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Regenerate certificates using self-signed VMCA for vCenter server

1) ssh to vCenter Serever

2)find hostname ( FQDN/PNID ) using #hostname -f

root@localhost [ /usr/lib/vmware-vmca/bin ]# hostname -f

localhost

root@localhost [ /usr/lib/vmware-vmca/bin ]#


3)cd /usr/lib/vmware-vmca/bin

run:  ./certificate-manager

                 _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
                |                                                                     |
                |      *** Welcome to the vSphere 6.8 Certificate Manager  ***        |
                |                                                                     |
                |                   -- Select Operation --                            |
                |                                                                     |
                |      1. Replace Machine SSL certificate with Custom Certificate     |
                |                                                                     |
                |      2. Replace VMCA Root certificate with Custom Signing           |
                |         Certificate and replace all Certificates                    |
                |                                                                     |
                |      3. Replace Machine SSL certificate with VMCA Certificate       |
                |                                                                     |
                |      4. Regenerate a new VMCA Root Certificate and                  |
                |         replace all certificates                                    |
                |                                                                     |
                |      5. Replace Solution user certificates with                     |
                |         Custom Certificate                                          |
                |         NOTE: Solution user certs will be deprecated in a future    |
                |         release of vCenter. Refer to release notes for more details.|
                |                                                                     |
                |      6. Replace Solution user certificates with VMCA certificates   |
                |                                                                     |
                |      7. Revert last performed operation by re-publishing old        |
                |         certificates                                                |
                |                                                                     |
                |      8. Reset all Certificates                                      |
                |_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _|
Note : Use Ctrl-D to exit.
Option[1 to 8]: 

Enter details as :
Enter proper value for 'Country' [Default value : US] : (Note: Value for Country should be only 2 letters)
Enter proper value for 'Name' [Default value : CA] :
Enter proper value for 'Organization' [Default value : VMware] :
Enter proper value for 'OrgUnit' [Default value : VMware Engineering] :
Enter proper value for 'State' [Default value : California] :
Enter proper value for 'Locality' [Default value : Palo Alto] :
Enter proper value for 'IPAddress' [optional] :
Enter proper value for 'Email' [Default value : email@acme.com] :
Enter proper value for 'Hostname' [Enter valid Fully Qualified Domain Name(FQDN), For Example : example.domain.com] :
Enter proper value for VMCA 'Name'
: <<Entrer Hostname received in step 2)

Type "Y" to confirm

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