What is the maximum number of policy servers in a cluster supported by SiteMinder.
Any Supported SSO version
There is no limitation on the number of Policy Servers that you can add to the cluster. SiteMinder will dynamically distribute the load between each Policy Server in the cluster.
SiteMinder cluster configuration information can be found at
https://techdocs.broadcom.com/us/en/symantec-security-software/identity-security/siteminder/12-8/administrating/clustering-policy-servers.html