Knowledgebase ProCall Enterprise Current: Client logon to UCServer not possible – not enough licenses available Client logon to UCServer not possible – not enough licenses available State of knowledge April 2023ProCall 8 Enterprise from 8.1 to <8.1.1.7387 ObservationIn the morning or from shortly after 00:02 clients can no longer log on to the UCServer.In ProCall client for Windows the message appears: "Not enough licenses available".In UCServer admin under the item "Online licenses" the number of users and lines is displayed correctly, but in the column "Used" there is 0.Solution/procedureIn UCServer admin, log out of UCConnect once and log in again.After that, it should be possible to log in the clients again. With ProCall version 8.1.1.7387, which has been available since 25/4/2023, this problem has been fixed.