var dc = sh.directories[0].connect(); is not able to connect it is throwing error like

Directory.connect:24:Batch undefined:Exec

Connection could not be established. Check your directory configuration settings.

Your help needed to solve this issue

my code

var sh = security.getHandler("Adobe.PPKMS");

// Connect to the directory containing the user certificates:

var dir = sh.directories[0];

var dc = dir.connect();

// Search the directory for certificates:

dc.setOutputFields({oFields:["certificates"]});

var importantUsers = dc.search({oParams:{lastName:"Smith"}});

var otherUsers = dc.search({oParams:{lastName:"Jones"}});

// Allow important users full, unrestricted access:

var importantGroup = {

userEntities: importantUsers,

permissions: {allowAll: true}

};