If you plan to install Oracle Database XE onto a computer running Windows Firewall, which was first introduced in Windows XP Service Pack 2 and Windows Server 2003 Service Pack 1, and then connect to it from another computer, check that the firewall has not been configured to block communication from the following incoming ports. These ports are the default ports that Oracle Database XE users.
- 1521: Oracle Database Listener
- 2030: Oracle Services for Microsoft Transaction Server
- 8080: Oracle HTTP Transaction Server
To allow these ports follow the instructions defined here.
After that port will now be opened and ready to be used.
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