Trick to Install Oracle Express Edition 11g on Windows 7 64 bit

I have worked with Oracle Express Edition for 32-bit environments long as it is easy to have the characteristics of a dataset Oracle Enterprise without the need to install it. However installation Oracle Express Edition (XE) by 64 bits is not always successful. You can find XE working on your first installation itself, if you know the trick. Oracle does not provide a separate Oracle 11g XE for 64-bit installation, but you can download the 32-bit version and install the 64-bit operating system. Follow these tips for a successful installation of Oracle XE.

1. Disable Windows Firewall / any other firewall in your system.
2. Unplug the network cable.
3. Run the installer and complete the setup.
4. Open command prompt, and execute hostname command to get the name of the system where you are installing. Assume the command produces “MySystem” as output.
5. Navigate to <drive>:\oraclexe\app\oracle\product\11.2.0\server\network\ADMIN folder. Makesure that the host name from Step 4 matches the entry in the tnsnames.ora file found under the folder. The tns entry should like the following:
XE =
  (DESCRIPTION =
    (ADDRESS = (PROTOCOL = TCP)(HOST = MySystem)(PORT = 1521))
    (CONNECT_DATA =
      (SERVER = DEDICATED)
      (SERVICE_NAME = XE)
    )
  )
Thats is it. WOLA !!! You have made it. Your installation of Oracle XE is successful. You can plug your network cable back on, and enable the firewall.

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