SQL Diagnostic Manager for SQL Server Standard v12.x - 1 Instance Perpetual License with 1 Year Maintenance

After your order has been processed, you will receive an email with your License Key and instructions on how to download your software, usually delivered within 1 business day.

Licensed per instance. Perpetual License. Includes 1 Year Maintenance providing access to email support and product updates for 12 months from date of purchase.
Maintenance may be renewed annually and will be calculated based upon 20% of the then current list price for the product license at the time of renewal.