NetWrix offers two licensing models: Perpetual and Subscription. In the Perpetual model you pay for the licenses once and can use them in perpetuity, new license purchase comes with a 1-year Software Maintenance contract, valid from the registration date, entitling the user to product updates and technical support for the first year. Support and maintenance for 2nd and consecutive years is optional. In the Subscription model the fee is annual, support and maintenance is included.
Licensed by: The number of enabled AD user accounts, with predetermined number of server licenses included.
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Deb Shinder @ WindowSecurity.com: With the entire suite, you are covered for changes to just about all of your most valuable network servers and resources... I can confidently give the Change Reporter Suite the Gold Award.