Okay here goes.

I have two forests. One forest is running 2000 in mixed mode and has an 5.5
Exchange server running within that forest. The other forest is running
functional mode 2003 at this time. I have a two way trust between the two
forests at this time and it is working fine. I am able to log onto both
domains with same account. I am trying to install Exchange 2003 into the
second 2003 forest and join to the existing Exchange 5.5 site. I keep getting
access is denied upon validating permissions after a enter the server name
into the 5.5 serevr box. I have granted permissions to the org,sitem, and
configurations containers already. Any and all assistance would be very much
appreciated.

Thanks in advance,Dana.