> Source: [sk42498](https://support.checkpoint.com/results/sk/sk42498)

# sk42498 - $FWDIR/boot/modules/fwkern.conf file is empty after upgrading the Security Gateway to a newer Major Release

| Property | Value |
|----------|-------|
| Solution ID | sk42498 |
| Date Created | 2009-07-30 |
| Last Modified | 2017-09-27 |
| Technical Level | Advanced |
| Products | Security Gateway |
| Versions | R82.10, R82, R81.20 |
| OS | Gaia |

## Symptoms

- *$FWDIR/boot/modules/fwkern.conf* file is empty (or contains only default kernel parameters) after upgrading the Security Gateway to a newer Major Release.

## Cause

This behavior is by design. During the upgrade to a newer Major Release, the default files are being copied over the existing files.

## Solution

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

---

# Agent Instructions

This content is from the Check Point Support Center (https://support.checkpoint.com), the official knowledge base for Check Point cybersecurity products.

## Navigating This Knowledge Base

- **Complete index**: [llms.txt](https://support.checkpoint.com/llms.txt)
- **All SK articles**: [SecureKnowledge Sitemap](https://support.checkpoint.com/sitemaps/secureknowledge-sitemap-index.xml)
- **SK article URL pattern**: `https://support.checkpoint.com/results/sk/{skId}`
- **Markdown responses**: AI bot User-Agents automatically receive `text/markdown` content