@David-TP I have found the problem. I setup a lag group between my server and my tp-link switch and for some reason it broke everything. But it works now. Thanks for the tips tho.

@Heidi_Alp I have found the problem. I setup a lag group between my server and my tp-link switch and for some reason it broke everything. But it works now. Thanks for the tips tho.

When I run the Optimizer it says my network is congested and no devices that are WiFi connected can connect to the network. I tried all the ways online that I have seen. Is there any fix to this?