Users disconnected with error 794 due to TOE

Users disconnected with error 794
Users get disconnected from the database
Usernum terminated abnormally. (794)
Dead users never get disconnected from the database

TOE (TCP Chimney Offload ) is enabled on a Broadcom network card.

Disable TOE.

The following information was adapted from the Microsoft knowledge base article 951037, "Information about the TCP Chimney Offload, Receive Side Scaling, and Network Direct Memory Access Features in Windows Server 2008" at http://support.microsoft.com/kb/951037.

How to configure TCP Chimney Offload in the operating system

To determine the current status of TCP Chimney Offload:

1. Use Administrative credentials to open a command prompt.
2. At the command prompt, type the following command, and then press ENTER:
   netsh int tcp show global

To disable TCP Chimney Offload, follow these steps:

1. Use Administrative credentials to open a command prompt.
2. At the command prompt, type the following command, and then press ENTER:
   netsh int tcp set global chimney=disabled

To configure TCP Chimney Offload on the network adapter

To enable or disable TCP Chimney Offload, follow these steps:

1. Open Device Manager.
2. Under Network Adapters, double-click the network adapter that you want.
3. On the Advanced tab, click Disabled in the box next to the TCP offload entry.

NOTE: This will disable and re-enable the network card.
Different manufacturers may use different terms to describe TCP Chimney Offload on the Advanced properties page of the network adapter.

Progress Articles:

000014430: How to change the TCP Chimney Offload setting on Windows  
 Does Progress recommend enabling TCP Chimney offload?