System.Management - SOA problem Adding DNS Zone to remote server

Hey everyone,

I am writing a .net class library for use here at work in C#. The class I am working on right now manages our local DNS Server through WMI. One method is supposed to add a new root level zone to the server. It works but it is only doing half the job - it doesn’t define the start of authority (SOA) for the newly created zone. When I view the new zone on the server through the DNS Manager it gives me a "Zone not loaded by DNS Server" error message. Here is my code for the method. I have been searching for a solution but now I've waited half the day looking through useless articles for an example or explanation - so any help would be much appreciated!!

-----------------------------------------------------------------------BEGIN CODE

using System;

using System.Management;

public void AddDomain(string domainName,string ipDestination)

{

//check if domain already exists

if(this.DomainExists(domainName))

{

throw new Exception("The domain you are trying to add already exists on this server!");

}

//generate zone

ManagementClass man=this.Manage("MicrosoftDNS_Zone");

ManagementBaseObject ret=null;

ManagementBaseObject obj=man.GetMethodParameters("CreateZone");

//obj["StartOfAuthority"]=this.Server;

obj["OwnerName"]=domainName;

obj["ZoneName"]=domainName;

obj["DataFileName"]=domainName + ".dns";

obj["ZoneType"]=1;

obj["AdminEmailName"]="support@coactivesys.com";

obj["IpAddr"]=new string[]{"10.1.1.188"};

//invoke method, capture resource record, dispose unneccesary vars

ret=man.InvokeMethod("CreateZone",obj,null);

this.Dispose(ref obj);

//append to insert soa

// ret["DnsServerName"]=this.Server;

// ret["ContainerName"]=domainName;

this.Dispose(ref ret);

this.Dispose(ref man);

}