Cisco ASA PPTP not working

*** I am not able to create a PPTP connection to my office unless I bypass my firewall. I believe I am missing something from my configuration. Any ideas?***


ASA Version 7.2(4)
!
hostname ASA
enable password  encrypted
passwd  encrypted
names
!
interface Vlan1
 nameif inside
 security-level 100
 ip address 172.16.0.1 255.255.255.0
 ospf cost 10
!
interface Vlan2
 nameif outside
 security-level 0
 ip address dhcp setroute
 ospf cost 10
!
interface Ethernet0/0
 switchport access vlan 2
!
interface Ethernet0/1
!
interface Ethernet0/2
!
interface Ethernet0/3
!
interface Ethernet0/4
!
interface Ethernet0/5
!
interface Ethernet0/6
!
interface Ethernet0/7
!
ftp mode passive
clock timezone EST -5
clock summer-time EDT recurring
access-list VPN-Users_splitTunnelAcl standard permit any
access-list VPN-Users_splitTunnelAcl standard permit 172.16.0.0 255.255.255.0
pager lines 24
logging enable
logging asdm informational
mtu inside 1500
mtu outside 1500
ip local pool vpn-users-pool 172.16.0.250-172.16.0.254 mask 255.255.255.0
icmp unreachable rate-limit 1 burst-size 1
no asdm history enable
arp timeout 14400
global (outside) 1 interface
nat (inside) 1 0.0.0.0 0.0.0.0
timeout xlate 3:00:00
timeout conn 1:00:00 half-closed 0:10:00 udp 0:02:00 icmp 0:00:02
timeout sunrpc 0:10:00 h323 0:05:00 h225 1:00:00 mgcp 0:05:00 mgcp-pat 0:05:00
timeout sip 0:30:00 sip_media 0:02:00 sip-invite 0:03:00 sip-disconnect 0:02:00
timeout sip-provisional-media 0:02:00 uauth 0:05:00 absolute
http server enable
http 172.16.0.0 255.255.255.0 inside
no snmp-server location
no snmp-server contact
snmp-server enable traps snmp authentication linkup linkdown coldstart
crypto ipsec transform-set ESP-3DES-SHA esp-3des esp-sha-hmac
crypto dynamic-map outside_dyn_map 20 set pfs
crypto dynamic-map outside_dyn_map 20 set transform-set ESP-3DES-SHA
crypto dynamic-map outside_dyn_map 40 set pfs group1
crypto dynamic-map outside_dyn_map 40 set transform-set ESP-3DES-SHA
crypto dynamic-map outside_dyn_map 60 set pfs group1
crypto dynamic-map outside_dyn_map 60 set transform-set ESP-3DES-SHA
crypto map outside_map 65535 ipsec-isakmp dynamic outside_dyn_map
crypto map outside_map interface outside
crypto isakmp enable outside
crypto isakmp policy 10
 authentication pre-share
 encryption 3des
 hash sha
 group 2
 lifetime 86400
crypto isakmp nat-traversal  20
telnet 0.0.0.0 0.0.0.0 inside
telnet timeout 1440
ssh 0.0.0.0 0.0.0.0 outside
ssh timeout 60
console timeout 0
dhcpd auto_config outside
!
dhcpd address 172.16.0.30-172.16.0.40 inside
dhcpd enable inside
!

group-policy VPN-Users internal
group-policy VPN-Users attributes
 vpn-tunnel-protocol IPSec
 split-tunnel-policy tunnelspecified
 split-tunnel-network-list value VPN-Users_splitTunnelAcl
 user-authentication enable
 vpn-group-policy VPN-Users
tunnel-group VPN-Users type ipsec-ra
tunnel-group VPN-Users general-attributes
 address-pool vpn-users-pool
tunnel-group VPN-Users ipsec-attributes
 pre-shared-key *
!
class-map inspection_default
 match default-inspection-traffic
!
!
policy-map type inspect dns preset_dns_map
 parameters
  message-length maximum 512
policy-map global_policy
 class inspection_default
  inspect dns preset_dns_map
  inspect ftp
  inspect h323 h225
  inspect h323 ras
  inspect rsh
  inspect rtsp
  inspect esmtp
  inspect sqlnet
  inspect skinny
  inspect sunrpc
  inspect xdmcp
  inspect sip
  inspect netbios
  inspect tftp
!
service-policy global_policy global
prompt hostname context
Cryptochecksum:e85a6d30810c57c9f072438747598f80
: end
ASA#