If a network administrator does not want to give Power User rights to their users that access Toad, then what are the absolute minimum permissions needed to run Toad off the client PC?
At a minimum, in order to install and run Toad, make a connection, and perform basic operations, user must be a Power User and have Read/Write privileges on the Oracle homes directories that are used for database connections.
If an administrator does not want to assign Power Users rights to the users, then they would need to give the user Read\Write permission to the Quest Software folder, the Oracle client folder, and the C:\Documents and Settings\<user_name>\Application Data\Quest Software (hidden folder created during install). The equivalent directory in Windows 7 is: C:\Users\<user_name>\Application Data\Quest Software
On Windows 7, also the directories:
Where Toad writes to:
1. For standard installation, the only folders Toad writes to are the ones it creates when it installs.
2. Note that the user directories under the "User files" folder are created when a user logs into Toad. Toad DOES NOT write to any other Windows folder.
3. Also, take into fact that Toad need read and write access (power user or higher) on the Oracle Homes directories where ever they may be installed (depends on Oracle Client version, user must see Oracle for further details).
4. Lastly, the registry keys Toad writes to when it installs are: LFpathTOAD & (default) in the Quest Software registry folder and Client & Server keys in the TOAD folder.