To add licenses using the Control Center
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Open the Control Center and click Preferences on the left navigation pane. 
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Expand the Licensing section. The list box displays all licenses currently installed in Active Directory. You can click to see the detail information for a license and copy the information, if needed. 
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Under Options, select Add a license. 
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Browse for one or more license files and click Open. The license appears in the list box. If the license is not valid, a message like the following displays: Failed to add license. The license file specified is not a valid license. The license number, the product, the reason for the failure (such as not vlaid or duplicate), and the path where the license file resides is shown. Note: UNIX hosts check for new licenses when the host is joined to the domain or every 24 hours by default. This can be changed by modifying the configuration-refresh-interval setting in vas.conf. 
To remove a license, select the license and click Remove license.
To restore a removed license, click Undo Remove.
