: Launching the Aspen Properties Database Manager or the HYSYS application as an administrator can sometimes clear persistent checkout errors related to permission blocks.
INCLUDE HYSYS_Process USER jsmith
Environment Variables: Check your Windows System Environment Variables. Ensure that LSERVRC or LSFORCEHOST variables are not pointing to an old, non-existent server. Aspen Hysys License Checkout Failed
Let’s fix each of these.