When you purchase GlobalSign OV SSL certificate, you will receive CA bundle from certificate authority. CA bundle contains root & intermediate certificate, you must add it during SSL installation process.
Copy and Paste all characters include the -----BEGIN CERTIFICATE-----
and -----END CERTIFICATE-----
lines from the below box into a text editor and save into your server.
Download
OV SSL (RSA) Intermediate Certificate
-----BEGIN CERTIFICATE-----
MIIETjCCAzagAwIBAgINAe5fIh38YjvUMzqFVzANBgkqhkiG9w0BAQsFADBMMSAw
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SPY=
-----END CERTIFICATE-----
R3 GlobalSign Root Certificate
-----BEGIN CERTIFICATE-----
MIIDXzCCAkegAwIBAgILBAAAAAABIVhTCKIwDQYJKoZIhvcNAQELBQAwTDEgMB4
GA1UECxMXR2xvYmFsU2lnbiBSb290IENBIC0gUjMxEzARBgNVBAoTCkdsb2JhbF
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-----END CERTIFICATE-----