When network license search fails or network licenses are unavailable, the first thing to try is restart the license manager service. This can be done via one of the methods described in this article.

Option 1: Restart within License Manager Installation Folder

Option 2: Restart from within Windows Services

Start Menu > right-click on Computer > Manage (OR Control Panel\System and Securities\Administrative Tools > Computer Management) > select Services > find Sentinel RMS License Manager > right-click Restart