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Application Sharing failure (one way only)
I am using the Exchange version of Messenger 4.7 for
Windows XP to accomplish an application sharing session between a SoHo user in California and a conference room workstation in Massachusetts. Both computers are running Windows XP and the same version of Windows messenger. When an application sharing session is created from the SoHo laptop in California the session can be created successfully and the application can be shared with the workstation in Massachusetts. The problem occurs when the application sharing session is initiated on any one of our conference room PCs in Massachusetts. The application sharing session begins, the invitation is sent and replied to successfully but when the window is displayed to pick applications to share any available application is grayed out and nothing can be picked (so nothing can be shared). A little background, if important. We are running a Windows 2000 small business server with service pack 3. At our end we are connected to the Internet via a T1 connection and a Cisco 1720 firewall router. In California the laptop is connected via a Microsoft MN- 500 wireless router (the problem occurs whether or not the user is connected wirelessly or hardwired through the 5 port router included in this device. The California user is connected to a cable modem providing broadband bandwidth. This user creates a VPN (PPTP) tunnel into the Exchange server in order to utilize the Exchange messenger. The instant messaging portion of the connection works properly. I can IM her and she can reply. It is only the advanced features (application sharing, whiteboard and request assistant) that are giving us problems and only when they are initiated from our end. What we have been doing, is having her initiate the application sharing session and then she relinquishes control of the session. This works fine but it's getting a little bit tiresome to always have her initiate the session. There are many instances when it is more convenient for us to initiate the session but this is not possible at this time. Any ideas as to what could be causing this problem. |
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