1. Start the Group Policy Microsoft Management Console (MMC) snap-in.

2. Select the Security Options object in the Console pane to display the security policies in the Details pane.
3. In the Details pane, double-click the Recovery Console: Allow Floppy Copy And Access To All Drives And Folders policy.
4. Click Enabled, and then click OK.
5. Quit the MMC. You can save the console in case you want to make changes.

And then you can set environment variables, of which the most interesting is AllowAllPaths = TRUE – but there are other useful ones.

[Continue reading Microsoft Knowledge Base article 310497]