If youre using the older RSAT tools for Windows 7 Beta, dont use them on the RC. Use the new ones! All your favourites are there: 

RSAT Client is the collection of Windows Server management tools which enable IT professionals to manage their Windows Server infrastructure from their PCs running Windows 7 and includes the following Server Manager, Active Directory Certificate Services (AD CS) Tools,  Active Directory Domain Services (AD DS) Tools,  Active Directory Lightweight Directory Services (AD LDS) Tools, DHCP Server Tools, DNS Server Tools, File Services Tools, Hyper-V Tools, Terminal Services Tools, BitLocker Password Recovery Viewer, Failover Clustering Tools, Group Policy Management Tools,         Network Load Balancing Tools, SMTP Server Tools, Storage Explorer Tools, Storage Manager for SANs Tools, Windows System Resource Manager Tools.

The main download page is here http://www.microsoft.com/downloads/details.aspx?FamilyID=f6c62797-791c-48e3-b754-c7c0a09f32f3&displaylang=en

 

·         Microsoft Remote Server Administration Tools for Windows 7 RC (x86): http://download.microsoft.com/download/1/F/C/1FC27A82-15D9-4D93-B3BC-24204175F9DF/Windows6.1-KB958830-x86.msu

 

·         Microsoft Remote Server Administration Tools for Windows 7 RC (x64): http://download.microsoft.com/download/1/F/C/1FC27A82-15D9-4D93-B3BC-24204175F9DF/Windows6.1-KB958830-x64.msu