using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.DirectoryServices;
using System.Collections;

namespace ResetIISApplicationIdentity
{
    class Program
    {
        static void Main(string[] args)
        {
            string[] strusers = System.IO.File.ReadAllLines("userid.txt", System.Text.Encoding.UTF8);
            int sid = 0;
            foreach (string struser in strusers)
            {
                string[] arruser = struser.Split(‘|‘);
                string name = arruser[0];
                string pwd = arruser[1];

                DirectoryEntry appPool = new DirectoryEntry("IIS://localhost/W3SVC/AppPools");
                try
                {
                    foreach (DirectoryEntry getdir in appPool.Children)
                    {
                        if (getdir.Name != "OfficeServerApplicationPool")
                        {
                            getdir.Properties["WAMUserName"][0] = name;
                            getdir.Properties["WAMUserPass"][0] = pwd;
                            //getdir.Properties["AppPoolIdentityType"][0] = "3";  //"3"应用程序池作为特定用户帐户来运行,"0"应用程序池作为 LocalSystem 来运行,"1"应用程序池作为 LocalService 来运行,"2"应用程序池作为 NetworkService 来运行。
                            getdir.CommitChanges();                           
                            Console.WriteLine(getdir.Name + "\t" + getdir.Properties["WAMUserName"][0] + "\t" + getdir.Properties["WAMUserPass"][0]);
                        }
                    }
                }
                catch (Exception ex)
                {
                    Console.WriteLine(ex.Message);
                    return;
                }
                Console.ReadKey();
            }
        }
    }
}

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修改本机iis中所有application pool的identity（OfficeServerApplicationPool除外） c#