> Source: [sk179025](https://support.checkpoint.com/results/sk/sk179025)

# sk179025 - Remote Access with Dynamic ID (SMS) clients suddenly disconnected

| Property | Value |
|----------|-------|
| Solution ID | sk179025 |
| Date Created | 2022-11-13 |
| Last Modified | 2023-01-01 |
| Technical Level | Advanced |
| Products | Security Gateway |
| Versions | R82.10, R82, R81.20 |
| OS | Gaia |

## Symptoms

- * End users who use Endpoint/Capsule VPN clients are suddenly disconnected from resources behind the VPN Gateway.
* End users do not receive a Two Factor Authentication SMS from Dynamic ID.
* *ike.elg* debug logs show "`DynamicID request failed`"
* *vpnd.elg* logs show "`The Certificate is revoked`" error.

## Cause

The Mobile Access Gateway does not trust the certificate of the third-party web server that sends the One Time Password (OTP) through SMS.

## Solution

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

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