Hope this might be helpful:
To check if your Microsoft Dynamics Navision Classic license is still valid:
- Open your Navision Classic Client.
- Go to Tools > License Information.
- The window will display the expiration date and other details of your license.
- https://community.dynamics.com/blogs/post/?postid=85e8dd32-57d9-47d6-b2a3-9bbca2ed3f51
If you cannot access the client, you'll need to contact your Microsoft Dynamics Partner who manages your license.
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