //107.109.224.147/sharefolder /mnt -o user=a.sangwan -o pass=xxxx -o vers=2.0 -o sec=ntlm [ 0][ 64.276000] Status code returned 0xc000006d STATUS_LOGON_FAILURE [ 0][ 64.284000] CIFS VFS: Send error in SessSetup = -13 Tried with sec=ntlmv2/none/lanman/krb5, none of them worked. Help please!!ÿôèº{.nÇ+‰·Ÿ®‰†+%ŠËÿ±éݶ¥Šwÿº{.nÇ+‰·¥Š{±ýÈŸ³ø§¶›¡Ü¨}©ž²Æ zÚ&j:+v‰¨þø¯ù®w¥þŠà2ŠÞ™¨èÚ&¢)ß¡«a¶Úÿÿûàz¿äz¹Þ—ú+ƒùšŽŠÝ¢jÿŠwèþf