Point-to-site connection failed Error 0x8007274c

Hi all,

I have problem with connection Point-to-site VPN to my azure virtual netwotk. Have tried on three different machines (both win 7 & win 8) whithou success:

******************************************************************
 Operating System      : Windows NT 6.1 Service Pack 1
 Dialer Version        : 7.2.7600.16385
 Connection Name       : raschmann-net
 All Users/Single User : Single User
 Start Date/Time       : 25. 3. 2014, 21:37:53
******************************************************************
 Module Name, Time, Log ID, Log Item Name, Other Info
 For Connection Type, 0=dial-up, 1=VPN, 2=VPN over dial-up
******************************************************************
[cmdial32] 21:37:53 03 Pre-Init Event CallingProcess = C:\Windows\Explorer.EXE

******************************************************************
 Operating System      : Windows NT 6.1 Service Pack 1
 Dialer Version        : 7.2.7600.16385
 Connection Name       : raschmann-net
 All Users/Single User : Single User
 Start Date/Time       : 25. 3. 2014, 21:38:14
******************************************************************
 Module Name, Time, Log ID, Log Item Name, Other Info
 For Connection Type, 0=dial-up, 1=VPN, 2=VPN over dial-up
******************************************************************
[cmdial32] 21:38:14 03 Pre-Init Event CallingProcess = C:\Windows\Explorer.EXE
[cmdial32] 21:38:43 04 Pre-Connect Event ConnectionType = 1
[cmdial32] 21:38:43 06 Pre-Tunnel Event UserName =  Domain =  DUNSetting = 39f23c2c-2b89-4938-8bd4-4cf16a9feefe Tunnel DeviceName =  TunnelAddress = azuregateway-39f23c2c-2b89-4938-8bd4-4cf16a9feefe-0.cloudapp.net
[cmdial32] 21:39:13 21 On-Error Event ErrorCode = -2147014836 ErrorSource = RAS
[cmdial32] 21:39:19 04 Pre-Connect Event ConnectionType = 1
[cmdial32] 21:39:19 06 Pre-Tunnel Event UserName = ClientRaschmannAzureNet Domain =  DUNSetting = 39f23c2c-2b89-4938-8bd4-4cf16a9feefe Tunnel DeviceName = WAN Miniport (SSTP) TunnelAddress = azuregateway-39f23c2c-2b89-4938-8bd4-4cf16a9feefe-0.cloudapp.net
[cmdial32] 21:39:44 21 On-Error Event ErrorCode = -2147014836 ErrorSource = RAS
[cmdial32] 21:40:49 04 Pre-Connect Event ConnectionType = 1
[cmdial32] 21:40:49 06 Pre-Tunnel Event UserName = ClientRaschmannAzureNet Domain =  DUNSetting = 39f23c2c-2b89-4938-8bd4-4cf16a9feefe Tunnel DeviceName = WAN Miniport (SSTP) TunnelAddress = azuregateway-39f23c2c-2b89-4938-8bd4-4cf16a9feefe-0.cloudapp.net
[cmdial32] 21:41:15 21 On-Error Event ErrorCode = -2147014836 ErrorSource = RAS
[cmdial32] 21:44:02 04 Pre-Connect Event ConnectionType = 1
[cmdial32] 21:44:02 06 Pre-Tunnel Event UserName = ClientRaschmannAzureNet Domain =  DUNSetting = 39f23c2c-2b89-4938-8bd4-4cf16a9feefe Tunnel DeviceName = WAN Miniport (SSTP) TunnelAddress = azuregateway-39f23c2c-2b89-4938-8bd4-4cf16a9feefe-0.cloudapp.net
[cmdial32] 21:45:15 21 On-Error Event ErrorCode = -2147014836 ErrorSource = RAS
[cmdial32] 21:45:18 04 Pre-Connect Event ConnectionType = 1
[cmdial32] 21:45:18 06 Pre-Tunnel Event UserName = jozef.raschmann@atos.net Domain =  DUNSetting = 39f23c2c-2b89-4938-8bd4-4cf16a9feefe Tunnel DeviceName = WAN Miniport (SSTP) TunnelAddress = azuregateway-39f23c2c-2b89-4938-8bd4-4cf16a9feefe-0.cloudapp.net
[cmdial32] 21:45:41 21 On-Error Event ErrorCode = -2147014836 ErrorSource = RAS
[cmdial32] 21:45:48 04 Pre-Connect Event ConnectionType = 1
[cmdial32] 21:45:48 06 Pre-Tunnel Event UserName = ClientRaschmannAzureNet Domain =  DUNSetting = 39f23c2c-2b89-4938-8bd4-4cf16a9feefe Tunnel DeviceName = WAN Miniport (SSTP) TunnelAddress = azuregateway-39f23c2c-2b89-4938-8bd4-4cf16a9feefe-0.cloudapp.net
[cmdial32] 21:46:11 21 On-Error Event ErrorCode = -2147014836 ErrorSource = RAS

appliation log:

A connection attempt failed because the connected party did not properly respond after a period of time, or established connection failed because connected host has failed to respond.
 (Error 0x8007274c)

Thank you for any help!

Regards,

Jozef