Windows 7, Oracle 11g Client Post-Installation Error

Hello all--
Background Info:
- I have installed Oracle 11g Client (32-bit) on my Windows 7 Professional (32-bit) workstation.
- The ORACLE_HOME directory (in my case C:\Oracle\Ora11g) is in the PATH environment variable.
- I have created TNS_ADMIN as an environment variable that points to a network folder that contains our tnsnames.ora and sqlnet.ora.
- I can tnsping our servers and sqlplus connects without issue.
- I am logged in as a regular network user (added into the local Administrators group on my machine).
The problem is that I cannot connect using a user or system DSN in the Microsoft ODBC Administrator, BUT, I can connect with a DSN when I am logged in with the local Administrator account. I have verified the DSNs are setup correctly. The error I get is the ORA-12154 error.
Here is the exact error as it appears:
Unable to connect
SQLState=08004
[Oracle][ODBC][Ora]ORA-12154: TNS:could not resolve the connect identifier specified
If I copy the tnsnames.ora file from the network to my machine and remove/redirect TNS_ADMIN to the %ORACLE_HOME%\NETWORK\ADMIN folder, it works with my user account.
Any thoughts?
Thanks!
Matt

Hi All--
I figured out what the problem was and I wanted to share what our solution was.
Basically, when you open the Microsoft ODBC Administrator in Windows 7, it has to run with elevated privileges and loads the Administrator profile. Our tnsnames.ora and sqlnet.ora files are on a network share that we map to a drive letter for all users across our organization. The Administrator profile does not have this drive mapping. So I created the TNS_ADMIN environment variable with the full UNC path and I was able to test DSNs successfully.
Regards,
Matt

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