Oracle Database XE - apex on Windows 7 - Problem with Connection from another Windows 7 Computer

Hello,
I started with Oracle Database XE 11g, with apex, did the upgrade to Apex 4.2.6 and started in developing a small Application.
I wanted to Connect to my Computer A (with Database runing on it) from another Windows 7 Computer B.
So I put in in Firefox: //A:8080/apex but I only received a timeout.
Of course on both Computers there is a windows-Firewall running, so I stopped on both Systems the Firewall, but its the same still.
In the windows explorer running on Computer B , I can see the data of Computer A and both Computers are in the same home-net-group. (sorry for my poor english).
Is there anyone who cann tell me how to get the Connection running ?
Maybe I didn't see the info about this in the manuals, if it is there, please give me a hint.
many thanks
Wilhelm Kästner Salzburg

Hi,
Check if this helps
https://docs.oracle.com/cd/E17781_01/install.112/e18803/toc.htm#XEINW127
Regards,
Jari

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