@misam @hawkflights We are still struggling to reproduce the issue. We have been testing for dozens of hours with a forced re-keying every 5 minutes, initiated by the client side, and no problems have arisen. Can you please do the same on your machines, where the problem seems to occur frequently, with the same profile you have been using so far, but with the addition of the following directive: reneg-sec 300 In this way it's the client that starts the re-keying request (every 300 seconds),