> Source: [sk181635](https://support.checkpoint.com/results/sk/sk181635)

# sk181635 - Harmony Endpoint Security Client switches to scheduling upgrade when performing a simple upgrade

| Property | Value |
|----------|-------|
| Solution ID | sk181635 |
| Date Created | 2023-11-08 |
| Last Modified | 2025-06-25 |
| Technical Level | Advanced |
| Products | Endpoint Security |
| Versions | E89.X, E88.X |

## Symptoms

- * Harmony Endpoint Security Client attempts to upgrade, then switches to scheduling the upgrade.
* In the upgrade logs C:\\ProgramData\\CheckPoint\\Endpoint Security\\EPS_Check Point Endpoint Total Securityx___msi_log Error found: Product: Check Point Endpoint Security -- Upgrade to a different Anti-Malware engine is not supported.

## Cause

A Department of Homeland Security (DHS) compliant Anti-Malware (E2 or Sophos engine) blade is currently installed, and the upgrade package contains a non-DHS compliant E1 Anti-Malware (E1 or Kaspersky engine) blade. You cannot switch from from E2 to E1.

## Solution

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