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SSL certificate requirements for
Skype for Business

If your enterprise doesn’t already have one, or one designated for use by
, you must obtain and install a digital certificate.
Your enterprise can sign its own digital certificates, acting as its own certificate authority (CA), or you can submit a certificate request to a well-known, third-party CA. Although you can preinstall the root authority for your own CA on each user’s device, it makes sense to get an independent CA-validated certificate.
: In the following sections, references to SSL, CA-signed, and personal certificates refer to the digital certificate.