What is Intermediate CA for SSL

Hi Experts

I purchased a SSL from GoDaddy, and I have a server with a private company.

the company is asking me to provide the intermediate CA.  What is that and how do I get it? Is it a .ca file?

I think they tried some general intermediate CA's from Godaddy certificate store but they don't seems working.

What do I do?
APD TorontoAsked:
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Emmanuel AdebayoGlobal Windows Infrastructure Engineer - ConsultantCommented:
The intermediate certificate "chains" your SSL certificate to the root certificates.

Ask Godaddy to send you their intermediate certificate, they might have changed the one that was installed on your server.

Godaddy will provide this for you or you might have got it with the certificate they signed for you.
Dave HoweSoftware and Hardware EngineerCommented:
Intermediate certificate is a CA certificate not in the browser root store, but signed by another valid CA - you can have quite a chain of them between you and a valid root.

Easiest way to provide an intermediate CA cert is to simply drop the cert (just the cert, not the pfx) you have onto your windows machine as a .cer file then double-click it!

once your machine has opened the certificate, there should be a "certification path" tab that shows all the certificates between you and a valid root. here is an example:

Screenshot of Certification path
select the intermediate (or if there is more than one, select each in turn) and click the [View Certificate] button.

On the resulting Certificate details tab, there should be a "Copy to file" button. export the cert as a Base64 X509 (cer) - this is the intermediate the company wants (and yes, they could have done that too)

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APD TorontoAuthor Commented:
After I select the intermediate and clicked the "View Certificate" button, were is the "copy to file" button?
Dave HoweSoftware and Hardware EngineerCommented:
view certificate should give you a second popup with that intermediate certificate selected. on the "details" tab of that second popup should be the copy to file button :)
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