@HW25 Hy, For your information, if someone has the same problem. The stacking ports must be connected with 20 Gbits modules, not with 10 Gbits as stated in the instructions.

@Clive_A Hello, The only difference is that my Omada Controller is installed in a virtual environment in vCenter. Could that be the problem?

Thanks for the info. I've already found this guide and tried these steps. The same thing happens in standalone mode and with the controller. The same problem occurs with both methods.

Hello, I am trying to stack two SX6632YF switches in Omada Controller (version 5.15.24.18). Both switches are successfully adopted and connected in the controller. When I create a new stack under...