> Source: [sk112652](https://support.checkpoint.com/results/sk/sk112652)

# sk112652 - Mobile Access fails to authenticate the user via an SMS code

| Property | Value |
|----------|-------|
| Solution ID | sk112652 |
| Date Created | 2016-07-27 |
| Last Modified | 2017-04-17 |
| Technical Level | Advanced |
| Products | Security Gateway |
| Versions | R82.10, R82, R81.20 |

## Symptoms

- * Mobile Access fails to authenticate the user via an SMS code with: "Error running the SMS web client. Failed to send an SMS with a verification code."
* The user receives an SMS but cannot login.

## Cause

The time on the gateway is too far out of sync from the LDAP or SMS server.

## Solution

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

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