The cacerts trust store contains a set of commonly used root certificates that comes by default with Management and Security Server.
Keystore location: %ProgramFiles%/Micro Focus/MSS/jre/jre/lib/security/cacerts
Password location: System property javax.net.ssl.trustStorePassword
To change this password: Set a property in container.conf and change the password of the file using a utility such as keytool, portecle,or keystore explorer.
To view the certificates, go to Configure Settings – Trusted Certificates. Select Management and Security Server as the Certificate Store, and then open the list under Trusted Root Certificate Authorities.
The cacerts trust store is:
the trust store for outbound TLS
combined with trustedascj for Automated Sign-on for Mainframe and Micro Focus Advanced Authentication
not a .bcfks file