(&(objectClass=User)(givenname=*)(sn=*)(!userAccountControl:1.2.840.113556.1.4.803:=2)(!userAccountControl:1.2.840.113556.1.4.803:=64)(!userAccountControl:1.2.840.113556.1.4.803:=65536))






Excludes Disabled Accounts:

(&(objectCategory=person)(objectClass=User)(givenname=*)(sn=*)(EmployeeID=*)(!userAccountControl:1.2.840.113556.1.4.803:=2))




Only where user in OU=GDOT Users:

LDAP://OU=GDOT Users,DC=gdot,DC=ad,DC=local






private long LongFromLargeInteger(object largeInteger)
    {
        System.Type type = largeInteger.GetType();
        int highPart = (int)type.InvokeMember("HighPart",BindingFlags.GetProperty, null, largeInteger, null);
        int lowPart  = (int)type.InvokeMember("LowPart",BindingFlags.GetProperty, null, largeInteger, null);
           
        return (long)highPart << 32 | (uint)lowPart;
    }





	public Double GDOT_AccountExpiresDate
	    {
	        get
	        {
				LargeInteger liAcctPwdChange = this.accountExpires as LargeInteger;
				System.Type type = this.accountExpires.GetType();
        		int highPart = (int)type.InvokeMember("HighPart",BindingFlags.GetProperty, null, largeInteger, null);
        		int lowPart  = (int)type.InvokeMember("LowPart",BindingFlags.GetProperty, null, largeInteger, null);
           
		        return (long)highPart << 32 | (uint)lowPart;
	        }
	    }




	public DateTime GetDateTimeFromLargeInteger
	    {
	        get
	        {
			     //
			     // Convert large integer to int64 value
			     //
			     long int64Value = (long)((uint)this.accountExpires.LowPart | (((long)this.accountExpires.HighPart) << 32 ));  

			    //
			     // Return the DateTime in utc
			     //
			     return DateTime.FromFileTimeUtc(int64Value);	        }
	    }




	public Double GDOT_AccountExpiresDate
	    {
	        get
	        {
				Set objDate = this.accountExpires;
 				return lngDate = (objDate.HighPart * (2^32)) + objDate.LowPart;
	        }
	    }







	public DateTime GDOT_AccountExpiresDate
	    {
	        get
	        {
			     //
			     // Convert large integer to int64 value
			     //
			     long int64Value = (long)((uint)this.accountExpires.LowPart | (((long)this.accountExpires.HighPart) << 32 ));  

			    //
			     // Return the DateTime in utc
			     //
			     return DateTime.FromFileTimeUtc(int64Value);	        }
	    }