Installing CatTools on a cluster is not currently supported. Do you want to install on a cluster for HA/DR? If so, you could run regular CatTools backups and replicate the \ProgramFiles(x86)\CatTools folder to ensure the backups are available should an issue arise with the primary CatTools server. Some information on backups available here.
SolarWinds solutions are rooted in our deep connection to our user base in the THWACK® online community. More than 150,000 members are here to solve problems, share technology and best practices, and directly contribute to our product development process. Learn more today by joining now.