https://www.ptc.com/appserver/cs/view/solution.jsp?n=CS31918

Add syntax MAX <num_lic> <feature> <type> <name> into ptc.opt file

num_lic - Usage limit for this user or group

feature - Feature or package this limit applies to

type - One of USER, HOST, DISPLAY, INTERNET, PROJECT, GROUP, or HOST_GROUP


#Limit license usage to one per user

GROUPCASEINSENSITIVE

HOST_GROUP PARAMETRIC_USERS <list of host names or IP addresses>

MAX 1 PROE_FoundationAdv HOST_GROUP PARAMETRIC_USERS


Restart the license server Windows service: lmadmin_ptc