This usually indicates a version mismatch between the activator/license manager and the software. Ensure the License Manager is the same version (2016) or newer.
: Connects directly to the server (requires internet). solidworks 2016 activator windows 11 upd
If you must use SOLIDWORKS 2016 on a modern machine, these alternatives are more reliable than an "activator" feature: Compatibility Mode : Right-click the SOLIDWORKS executable, go to Properties > Compatibility This usually indicates a version mismatch between the