Missing properties tabs....

I have a Win2K domain with (2)sites, each with a DC. DC1 was the first, DC2 added 2nd. From DC2, if I go to AD users and Computers, and look at the properties of any of the listed users or computers, I have tabs for "security" and "objects" that I do not have accessing the same thing from DC1. I am logged in to both servers as the administrator, although I have renamed the administrator account, and that is causing other issues I am trying to work out.(with GP...even though I find no reference to a user called 'administrator",after a GP refresh it keeps showing up as an effective permission, and causes errors in the application of the GP..I have posted this question seperately)
Any ideas would be appreciated...