> Source: [sk92567](https://support.checkpoint.com/results/sk/sk92567)

# sk92567 - Configuring Two-Factor Authentication with DynamicID to send the OTP via email fails for Active Directory users

| Property | Value |
|----------|-------|
| Solution ID | sk92567 |
| Date Created | 2013-03-22 |
| Last Modified | 2025-11-24 |
| Technical Level | Advanced |
| Products | Security Gateway |
| Versions | R82.10, R82, R81.20, R81.10 (EOS), R81 (EOS) |

## Symptoms

- Mobile Access gateway does not send an email to the user containing the OTP

## Cause

By default, the Mobile Access gateway fetches the AD user's 'mobile' attribute, which most commonly contains a phone number, not an email address.

## Solution

This solution requires authentication. Please log in to view the full solution.

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