Importing the certificate to FortiAuthenticator

This series of steps can be performed on the primary FortiAuthenticator.

Go to Certificate Management > Certificate Authorities > Trusted CAs > Import.
Enter a Certificate ID, upload a file, and click OK.
Results:

You can now import the LDAP certificate generated by G Suite.

Go to Certificate Management > End Entities > Local Services > Import.
Select Certificate and Private Key as the Type.
Enter the Certificate ID, choose the files for the previously saved certificate and private key files, and select OK.
Results:

This series of steps can be performed on the primary FortiAuthenticator.

To import the trusted CA certificate:

Go to Certificate Management > Certificate Authorities > Trusted CAs > Import.

Enter a Certificate ID, upload a file, and click OK.

Results:

You can now import the LDAP certificate generated by G Suite.

To import the client authentication certificate:

Go to Certificate Management > End Entities > Local Services > Import.

Select Certificate and Private Key as the Type.

Enter the Certificate ID, choose the files for the previously saved certificate and private key files, and select OK.

Results: