Random TCP Resets from F5

Hi pcourtois​,

I am afraid AI won't take you far in this scenario...

The error message you posted looks like a generic .NET error message. The F5 by itself would not send such error message.

The BIG-IP sending a reset package is also not unusual, sometimes that's just how TCP works.
For example: if the TCP session is timed out on the F5 and client sends data on this timed-out session, the F5 would reply with a RST, ACK.

In which direction is the F5 sending the reset, to the client or to the server?
If the F5 sends a RST,ACK to the client and then, as a result, the client shows the above error message, you should adjust the tcp timeout settings in the client side TCP profile. 

Hope this helps,
Daniel