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SQL Query Tuner provides an intuitive interface for license key management. You can view the status of your license keys and add licenses to have additional instances that to which you can connect to. Each license allows you to connect to a predetermined number of SQL Server instances.

When you reach your license limit, SQL Query Tuner will not allow prevents you from connecting to connect to any new instances until you get a new license or your remove some licensed instances that are licensed. When your trial period expires, SQL Query Tuner will not allow prevents you from using any instances to be used.

To open the License Keys window, select Help > IDERA SQL Query Tuner Licenses from the Toolbar menu.

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