SharePoint STS Certificate CRL checking
Obtain the “SharePoint Root Authority” certificate as a physical (.cer) file a) Launch the SharePoint 2010 PowerShell window as Administrator b) $rootCert = (Get-SPCertificateAuthority).RootCertificate c) $rootCert.Export("Cert") | Set-Content C:\SharePointRootAuthority.cer -Encoding byte Note: The .cer file exported in this step can be used on other servers in the farm without having to run the Powershell commands again. 2. Import the “SharePoint Root Authority” certificate to the Trusted Root Certification store a) Start > Run > MMC > Enter b) File > Add/Remove Snap-in c) Certificates > Add > Computer account > Next > Local computer > Finish > OK d) Expand Certificates (Local Computer), expand Trusted Root Certification Authorities e) Right-click Certificates > All tasks > Import f) Next > Browse > navigate to and select C:\SharePointRootAuthority.cer > Open > Next > Next > Finish > OK http:/