# Remote Access VPN users repeatedly lose connection to resources behind gateway, "IKE Negotiation with the gateway has failed" message in Remote Access VPN Client

**Product**: Remote Access VPN  
**Version**: R81.10 (EOS), R81.20  
**Last Modified**: 2025-04-28

## Symptoms
- Users of a Remote Access VPN client cannot access resources located behind a Remote Access VPN Gateway. The Remote Access VPN client shows: " _IKE Negotiation with the gateway has failed. Make sure the user is properly defined on the firewall._"
- The Remote Access VPN Gateway has installed R81.20 Jumbo Hotfix Accumulator Take 96 or higher / R81.10 Jumbo Hotfix Accumulator Take 173.
- In the CLI Expert Mode of the Remote Access VPN Gateway / Cluster Member, output of `hcp -r all HCP Reports` shows core dumps related to problems with `iked` and `vpnd`.
- In the CLI of the Remote Access VPN Gateway, / _var/log/messages_ shows errors that are similar to this:  
  `kernel:iked[-]: segfault at 19 ip - sp - error 4 in ike[-]`
- IKED debugs (or VPND debugs if IKED is disabled) show `__MsgObj_internal_error:_NULL_obj__ error can be seen on IKED debugs`

## Cause
There is a problem with the `iked` and `vpnd` processes on the Remote Access VPN Gateway due to aggressive DDOS protection.

## Solution
This problem was fixed. The fix is included in:
- [Jumbo Hotfix Accumulator for R81.20](https://sc1.checkpoint.com/documents/Jumbo_HFA/R81.20/Default.htm) starting from Take 99
- [Jumbo Hotfix Accumulator for R81.10](https://sc1.checkpoint.com/documents/Jumbo_HFA/R81.10/Default.htm) starting from Take 174

If you choose not to upgrade, Check Point can supply a **Hotfix**. [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 the Hotfix.

For faster resolution and verification, please collect [CPinfo files](http://supportcontent.checkpoint.com/solutions?id=sk92739) from the Security Management Server and Security Gateways involved in the case.

**Hotfix installation instructions:**
Refer to [sk168597 - How to install a Hotfix](https://supportcenter.checkpoint.com/supportcenter/portal?eventSubmit_doGoviewsolutiondetails=&solutionid=sk168597).

#### NOTE
This solution has been verified for the specific scenario, described by the combination of Product, Version and Symptoms. It may not work in other scenarios.

## Article Properties  
**Access Level**: General  
**Status**: Approved by TAC  
**Date Created**: 2025-02-24  
**Last Modified**: 2025-04-28