Exchange / Security – New statement on issuing certificate will stop allowing using .local domain on certificate

This notification apply mainly to Exchange services as these are the main services deployed within companies with internal and external access, meaning different URL’s – one for internal which is not Internet aware and one for remote access. But off course, any services which allow this type of access is impacted (such as SharePoint for example).

A new statement from the CA/Browser forum is introducing new standard on delivering certificate to secure service. This new statement is stating that no more invalid top domain level can be used within certificate as SAN or Subject name.

This means any local domain (such as .local, .priv….) will not be useable anymore starting November 1st, 2015.

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