>If as you say, they are equal in duty, then you can realistically flip a coin. PDC should not be overloaded with other things. For example, your PDC should not be running SQL Server or Exchange if you can help it.
>
>PDCs must sunchronize security files/settings with all BDCs on the network. This can a significant portion of its processing power and to overload it with other things may cause problems.
>
>Pick the one that does the least and make it you PDC.

Thanks Larry, one of them will be doing somewhat less data-crunching than the other, so I'll make the less-crunching one the PDC.