To rule out any network/firewall causes, verify if you can to connect to the OMS host on port 7799 from the Windows machine in question.
For example, if you have telnet on the machine, you can try the following:
$ telnet 192.168.1.17 7799
You should see something like:
Trying ... 192.168.1.17 ..
Connected to <hostname> (192.168.1.17).
Escape character is '^]'.
You can also check if you are able to connect to the console on URL https://192.168.1.17:7799/em from the Windows machine.