> Source: [sk179975](https://support.checkpoint.com/results/sk/sk179975)

# sk179975 - VPN Connection with certificate authentication fails on Windows 11 after password change

| Property | Value |
|----------|-------|
| Solution ID | sk179975 |
| Date Created | 2022-09-15 |
| Last Modified | 2022-09-19 |
| Technical Level | Advanced |
| Products | Endpoint Security |
| Versions | Cloud, E89.X, E88.X |

## Symptoms

- * Endpoint Security Client fails to connect with the VPN Gateway and shows the "`Internal error; connection failed. More details may be available in the logs`" message.

* The `trac_capi.log` file shows: `fwCNGPubKey_imp::Sign_imp: Failed to acquire key handle with error code (0x80090016).`

  <br />

* Importing a new certificate solves the issue until the next password change.

## Solution

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

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