Security warning: Untrusted server certificate! Anyconnect (Mac)

[Nillok]

I have problems using Anyconnect (version 4.10.0.01075) on my Mac (macOS Monterey 12.0.1). When I try to connect following appears:

If clicking "connect Anyway" (which worked until yesterday), the following window appears:

[Nillok]

I still have the problem and have no Idea how to fix it.

[Mike.Cifelli]

Have you verified that the identity certificate (vpn.mtr.se) presented to clients is trusted? Is the root and intermediate certificate in the chain trusted?