Thanks for your answer. Here is my OpenVpn Client Log:
Sat Aug 22 22:21:01 2015 OpenVPN 2.3.8 x86_64-w64-mingw32 [SSL (OpenSSL)] [LZO] [PKCS11] [IPv6] built on Aug 4 2015
Sat Aug 22 22:21:01 2015 library versions: OpenSSL 1.0.1p 9 Jul 2015, LZO 2.08
Enter Management Password:
Sat Aug 22 22:21:01 2015 MANAGEMENT: TCP Socket listening on [AF_INET]127.0.0.1:25340
Sat Aug 22 22:21:01 2015 Need hold release from management interface, waiting...
Sat Aug 22 22:21:01 2015 MANAGEMENT: Client connected from [AF_INET]127.0.0.1:25340
Sat Aug 22 22:21:02 2015 MANAGEMENT: CMD 'state on'
Sat Aug 22 22:21:02 2015 MANAGEMENT: CMD 'log all on'
Sat Aug 22 22:21:02 2015 MANAGEMENT: CMD 'hold off'
Sat Aug 22 22:21:02 2015 MANAGEMENT: CMD 'hold release'
Sat Aug 22 22:21:02 2015 Socket Buffers: R=[65536->65536] S=[65536->65536]
Sat Aug 22 22:21:02 2015 MANAGEMENT: >STATE:1440274862,RESOLVE,,,
Sat Aug 22 22:21:02 2015 UDPv4 link local (bound): [undef]
Sat Aug 22 22:21:02 2015 UDPv4 link remote: [AF_INET]XXX.XXX.XXX.XXX:1194
Sat Aug 22 22:21:02 2015 MANAGEMENT: >STATE:1440274862,WAIT,,,
Sat Aug 22 22:21:02 2015 MANAGEMENT: >STATE:1440274862,AUTH,,,
Sat Aug 22 22:21:02 2015 TLS: Initial packet from [AF_INET]XXX.XXX.XXX.XXX:1194, sid=376925ad d3c6c8c4
Sat Aug 22 22:21:04 2015 VERIFY OK: depth=1, C=US, ST=CA, L=SanFrancisco, O=Fort-Funston, OU=MyOrganizationalUnit, CN=Fort-Funston CA, name=EasyRSA, emailAddress=me@myhost.mydomain
Sat Aug 22 22:21:04 2015 Validating certificate key usage
Sat Aug 22 22:21:04 2015 ++ Certificate has key usage 00a0, expects 00a0
Sat Aug 22 22:21:04 2015 VERIFY KU OK
Sat Aug 22 22:21:04 2015 Validating certificate extended key usage
Sat Aug 22 22:21:04 2015 ++ Certificate has EKU (str) TLS Web Server Authentication, expects TLS Web Server Authentication
Sat Aug 22 22:21:04 2015 VERIFY EKU OK
Sat Aug 22 22:21:04 2015 VERIFY OK: depth=0, C=US, ST=CA, L=SanFrancisco, O=Fort-Funston, OU=MyOrganizationalUnit, CN=VPN-SRV, name=EasyRSA, emailAddress=me@myhost.mydomain
Sat Aug 22 22:21:05 2015 Data Channel Encrypt: Cipher 'BF-CBC' initialized with 128 bit key
Sat Aug 22 22:21:05 2015 Data Channel Encrypt: Using 160 bit message hash 'SHA1' for HMAC authentication
Sat Aug 22 22:21:05 2015 Data Channel Decrypt: Cipher 'BF-CBC' initialized with 128 bit key
Sat Aug 22 22:21:05 2015 Data Channel Decrypt: Using 160 bit message hash 'SHA1' for HMAC authentication
Sat Aug 22 22:21:05 2015 Control Channel: TLSv1, cipher TLSv1/SSLv3 DHE-RSA-AES256-SHA, 2048 bit RSA
Sat Aug 22 22:21:05 2015 [VPN-SRV] Peer Connection Initiated with [AF_INET]XXX.XXX.XXX.XXX:1194
Sat Aug 22 22:21:07 2015 MANAGEMENT: >STATE:1440274867,GET_CONFIG,,,
Sat Aug 22 22:21:08 2015 SENT CONTROL [VPN-SRV]: 'PUSH_REQUEST' (status=1)
Sat Aug 22 22:21:08 2015 PUSH: Received control message: 'PUSH_REPLY,route 192.168.20.0 255.255.255.0,dhcp-option DNS 192.168.20.254,route 10.8.0.1,topology net30,ifconfig 10.8.0.6 10.8.0.5'
Sat Aug 22 22:21:08 2015 OPTIONS IMPORT: --ifconfig/up options modified
Sat Aug 22 22:21:08 2015 OPTIONS IMPORT: route options modified
Sat Aug 22 22:21:08 2015 OPTIONS IMPORT: --ip-win32 and/or --dhcp-option options modified
Sat Aug 22 22:21:08 2015 do_ifconfig, tt->ipv6=0, tt->did_ifconfig_ipv6_setup=0
Sat Aug 22 22:21:08 2015 MANAGEMENT: >STATE:1440274868,ASSIGN_IP,,10.8.0.6,
Sat Aug 22 22:21:08 2015 open_tun, tt->ipv6=0
Sat Aug 22 22:21:08 2015 TAP-WIN32 device [Ethernet 3] opened: \\.\Global\{BB37DD1E-0F4F-46BC-9A41-53A7B236079E}.tap
Sat Aug 22 22:21:08 2015 TAP-Windows Driver Version 9.21
Sat Aug 22 22:21:08 2015 Notified TAP-Windows driver to set a DHCP IP/netmask of 10.8.0.6/255.255.255.252 on interface {BB37DD1E-0F4F-46BC-9A41-53A7B236079E} [DHCP-serv: 10.8.0.5, lease-time: 31536000]
Sat Aug 22 22:21:08 2015 Successful ARP Flush on interface [82] {BB37DD1E-0F4F-46BC-9A41-53A7B236079E}
Sat Aug 22 22:21:13 2015 TEST ROUTES: 2/2 succeeded len=2 ret=1 a=0 u/d=up
Sat Aug 22 22:21:13 2015 MANAGEMENT: >STATE:1440274873,ADD_ROUTES,,,
Sat Aug 22 22:21:13 2015 C:\Windows\system32\route.exe ADD 192.168.20.0 MASK 255.255.255.0 10.8.0.5
Sat Aug 22 22:21:13 2015 ROUTE: CreateIpForwardEntry succeeded with dwForwardMetric1=20 and dwForwardType=4
Sat Aug 22 22:21:13 2015 Route addition via IPAPI succeeded [adaptive]
Sat Aug 22 22:21:13 2015 C:\Windows\system32\route.exe ADD 10.8.0.1 MASK 255.255.255.255 10.8.0.5
Sat Aug 22 22:21:13 2015 ROUTE: CreateIpForwardEntry succeeded with dwForwardMetric1=20 and dwForwardType=4
Sat Aug 22 22:21:13 2015 Route addition via IPAPI succeeded [adaptive]
Sat Aug 22 22:21:13 2015 Initialization Sequence Completed
Sat Aug 22 22:21:13 2015 MANAGEMENT: >STATE:1440274873,CONNECTED,SUCCESS,10.8.0.6,XXX.XXX.XXX.XXX
For me everything seems working correct here...