Yes, disabling a user (ThinPrint enabled in the Management Console) frees up the license – however, not till 28 days at least after it was last assigned to the user.
Within 28 days | After 28 days | |
unchecking ThinPrint enabled | user disabled (license blocked) | user disabled (license released) |
user can be re-enabled with Manual Activation Mode | yes | yes |
user can be re-enabled with Automatic Activation Mode | no | no |
See also: Editing user accounts and releasing ThinPrint licenses