How to enroll Cisco VPN client with IOS CA

It is worth mentioning that Cisco IOS routers can serve as CA servers as well. The example configurations are easy to find on the (see link below). The only trick to know not stated in the documentation - when enrolling Cisco VPN client with IOS CA the syntax you put as url should look:
I attach below screenshot so you can see what I mean. Some references as well:
URL to use when enrolling with Cisco CA

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