> Source: [sk169218](https://support.checkpoint.com/results/sk/sk169218)

# sk169218 - Endpoint Policy Server is not able to synchronize with primary Endpoint Security Server

| Property | Value |
|----------|-------|
| Solution ID | sk169218 |
| Date Created | 2020-09-08 |
| Last Modified | 2020-09-24 |
| Technical Level | Advanced |
| Products | Endpoint Security |
| Versions | Cloud, E89.X, E88.X, R82.20, R82.10, R82, R81.20 |
| OS | Gaia |

## Symptoms

- * Endpoint Policy Server is not able to synchronize with the primary Endpoint Security Server.
* Synchronization error from `$UEPMDIR/logs/server_messages.log` of Endpoint Policy Server: `
  [DATE TIME] WARN Dispatcher-Thread-9 - Connection failure: com.ibm.jsse2.util.h: PKIX path building failed: java.security.cert.CertPathBuilderException: PKIXCertPathBuilderImpl could not build a valid CertPath.; internal cause is: `  
  `
  java.security.cert.CertPathValidatorException: The certificate issued by O=XXXX.XXXX.XXX.XX.XXXXXX is not trusted; internal cause is: `  
  `
  java.security.cert.CertPathValidatorException: Certificate chaining error, url: https://XXX.XXX.XXX.XXX:443/cp/connectionPoint/emonUpload (ServerConnector)`  
  `
  [DATE TIME] ERROR Dispatcher-Thread-9 - Error uploading EMON events: no active server found (EMONAccumulator)
  `
* Information about machines connected to policy servers is not displayed in SmartEndpoint.

## 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