> Source: [sk184950](https://support.checkpoint.com/results/sk/sk184950)

# sk184950 - Jumbo Hotfix Accumulator installation on Security Gateways with MDPS enabled may fail 

| Property | Value |
|----------|-------|
| Solution ID | sk184950 |
| Date Created | 2026-05-12 |
| Last Modified | 2026-08-06 |
| Technical Level | Advanced |
| Products | Security Gateway |
| Versions | R82.10 |

## Symptoms

- * Jumbo Hotfix Accumulator installation on Security Gateways with enabled MDPS may fail with a verification error "*Installation is not allowed*".
* Installation of the Jumbo HFA my start but fails with "*Configuration of an internal infrastructure failed. Contact Check Point Technical Services for further assistance.*"
* The log file "*/opt/CPInstlog/install_CPUpdates_BUNDLE_R82_10_JUMBO_HF_MAIN.log\** " contain Python errors like "*redis.exceptions.ConnectionError: Error 111 connecting to localhost:6381. Connection refused.* " or "*ConnectionRefusedError: \[Errno 111\] Connection refused*".

## Cause

When MDPS is enabled, required internal processes may not be configured correctly, which prevents the installation from completing successfully.

## 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