If we change the port from 443 to 444 on both Astaro and client config, we do get a connection, but this breaks down before we can do anyting:
at Jul 18 00:37:54 2009 Notified TAP-Win32 driver to set a DHCP IP/netmask of 10.242.2.6/255.255.255.252 on interface {797C994C-536E-44DE-A0A3-1924328DCE19} [DHCP-serv: 10.242.2.5, lease-time: 31536000]
Sat Jul 18 00:37:54 2009 Successful ARP Flush on interface [6] {797C994C-536E-44DE-A0A3-1924328DCE19}
Sat Jul 18 00:37:59 2009 TEST ROUTES: 3/3 succeeded len=3 ret=1 a=0 u/d=up
Sat Jul 18 00:37:59 2009 C:\WINDOWS\system32\route.exe ADD xx.xx.xx.xx MASK 255.255.255.255 10.242.2.5
Sat Jul 18 00:37:59 2009 Route addition via IPAPI succeeded [adaptive]
Sat Jul 18 00:37:59 2009 C:\WINDOWS\system32\route.exe ADD 192.168.29.0 MASK 255.255.255.0 10.242.2.5
Sat Jul 18 00:37:59 2009 Route addition via IPAPI succeeded [adaptive]
Sat Jul 18 00:37:59 2009 C:\WINDOWS\system32\route.exe ADD 10.242.2.1 MASK 255.255.255.255 10.242.2.5
Sat Jul 18 00:37:59 2009 Route addition via IPAPI succeeded [adaptive]
Sat Jul 18 00:37:59 2009 Initialization Sequence Completed
Sat Jul 18 00:38:40 2009 write TCPv4_CLIENT: Connection reset by peer (WSAECONNRESET) (code=10054)
Sat Jul 18 00:38:40 2009 Connection reset, restarting [-1]
Sat Jul 18 00:38:40 2009 TCP/UDP: Closing socket
Sat Jul 18 00:38:40 2009 SIGUSR1[soft,connection-reset] received, process restarting
Sat Jul 18 00:38:40 2009 Restart pause, 5 second(s)
Sat Jul 18 00:38:45 2009 WARNING: Make sure you understand the semantics of --tls-remote before using it (see the man page).
Sat Jul 18 00:38:45 2009 NOTE: OpenVPN 2.1 requires '--script-security 2' or higher to call user-defined scripts or executables
Sat Jul 18 00:38:45 2009 Re-using SSL/TLS context
Sat Jul 18 00:38:45 2009 LZO compression initialized
Sat Jul 18 00:38:45 2009 Control Channel MTU parms [ L:1556 D:140 EF:40 EB:0 ET:0 EL:0 ]
Sat Jul 18 00:38:45 2009 Data Channel MTU parms [ L:1556 D:1450 EF:56 EB:135 ET:0 EL:0 AF:3/1 ]
Sat Jul 18 00:38:45 2009 Local Options hash (VER=V4): '619088b2'
Sat Jul 18 00:38:45 2009 Expected Remote Options hash (VER=V4): 'a4f12474'
Sat Jul 18 00:38:45 2009 Attempting to establish TCP connection with 92.64.73.163:444
Sat Jul 18 00:39:06 2009 TCP: connect to xx.xx.xx.xx:444 failed, will try again in 5 seconds: Connection timed out (WSAETIMEDOUT)
Sat Jul 18 00:39:32 2009 TCP: connect to xx.xx.xx.xx:444 failed, will try again in 5 seconds: Connection timed out (WSAETIMEDOUT)