License Expiration
Upon expiration of the ZCS Network Edition License, the following functions will no longer be available:
If you do not plan on renewing your license, you can again regain the ability to create/delete accounts by "upgrading" to ZCS FOSS. You should choose the same version of FOSS as you are currently running on Network Edition for this transition, after which you can upgrade to the latest version of ZCS FOSS.