There are lot of scripts available in the internet to find orphan users across the database. This will be my version fo script to find out orphan users in all the databases excluding system databases.
Tag: audit
Retrieve Auditing Configuration Details
Script to retrieve auditing configuration details in sql server. Auditing feature is released from SQL Server 2008 onward so if you have utilized this feature then you can make use of this script to get quick information about audit configuration.