> Source: [sk108390](https://support.checkpoint.com/results/sk/sk108390)

# sk108390 - "Authentication failure. Re-enter Activation Key." error when trying to establish SIC with a new Security Gateway through an existing Security Gateway

| Property | Value |
|----------|-------|
| Solution ID | sk108390 |
| Date Created | 2015-10-27 |
| Last Modified | 2021-09-23 |
| Technical Level | Advanced |
| Products | Security Gateway, Security Management Server, Multi-Domain Security Management Server |
| Versions | R82.10, R82, R81.20, R82.10, R82, R81.20, R82.10, R82.20, R81.20, R82, R82.20 |

## Symptoms

- * "`Authentication failure. Re-enter Activation Key.`" error in SmartDashboard when trying to establish SIC with a new Security Gateway.

* Topology:  

  \[Security Management Server\] --- \[*existing* Security Gateway\] --- \[*new* Security Gateway\]

* SmartView Tracker shows that *existing* Security Gateway drops traffic with the service "`FW1_ICA_Push`" from the Security Management Server to the *new* Security Gateway.

* Ping between the Security Management Server and the *new* Security Gateway passes correctly.

## Cause

Application Control blade is enabled on the *existing* Security Gateway, and the "Unknown Traffic" application/category is used in the Application \& URL Filtering policy.

## Solution

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

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