Regarding Web Agent 12.52 SP1 CR11 (64-bit) for Windows,
Web Agent Configuration Wizard does not detect Apache 2.4 (64-bit) web server even if the Apache registry entry resides.
Note: As the article 53707 explains, the web agent configuration wizard uses the Windows registry to locate the Apache servers root directory. See the Additional Information.
Release : 12.52 SP1 CR11 for Windows
Component : SITEMINDER -WEB AGENT FOR APACHE
In CR11, you need to register Apache as a service with the name "Apache2.4" in your machine at first. And then, Web Agent Configuration Wizard is detecting the Apache. No registry entry is needed now.
For example, run the command such as following:
C:\Apache24\bin> httpd.exe -k install -n "Apache2.4"