In this blog we will go over replacing the Corfu certificate in NSX. In this example I will be using the UI to generate the self signed certificate and then an API call to replace the certificate.
In my case the CCP Corfu certificate has already expired
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In the top menu bar I went to Generate -> Generate Self Signed Certificate

Next I had to grab the new certificate ID

The next step is to replace the old certificate with the new certificate via an API call. For this I used Postman but any other tool could potentially be used.
The URL for the post call would go against https://nsx-vip-01a.corp.local/api/v1/trust-management/certificates/cert_id?action=apply_certificate&service_type=CBM_CCP&node_id=node_id
The node ID can be found under Appliances -> View details on node, the value to the right for UUID ex

For authentication I used basic, per best practices we should be using a token.
For headers had to add Content-Type application\json ex

In the body I picket raw and added the following in
{ "cert_id": "5a6f1a51-95ec-45f3-8b7a-92ac2abd75cb",
"service_type": "CBM_CCP" }
The cert ID is from the certificate I generated earlier. ex

Once I clicked send I was presented back with a 200 OK

Going in the web browser I can also see that the new certificate is now used and the old one doesn’t have anything assigned to it ex

The final step I did was removing the old certificate by clicking on the 3 dots to left and picking delete from the menu

If the delete fails with a “Certificate cannot be deleted because it is used by 1 MP node” error, I covered the fix in this post.
