Preface

Change History

Table 1. Certificate Creation and Use Deployment Guide Change History

Date

Change

Reason

June 2020

Removed biased language from the "PKI Introduction" section.

Document correction

June 2020

Updated for X12.6

X12.6

February 2020

Updated the "Create a CSR using Expressway" section regarding multi-SAN certificate.

Document correction

December 2019

Updated prerequisites for deploying ACME certificate service.

Document correction

April 2019

Updates for maintenance release X12.5.2.

X12.5.2 release

January 2019

Updated for X12.5 for ACME certificate management. Other minor corrections.

X12.5 release

September 2018

Updated software version from X8.11 to X8.11.1, as version X8.11 is no longer available.

X8.11.1 release

July 2018

Updated for X8.11.

X8.11 release (withdrawn)

September 2017

Remove 999 character SAN limitation.

Fixed in X8.10

July 2017

Description of new warning messages for server certificate upload added. Changed UI menu path. Combined VCS and Expressway versions of document.

X8.10 release

December 2016

Clarified requirements for MRA certificates.

X8.9 release

June 2016

Updated for X8.8.

X8.8 release

November 2015

New template applied. Republished for X8.7.

July 2015

Updated for X8.6.

April 2015

Update for X8.5.2. Changes to CRL information, CSR generation page defaults, 999 character limit on SANs.

January 2015

Update for X8.5.1. Introduced an option on the user interface to select the Digest algorithm . The default is set to SHA-256 (hash algorithm).

December 2014

Re-issued for X8.5. Notes inserted over 2050 date management, and unsupported OIDs. Changed instructions in Appendix 2 "Creating a certificate request using OpenSSL".

July 2014

Re-issued for X8.2. Recommended options changed for server certificate in Unified Communications deployments.

June 2014

Republished for X8.2. Enhanced the server certificate requirements for Unified Communications deployments.

December 2013

Initial release of Expressway version.

(Compared to previous, VCS-only version) Updated for X8.1. Removed "Certificate generation using Microsoft OCS" appendix. Various improvements and clarifications to "Certificate generation using OpenSSL only" appendix.