DirectoryEntry Set Password to Never Expire

[Mr Cheese]

I am using the code shown below to programmatically add a new Windows user account.

I am having trouble with setting the User account to have the password set to Never Expire.

I have made a few attempts, but I get an exception error "The Parameter is not correct".

Hoping to get some assistance in making this work.

My Code That works:

DirectoryEntry AD = new DirectoryEntry("WinNT://"+Environment.MachineName+",computer");
DirectoryEntry NewUser = AD.Children.Add(Name,"UltimoSecurity");
NewUser.Invoke("SetPassword",new object[] { Pass });
NewUser.Invoke("Put",new object[] { "Description","Ultimo Dental Software Security Account" });

// Would like to add code here to set New User Account so password never expires

NewUser.CommitChanges();
DirectoryEntry grp;
grp=AD.Children.Find("Administrators","group");
if(grp!=null) { grp.Invoke("Add",new object[] { NewUser.Path.ToString() }); }


Code I have tried:

1)

NewUser.Invoke("Put",new object[] { "UserFlags", 0x10000 });

2)

int val = (int)NewUser.Properties["UserFlags"].Value;
NewUser.Properties["UserFlags"].Value=val|0x10000;

I get an exception error "The parameter is not correct".

Thanks for any comments that can help me with this.

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