I did quite a bit of online research prior to asking my own question, but none of the solutions I've found online really pertain to the issue we're experiencing. We have 2 Windows 7 Pro PCs in the office. They are accessed via RDP from within the same network/location. The systems that are accessing these 2 PCs are an XP Pro machine and a Mac. The clients stay connected for randomly lengths of time (no longer than 1 hour) before the session goes black and disconnects them randomly. When the disconnect occurs, it's not due to inactivity. The user has to wait several minutes before they are able to reconnect. On the Windows 7 PCs, Event Viewer gives: Event ID: 50 The RDP protocol component X.224 detected an error in the protocol stream and has disconnected the client. Event ID: 56 The Terminal Server security layer detected an error in the protocol stream and has disconnected the client. I've seen suggestions of checking registry keys and a lot of suggestions regarding Windows Server and Terminal Server, but they don't apply to our situation. Please let me know if more information is required. Thank you!

Hi, Do you enable the IEEE 802.1x authentication? Regarding the issue, I suggest updating the network adapter driver manually on Windows 7 PCs. Also update the router's driver and firmware. If the issue persists, you could disable the TCP Offload. To do this, a. Run the following commands on both the client and the server to disable NIC offloading. netsh int tcp set global chimney=disabled netsh int tcp set global rss=disabled b. Modify the following registry key to disable netDMA on the client and the server. HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Tcpip\Parameters\EnableTCPA Note: If this registry entry does not exist, right-click Parameters, point to New, click DWORD Value, type EnableTCPA, and then press ENTER. Value: 0 You can also refer to the following KB to troubleshoot the issue. Hope it helps. http://support.microsoft.com/kb/2477023 Best Regards, Niki Please remember to click "Mark as Answer" on the post that helps you, and to click "Unmark as Answer" if a marked post does not actually answer your question. This can be beneficial to other community members reading the thread.

Thank you Niki, I haven't had access to the PCs in question for the past few days. Hopefully, I will be able to try your suggestions today and will report back! Heather

Thanks so much! Just changing those things on the "server" computer did the trick! The users now stay connected without any issues! Heather