RWW not working over dual IP network

Here is the scenario...

SBS 2011 on a 192.168.0.0 network where half the systems reside, we also have the other half across town on a 192.168.1.0 network. Communication between the two are fine, all systems are on the domain with Exchange; nslookup, pings, etc. all good.

Able to log into RWW console and check email, files, etc but when attempting to attach to your workstation the error comes up...

"Remote Desktop can't find the computer "workstation-name". This might mean that "workstation-name" does not belong to the specified network. Verify the computer name and domain that you trying to connect to"
The RWW points to a WAN IP behind a standard firewall, RWW will work for workstations in the same IP range as the server. There are two Cisco routers between the two networks and I do not know if the break down is there or if there is a setting within the SBS 2011 that I need to make to allow communication.

Thanks,

DecCompAsked:
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Rob WilliamsCommented:
One issue would be the Windows firewall. By default the desktop's firewalls only allow access from the local subnet. The PC's on the non-SBS network segment will need the firewall policy edited to allow the other subnet, or allow all.
You can do this on a per PC basis or use Group Policy.  The policies are under Windows SBS client- Windows 7 and Windows Vista polcy, as well as Windows SBS client- Windows XP Policy.
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