> Source: [sk104782](https://support.checkpoint.com/results/sk/sk104782)

# sk104782 - Communication issues from Security Gateway to Security Management Server

| Property | Value |
|----------|-------|
| Solution ID | sk104782 |
| Date Created | 2015-03-18 |
| Last Modified | 2015-11-30 |
| Technical Level | Advanced |
| Products | Security Gateway, Security Management Server |
| Versions | R82.10, R82, R81.20, R82.10, R82, R81.20 |

## Symptoms

- * No logs from the Security Gateway are seen in SmartView Tracker / SmartLog.

* Sometimes, log "`Error-65000: Error: unknown host name <MANAGEMENT>`" in seen in SmartView Tracker / SmartLog.

* Authentication on the Security Gateway is possible with password, but not with certificate.

* Communication from Security Management Server to Security Gateway, such as policy installation, Smart Update, or SmartView Monitor is working correctly.

* No communication from Security Gateway to Security Management Server, such as policy fetch.

## Cause

Wrong network or routing settings on OS level of Security Gateway, and/or a wrong topology configuration of Security Gateway object in SmartDashboard. For example, after migration from StandAlone to Distributed environment.

## Solution

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

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