As a first step to managing your vCenter certificate changes, you must reimport the self-signed vCenter certificate. Procedure Log in to the VMware Telco Cloud Automation Appliance Manager using the port tca-m/tca-cp:9443. Click Certificate > Trusted CA Certificate > IMPORT. Select the trusted crtificate type that you want to import and do one of the following: Browse and select the file to import. Type the URL of the certificate. Paste the certificate file content. Click Apply. Parent topic: Managing vCenter Certificate Changes