> Source: [sk111140](https://support.checkpoint.com/results/sk/sk111140)

# sk111140 - VPN functionality interrupted due to failure to retrieve CRL

| Property | Value |
|----------|-------|
| Solution ID | sk111140 |
| Date Created | 2016-04-24 |
| Last Modified | 2017-04-18 |
| Technical Level | Advanced |
| OS | Windows |

## Symptoms

- * VPN functionality interrupted due to failure to retrieve CRL.
* Main Mode cannot retrieve CRL.
* *VPND* Debugs contain the following errors:  
  CrlDB:Get: record not found  
  fwFetchCRL_cb: not found in FDB  
  fwFetchCRL_cb: Fetch failed  
  fwCRL_Hook_cb: Fetch Failed (error -986), and this was the last fetch. This fetch will be processed.  
  fwCert_ValRevoke_cb: Could not retrieve CRL

## Cause

**Environment:** Security Management is running on Windows, when user activates Windows firewall.

Windows firewall is blocking port 18264 (ICA traffic) connections.

## Solution

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

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