When running 2 Cookie Providers Web Agents in an environment, one might want to know if it's possible for the Web Agent to check provider1.example.com and then provider2.example.com for active session.
Web Agent all versions
Multiple cookie providers cannot be configured in the same environment, however if the Web Agents are protecting different applications, you could evaluate if setting different "Security Zones" with their own cookie providers would match your needs.
(1) Configure Web Agent Single Sign-On Setting. There can only be one cookie provider per deployment.
https://techdocs.broadcom.com/us/en/symantec-security-software/identity-security/siteminder/12-8/configuring/web-agent-configuration/single-sign-on-cookie-domains-and-web-agents/configure-web-agent-single-sign-on-settings.html
(2) Security Zones for Single Sign-on
https://techdocs.broadcom.com/us/en/symantec-security-software/identity-security/siteminder/12-8/configuring/web-agent-configuration/security-zones-for-single-sign-on.html