The following error is displayed due to certificates misconfiguration on StoreFront:
Cannot Complete Your Request

Complete the following steps on all the StoreFront servers to troubleshoot this issue:

1. Open the IIS console > Servername > Server Certificates 

• Make sure the Certificate Issued To name matches the StoreFront base URL. 
• Make sure the Expiration Date is not expired.
• View the Certificate Details tab of the certificate, verify it contains a private key. If using a SAN certificate, make sure the StoreFront Base URL is listed under the subject alternative names. Wildcard certificates are also supported.
• View the Certification Path tab of the certificate, confirm that all the Intermediate and Root certificates are properly installed to complete an SSL Handshake. 

2. Open the IIS console > Servername > Sites > Default Web Site > Bindings

• Make sure there is a binding for HTTPS over port 443.
• The SSL certificate matches the StoreFront Base URL. 
• The host name field is empty.

Problem Cause