When opening PAM client, usually after a new install, you may get an unsigned jar file error similar to the one below:
com.sun.deploy.net.JARSigningException: Found unsigned entry in resource: http://RESCHVS0033.Res.Newmont.com:8080/c2orepository/.c2oservicesresources/li b/snmpservice.jar
To sign a jar file, stop the PAM service and browse to the PAM install directory and find the following file:
You can run this in a command line to see the output. Once successfuly run, start the PAM service and check if you can now open the PAM Client.