> Source: [sk184529](https://support.checkpoint.com/results/sk/sk184529)

# sk184529 - Harmony Endpoint Web Management - Error 503 After Upgrade from R81.20 to R82

| Property | Value |
|----------|-------|
| Solution ID | sk184529 |
| Date Created | 2026-01-06 |
| Last Modified | 2026-01-09 |
| Technical Level | Advanced |
| Products | Endpoint Security |
| Versions | R82, R81.20 |

## Symptoms

- * After upgrading the Harmony Endpoint Management Server from R81.20 to R82, users see:   
  `Sorry, we had a network issue during request [ERROR CODE: 503].`
* docker ps shows container version endpoint-web-management:3.7.21.

## Cause

Gaia Auto-Updater attempts to revert to an older container version (3.7.21) due to repository mismatch. This causes service instability and intermittent login failures.

## Solution

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

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