Administrator Guide

Challenge/Response Codes
Challenge/Response recovery can be used to authenticate through PBA to access Windows. Challenge/Response can be used in the
following scenarios:
• When a user does not remember the answers supplied at time of Recovery Questions enrollment.
• The Administrator has not enabled the Recovery Questions feature.
• A user is remote with no network connectivity and cannot receive an unlock command from the Security Server through SED Device
Controls
A user can get to the Challenge/Response screen by clicking the Trouble Signing In option or by entering his password incorrectly,
exceeding the password failure limit without the network cable plugged in. If Recovery Questions have been disabled, the Trouble Signing
In option opens the Challenge/Response screen directly.
Requirement
• Challenge/Response recovery is available only to domain computers that are remotely managed by your organization or enterprise.
Prerequisites
• Disconnect the computer from the network before answering either Recovery Questions or entering Challenge/Response codes.
• Before clicking Trouble Signing In, enter a valid user name and domain.
To use Challenge/Response recovery
1 The user clicks the Options link to display the menu.
2 The user clicks Trouble Signing In > Challenge/Response.
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Dell Data Protection Recovery Guide
Password Recovery