> Source: [sk171416](https://support.checkpoint.com/results/sk/sk171416)

# sk171416 - "Failed to load Virtual Network Adapter" error message right after EPPatcher deployment

| Property | Value |
|----------|-------|
| Solution ID | sk171416 |
| Date Created | 2021-01-05 |
| Last Modified | 2023-08-28 |
| Technical Level | General |
| Products | Endpoint Security |
| Versions | Cloud, E89.X, E88.X |

## Symptoms

- "`Failed to load Virtual Network Adapter`" or "`Connectivity with the VPN service is lost`." message appears after the deployment of the Patch.

## Cause

An attempt to install the Endpoint VPN Client before applying the patch was made.

## Solution

In most cases, a reboot is required to solve the issue.  

If a reboot does not solve the issue, [contact Check Point Support](https://www.checkpoint.com/support-services/contact-support/)

---

# 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