What happen error VPN rasman.log

This is my rasman.log when connection is right from home and windows vista
[3752] 11-25 19:16:02:453: WorkerThread: Async work event signaled on port:
VPN3-4
[3752] 11-25 19:16:02:453: OVEVT_DEV_ASYNCOP. pOverlapped = 0x111ef0
[3752] 11-25 19:16:02:453: ServiceWorkRequest: Async op event 27 for port
VPN3-4 returned 600
[3752] 11-25 19:16:02:453: WorkerThread: Async work event signaled on port:
VPN3-4
[3752] 11-25 19:16:02:453: OVEVT_DEV_ASYNCOP. pOverlapped = 0x111ef0
[3752] 11-25 19:16:02:453: ServiceWorkRequest: Async op event 27 for port
VPN3-4 returned 600
[3752] 11-25 19:16:02:453: WorkerThread: Async work event signaled on port:
VPN3-4
[3752] 11-25 19:16:02:453: OVEVT_DEV_ASYNCOP. pOverlapped = 0x111ef0
[3752] 11-25 19:16:02:453: d:\nt\net\rras\ras\rasman\rasman\request.c: 7623:
port 5 state chg: prev=1, new=5
[3752] 11-25 19:16:02:453: RasmanReceiveFlags = 0x0
[3752] 11-25 19:16:02:453: d:\nt\net\rras\ras\rasman\rasman\worker.c: 2356:
port 5 async reqtype chg: prev=27, new=0
[3752] 11-25 19:16:02:453: ServiceWorkRequest: Async op event 27 for port
VPN3-4 returned 0
[3900] 11-25 19:16:02:453: ConnectCompleteRequest: entered for port 5
[3900] 11-25 19:16:02:453: d:\nt\net\rras\ras\rasman\rasman\request.c: 7499:
port 5 state chg: prev=5, new=2
[3900] 11-25 19:16:02:453: AllocBundle: pBundle=0x542f088

[3900] 11-25 19:16:02:453: d:\nt\net\rras\ras\rasman\rasman\request.c 9017:
Mapping Cookie to handle. port = VPN3-4(0x1156c8), Bundlehandle = 0x3,
linkhandle = 0x3
[3900] 11-25 19:16:02:453: DwSaveIpAddressInfo: pszAddress=80.38.0.163
[3900] 11-25 19:16:02:453: ConnectCompleteRequest: DwSaveIpAddressInfo
returned 0x0
[3900] 11-25 19:16:02:453: Connection Completed on port: VPN3-4, error code:
0
[3900] 11-25 19:16:02:453: d:\nt\net\rras\ras\rasman\rasman\request.c: 6691:
port 5 async reqtype chg: prev=0, new=26
[3752] 11-25 19:16:02:625: Completed receive - First Frame on VPN3-4,
handle=0x15f0
[3852] 11-25 19:16:02:625: GetConnectInfo: port VPN3-4
[3852] 11-25 19:16:02:625: GetConnectInfo: size=52, rc=0xx0
[3852] 11-25 19:16:02:625: GetConnectInfo: port VPN3-4
[3852] 11-25 19:16:02:625: GetConnectInfo: size=52, rc=0xx0
[3852] 11-25 19:16:02:625: GetConnectInfo: port VPN3-4
[3852] 11-25 19:16:02:625: GetConnectInfo: size=52, rc=0xx0
[3852] 11-25 19:16:02:625: GetConnectInfo: port VPN3-4
[3852] 11-25 19:16:02:625: GetConnectInfo: size=52, rc=0xx0
[3852] 11-25 19:16:02:625: PppStarted...VPN3-4
[3852] 11-25 19:16:02:625: PortReceive: Invalid SendRcvBuffer passed
[3852] 11-25 19:16:03:250: Usage for the call on VPN3-4 is 0
[3852] 11-25 19:16:03:250: New InUse for IpOut=01

[3852] 11-25 19:16:03:250: d:\nt\net\rras\ras\rasman\rasman\request.c, 7061:
Activated Route , port = VPN3-4(0x1156c8), bundlehandle 0x3, prottype =
2048, dwErr = 0
[3852] 11-25 19:16:03:250: DwAddEndPointsIfRequired: nothing to add
[3900] 11-25 19:16:03:265: SendNotificationRequest
[3900] 11-25 19:16:03:265: DwSendNotification returned 0x0

This is my rasman.log when connecting is wrong and i don't know why. I get
error 800 in windows xp sp3 client


[3752] 11-25 19:18:14:765: WorkerThread: Disconnect event signaled on port:
VPN3-4
[3752] 11-25 19:18:14:765: OVEVT_DEV_STATECHANGE. pOverlapped = 0x111f30
[3752] 11-25 19:18:14:765: d:\nt\net\rras\ras\rasman\rasman\worker.c, 1995:
Disconnecting port 5, connection 0x0, reason 1
[3752] 11-25 19:18:14:765: Disconnecting Port 0xVPN3-4, reason 1
[3752] 11-25 19:18:14:765: DisconnectPort: Saving Bundle stats for port
VPN3-4
[3752] 11-25 19:18:14:765: 10. Throwing away handle 0xffffffff!
[3752] 11-25 19:18:14:765: d:\nt\net\rras\ras\rasman\rasman\util.c 1997:
Disconnected Port 5, reason 1. rc=0x0
[3752] 11-25 19:18:14:765: d:\nt\net\rras\ras\rasman\rasman\util.c, 2151:
DeActivated Route for VPN3-4(0x1156c8), bundlehandle 0x3, prottype = 2048
[3752] 11-25 19:18:14:765: d:\nt\net\rras\ras\rasman\rasman\util.c: 2218:
port 5 state chg: prev=2, new=3
[3752] 11-25 19:18:14:765: d:\nt\net\rras\ras\rasman\rasman\util.c: 2234:
port 5 state chg: prev=3, new=4
[3752] 11-25 19:18:14:765: 5. Notifying of disconnect on port 5
[3752] 11-25 19:18:14:765: d:\nt\net\rras\ras\rasman\rasman\util.c: 2345:
port 5 async reqtype chg: prev=26, new=0
[3752] 11-25 19:18:14:765: *****
DisconnectReason=1,pConn=0x0,cbports=0,signaled=0, hEvent=0xffffffff,fRedial=0
[3752] 11-25 19:18:14:765: DisconnectPort Complete
[3752] 11-25 19:18:14:765: d:\nt\net\rras\ras\rasman\rasman\worker.c: 2033:
port 5 state chg: prev=4, new=4
[3752] 11-25 19:18:14:765: d:\nt\net\rras\ras\rasman\rasman\worker.c: 2037:
port 5 async reqtype chg: prev=0, new=0
[3852] 11-25 19:18:14:765: DeallocateRouteRequestCommon: pBundle=0x542f088,
type=0x800
[3852] 11-25 19:18:14:765: DeAllocateRoute: PI_Type=0x800,
PI_AdapterName=\DEVICE\{B4CC58DC-AC8F-4328-ABD5-608CB5024755},
PI_Allocated=-1
[3852] 11-25 19:18:14:765: DeAlloc..: increasing the avail. count for IP
[3852] 11-25 19:18:14:765: NewInUse for IpOut = 0
[3852] 11-25 19:18:14:765: FreeBundle: freeing pBundle=0x542f088
[3852] 11-25 19:18:14:765: Ignoring removal request for 1
[3852] 11-25 19:18:14:765: Ignoring removal request for 2
[3852] 11-25 19:18:14:765: DwRemoveEndPointsifRequired: Nothing to remove
[3900] 11-25 19:18:16:765: SendNotificationRequest
[3900] 11-25 19:18:16:765: DwSendNotification returned 0x0
[3900] 11-25 19:18:16:765: DeviceListenRequest: Clearing Autoclose flag on
port VPN3-4
[3900] 11-25 19:18:16:765: d:\nt\net\rras\ras\rasman\rasman\util.c: 2552:
port 5 state chg: prev=4, new=1
[3900] 11-25 19:18:16:765: d:\nt\net\rras\ras\rasman\rasman\util.c: 2583:
port 5 async reqtype chg: prev=0, new=27
[3900] 11-25 19:18:16:765: Listen posted on port: VPN3-4, error code 600


Any one can tell me what happen ?