Run Secret Server on multiple servers with Web Server Clustering
Web server clustering
Web server clustering provides both high availability and load balancing by allowing multiple web servers to run Secret Server password management software.
A clustered environment is key in disaster recovery scenarios as you can automatically failover to a separate web server with no downtime. Additionally, performance can be improved through load balancing by having multiple servers processing requests simultaneously.
Also, see how Database Mirroring can also improve uptime.