TNS Port not available in Oracle 11g Express Edition Installation Issue

Question

Windows 7 64 bit Machine.

I'm trying to Install Oracle Database 11g express edition. I've used it many times in the past with no problem. Recently my work machine was rebuilt, and while trying to install oracle, on the step that shows TNS port, MTS Port, and HTTP Port, it will not accept the default 1521 port, or any other port I try (I've tried quite a few). Message box says "Port 1521 is in use. Specify a different port number. This port is not in use that I can tell.

I don't see a log for the install either, I looked on line to see where it should be, but I don't have a log file for the installation (That I've been able to find)

netstat -na does not show any of port's i've tried to be in use. I also tried grepping for them.

netstat -na | grep 1521 (This did not return anything)

Wondering if anyone else has seen this, or has any ideas how to get around this or trouble shoot it? I've never had this issue before.

Thanks for any guidance.

Answer 1

I think it's a bug from the install wizard too. I've Windows 8 64 bits. "Back and Next" is the solution.

Answer 2

Had this same problem. Regardless of what port i put, it would say "port already in use'. Solution was to change to a port known to be open, then click the back button on the installer until you get back to the first installer screen, then continue clicking next. This will install on your specified http port.