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Ensure the "Status" says and "Startup Type" is set to Automatic . 3. Access the Sentinel Admin Control Center
Before diving into technical fixes, it is helpful to identify which licensing system you are using: a valid accumark license was not found for this product
The error usually triggers because the service has stopped, the dongle is unrecognized, or the license has expired. Step-by-Step Troubleshooting 1. Check the Physical Connection If you use a USB dongle:
By following these steps, you can usually resolve the "Valid AccuMark license not found" error and get back to your design work without significant downtime. Download the latest
Does your license support the specific version of AccuMark installed?
Sometimes a static discharge or loose port causes the connection to drop. Access the Sentinel Admin Control Center Before diving
If you are on a subscription model, your payment may have failed or the term ended.
Check that your Firewall isn't blocking port (the port used for license communication).
A floating license managed by a server.