Solution for saving Oracle Net manager error in Windows 7

Problem:

In Windows 7, an error occurred while saving the Oracle Net Manager configuration.

Problem:

1. error message: Error writing entry to local tnsnames. ora File

2. Click "details ".

Problem Analysis:

This is because Windows 7 has high security and some files cannot be modified by default.

Solution:

Run net manager as an administrator

Procedure:

1. From all the programs in the Start Menu, find "cmdel-configuration and porting tool-net manager" and find net manager;

2. Right-click and select "Run as administrator"

3. reconfigure "service name" and save it!

Similarly, if PL/SQL cannot be connected, you can use this solution:

Therefore, the development in Windows 7 environment should pay attention to the permission and firewall obstacles.