> Source: [sk172912](https://support.checkpoint.com/results/sk/sk172912)

# sk172912 - Number of visible CPU cores in Spark Firewall goes from 4 to 3 after license deployment

| Property | Value |
|----------|-------|
| Solution ID | sk172912 |
| Date Created | 2021-04-27 |
| Last Modified | 2021-05-02 |
| Technical Level | Advanced |
| Products | Spark Firewall (Locally Managed) |
| Versions | R82.00.X, R81.10.X |
| Platform | 400, 1500 |

## Symptoms

- In 1530 and 1570 appliances, the gateway shows 4 cores when using a trial license. After deploying the license from the User Center, the number of visible cores is 3.

## Cause

After license activation, the 1530 and 1570 appliances lock one core.  

This also applies to other Gaia Embedded devices.

## Solution

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

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