# Migrations

##  Database only

1. Backup *Qommentary Database* using pgadmin tool
2. Restore *Qommentary Database* in the new Database server
3. Go to the *Qommentary Engine* folder
4. Open the appsettings.json
5. Update the "ConnectionStrings" > “Qommentary” entry with the new connectionstring
6. Restart Qommentary Engine application pool in IIS

*Example of the **appsetting.json** entry*

```json
"ConnectionStrings": {
    "Qommentary": "zKA40nbrJzFIzu1kXecgP45n1d1f9beA6MBvieX99UUmFMQxc2lpem8x6hV+TNDjgOa3+lvLJAie3Qnl+KbBxghI58LF4DgEHbZdqEpLIVoCIbOA9eFwpGUMXOzNbmTfQTD+LpHUEktCoIW6d7mQI4b2YJKcYy448rVGJk7K0fbbg8n"
}
```

{% hint style="warning" %}
You will have to use the [DB Connection Utility](/utilities/db-connection-manager.md) to encrypt your new connectionstring before updating this entry
{% endhint %}

## Admin Console and Engine only

1. Install Qommentary on the new environment using the Qommentary Setup Wizard. In the database step, connect to existing database and provide the details related to the existing Qommentary Database.
2. Re-install the Qlik Sense Client certificate in the new environment
3. Re-bind the SSL certificate to the Qommentary Manager/Engine sites (if applicable)
4. Check that the Qommentary Manager/Engine hostnames are whitelisted in the virtual proxy list in the Qlik Management Console (QMC)
5. Update all Qommentary extensions configurations via Qlik dev-hub if the new environment is using different endpoint URLs.

{% hint style="info" %}
For more information please check [Prerequisites](/getting-started/prerequisites.md) and [Installing](/getting-started/installation.md) sections
{% endhint %}

## Database, Admin Console and Engine

This scenario is a combination of the previous sections, so please begin with the "Database only" steps and then proceed with the "Admin console and Engine only" steps.


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