What happens when I exceed the tag limit?

  • A warning appears when you use the Configure application.
  • Also the Runtime will not start if you have too many Open Automation Software Tags loaded.
  • If you are using DirectOPC once you reach the tag limit no other DirectOPC Items will be added.
  • You can see how many tags you are using under Configure-System Status in the Totals section.

What will make my license stop working?

  • If you upgrade your software to the latest version without an active maintenance plan that covers that version.
  • If you change the CPU mother board. This includes cloning the image of the drive and restoring to a new PC.
  • With older OAS version 9 or less if you remove all of the hard disks from the system that were present when the software was licensed.
  • With older OAS version 9 or less if you remove all of the Ethernet cards from the system that were present when the software was licensed.