Cisco Cisco Expressway
Problems with certificates
If a non-Lync application is used to create certificates to load onto Expressway for use with Lync (for
example when purchased from a certificate authority) it is vital that the Subject name and Subject Alternate
Name contain the same details as they would if the certificates were created by Lync.
example when purchased from a certificate authority) it is vital that the Subject name and Subject Alternate
Name contain the same details as they would if the certificates were created by Lync.
Specifically, if both Subject name and Subject Alternate Name are used, then the name entered in the
Subject name must also appear in the Subject Alternative Name list.
Subject name must also appear in the Subject Alternative Name list.
Microsoft Lync and Cisco Expressway Deployment Guide (X8.5)
Page 59 of 71
Appendix 2: Troubleshooting