After the certificates are installed on the local computer, you need to add them to the sectionManage trust relationships
in SharePoint. You only need to do this on a single server, because the trust relationship operates across the entire farm. To add
certificates to the sectionManaging a trust relationship you need to do the following steps:
Open the SharePoint Admin Center, go to the tabSecurity and click the linkManaging trust relationships.
On the tapeTrust relationships select the commandCreate. A window opensEstablish a trust relationship.
In the sectionGeneral parameters specify a name for the certificate.
In the sectionThe root certificate for this trust relationship clickBrowse and select a certificate.
Click OK.
Repeat steps 1–5 for each of the certificates.
On the SharePoint front-end web server, run the IISReset command. To do this:
Adding Certificates to MS SharePoint
