SignedOnUserLoginContext
{
      com.sun.security.auth.module.Krb5LoginModule required useTicketCache=true doNotPrompt=true;
};

ServicePrincipalLoginContext
{
      com.sun.security.auth.module.Krb5LoginModule required useKeyTab=true doNotPrompt=true principal="p4/qa-win-vm76.dev.local@DEV.LOCAL" useKeyTab=true doNotPrompt=true storeKey=true keyTab="c:/keytab2";
};