When using Remote Desktop to a Windows Server* 2008 based system after installing Symantec Endpoint Protection* your connection might drop after a short time with the following error displayed in a Windows* pop-up message:
Because of an error in data encryption, this session will end. Please try connecting to the remote computer again.
According to the Symantec* Support Knowledgebase, this issue is not caused by Symantec Endpoint Protection.
You can work around this issue by disabling Large Send Offload on the affected server.
Disable Large Send Offload (IPv4) and Large Send Offload (IPv6) on an Intel® Ethernet adapter in the advanced properties tab for the adapter in Windows Device Manager*.
Symantec Support Knowledgebase Article*
Advanced settings for Intel® 10/100 and Gigabit Adapters
Advanced driver settings for Intel® Ethernet 10 Gigabit Server Adapters
Advanced settings for Intel® PRO/10GbE Server Adapters
This applies to: