Password Reset Server supports setting up the database in a disaster recovery environment by using the mirroring capabilities in SQL Server 2005 and SQL Server 2008. This allows you to have a copy of your database on another server and automatically start using the backup server should your primary database server fail.
Here is a detailed guide to configuring database mirroring: http://www.thycotic.com/articles/secretserver/SQLServerMirroringAndSSL.pdf
Password Reset Server also supports AlwaysOn in Server 2012:
Article ID: 62, Created On: 10/20/2009, Modified: 3/27/2013