Bentley licensing information can easily be distributed and updated using Windows Group Policies.
Implementation is described in this video: Using Active Directory GPO To Configure Licensing For Users Centrally, and also discussed in this blog: Site Standards - Automate Licence Key Distribution.
Group Policy Templates can be downloaded via the following links:
ADMX:http://communities.bentley.com/products/licensing/m/licensing_gallery/260246.aspx
ADM:http://communities.bentley.com/products/licensing/m/licensing_gallery/270113/download.aspx
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