Same problem here with Viscosity 1.10.6b3 (OpenVPN 2.5.9 under the hood) on MacOS 13.2.1. Tried to change cert depth to 2, create new client connection, ... - nothing works - rolled back to 13.1.1_2 - Auth is via Password + TOTP + Client Cert. Site2Site OpenVPN Connection to 22.7.11_1 works without Problems.