SiteMinder web agent configuration wizard doesn't recognize the IBM HTTP Server while running the configuration, it doesn't detect the IHS this is same problem with a server that is running IBM HTTP Server 9.0 as well.
Product Name=CA SiteMinder Web Agent
FullVersion=12.52.x
SiteMinder(r) Webagent : 12.52 SP01
IBM HTTP Server : 8.5x and 9.0.x
OS Platform : Windows 2016 and 2019
doc ref: https://techdocs.broadcom.com/us/en/symantec-security-software/identity-security/siteminder/12-52-01/troubleshooting/apache-based-agent-troubleshooting.html