> Source: [sk39345](https://support.checkpoint.com/results/sk/sk39345)

# sk39345 - Management High Availability restrictions 

| Property | Value |
|----------|-------|
| Solution ID | sk39345 |
| Date Created | 2009-04-14 |
| Last Modified | 2025-01-15 |
| Technical Level | General |
| Products | Security Management Server, Multi-Domain Security Management Server |
| Versions | R82.10, R82, R81.20, R82.10, R81.10 (EOS), R81 (EOS), R81 (EOS), R81.10 (EOS), R81.20, R82 |

## Solution

**General restrictions for Primary and Secondary Security Management servers:**

* The SmartEvent Software Blade can only be enabled on the Active server in Management High Availability environment.

* Must have identical Check Point versions and identical hotfixes installed.  

  To see the build number, run: *cpinfo -y FW1*

* Must have identical products installed (i.e, Management HA is ***not*** supported between a Standalone server and server that runs *only* Security Management)

**Notes**:

* It is supported to use different hardware models. For example, Smart-1 3150 for one Management server and Smart-1 5150 for another. Make sure that the appliances can handle the log rate in your environment (see the [appliance datasheet](https://www.checkpoint.com/downloads/products/smart-1-security-management-platform-datasheet.pdf)).
* Management High Availability between a Virtual Machine in a Public Cloud / Provate Cloud and a real physical server was tested and is supported.
* All management servers in Management High Availability must have a license for management High Availability. We recommend that all management servers in management High Availability have license that allow the same Software Blades, the same number of managed Security Gateways and the same number of Domain Management Servers.

**Additional restrictions for ClusterXL Full High Availability configuration:**

* Supported only between appliances with the identical Operating Systems (cluster requirement).  

* It is not supported to enable the SmartEvent blade on any cluster member in a Full HA cluster environment.

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