Certificate has expired

[pixel]

I have exactly the same message on a UCS 4:

I have the certificates as described here:

How-to: Extend the end date of the UCS CA root certificate

How-to: Extend the end date of the UCS CA root certificate The root certificate of the UCS Certificate Authority (CA) is created during the installation of the UCS Master and by default valid for 5 years. The regular process is to renew the complete certificate chain, before the root certificate reaches its end date. In this case, all old certificates become invalid. Another possibility is to renew the root certificate, but keep the existing private key. In this case, the new root certificate …

renewed (On the master) and restarted the server. The message still appears when trying to log in on the master. What have I forgotten?