/// <summary>
/// Method to validate if a user exists in the AD.
/// </summary>
/// <param name="UserName"></param>
/// <returns></returns>
public bool UserExists(string UserName)
{
DirectoryEntry de = ADConnect.GetDirectoryEntry();
DirectorySearcher deSearch = new DirectorySearcher();
deSearch.SearchRoot = de;
deSearch.Filter = "(&(objectClass=user) (cn=" + UserName + "))";
SearchResultCollection results = deSearch.FindAll();
if (results.Count == 0)
{
return(false);
}
else
{
return(true);
}
}
/// <summary>
/// Method that disables a user account in the AD and hides user's email from Exchange address lists.
/// </summary>
/// <param name="EmployeeID"></param>
public void DisableAccount(string EmployeeID)
{
DirectoryEntry de = ADConnect.GetDirectoryEntry();
DirectorySearcher ds = new DirectorySearcher(de);
ds.Filter = "(&(objectCategory=Person)(objectClass=user)(employeeID=" + EmployeeID + "))";
ds.SearchScope = SearchScope.Subtree;
SearchResult results = ds.FindOne();
if (results != null)
{
DirectoryEntry dey = ADConnect.GetDirectoryEntryAtPath(results.Path);
int val = (int)dey.Properties["userAccountControl"].Value;
dey.Properties["userAccountControl"].Value = val | 0x0002;
dey.Properties["msExchHideFromAddressLists"].Value = "TRUE";
dey.CommitChanges();
dey.Close();
}
de.Close();
}
