https://forums.autodesk.com/t5/autocad-forum/serial-number/m-p/5538204#M337599 No number is printed on the disk when you are on subscription.<BR /><BR />Get it on your subscription page: you said you had a subscription, which means you have subscription log in details:<BR /><A href="http://subscription.autodesk.com/sp/servlet/public/index?siteID=11564774&amp;id=11607975" target="_blank">http://subscription.autodesk.com/sp/servlet/public/index?siteID=11564774&amp;id=11607975</A><BR /><BR />Of course if your subscription has lapsed in the year you did not use or load or install then you probably have biger problems. Go get help here and be truthful about your subscription timeline <A href="http://forums.autodesk.com/t5/installation-licensing/bd-p/24" target="_blank">http://forums.autodesk.com/t5/installation-licensing/bd-p/24</A><BR /> Thu, 12 Mar 2015 14:38:18 GMT pendean 2015-03-12T14:38:18Z