> Source: [sk182189](https://support.checkpoint.com/results/sk/sk182189)

# sk182189 - Users do not receive authentication email from DynamicID when connecting to Spark Firewall through Mobile Access or Remote Access VPN

| Property | Value |
|----------|-------|
| Solution ID | sk182189 |
| Date Created | 2024-04-12 |
| Last Modified | 2024-04-15 |
| Technical Level | General |
| Products | Spark Firewall (Locally Managed) |
| Versions | R81.10.X |
| Platform | 1500 |

## Symptoms

- * After upgrade of a Quantum Spark appliance to R81.10.10 , users do not receive an authentication email from DynamicID when trying to connect to a Quantum Spark Gateway with Mobile Access or Remote Access VPN.
* The Mobile Access Client or Remote Access Client shows :"*DynamicID sending failure,To retry, please type r and select Submit.*"

## Solution

[Contact Check Point Support](https://www.checkpoint.com/support-services/contact-support/) to get a Hotfix for this issue.

A Support Engineer will make sure the Hotfix is compatible with your environment before providing it.  
For faster resolution and verification, collect the [CPinfo](https://support.checkpoint.com/results/sk/sk92739) file from the SMB Gateway involved in the case.

**Hotfix installation instructions:**   
Refer to [sk168597 - How to install a Hotfix](https://support.checkpoint.com/results/sk/sk168597).

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