This document details the basic steps used to troubleshoot Quest Authentication Services (QAS) also known as Vintela Authentication Services (VAS). Important Files Files Details /etc/opt/quest/vas/host.keytab Encrypted host key /etc/opt/quest/vas/group-override Maps accounts to groups /etc/opt/quest/vas/users.allow Lists groups that are granted access to the server /etc/opt/quest/vas/xjoin.keytab File used to join server to domain /etc/opt/quest/vas/vas.conf Primary VAS configuration…