SAS® 9.4 configurations using SAS Integrated Windows Authentication fail when using VAS/QUEST/ONE Identity releases 6.1.0 and 7.0.0 on Linux host.
One Identity Support has confirmed the issue, which has resolved and is included in the latest version of Safeguard Authentication Services 7.1. The latest version is now available for download at Safeguard Authentication Services 7.1 Core Install (TAR.GZ).
See also the official technical documentation: Safeguard Authentication Services - Technical Documentation.