| Event Id | 13 |
| Source | SNA Server |
| Description | Message Sequence Error (SENSE = 400A ... |
| Event Information | According to Microsoft : CAUSEThe host application was incorrectly sending an RQN (Request No Response) message to the client emulator when only RQD (Request Definite Response) and RQE (Request Exception Response) protocol was negotiated on the BIND command for the 3270 session. This was causing SNA Server to detect an SNA protocol violation, reporting a 400A sense code to the TN3270 Service. However, the subsequent host UNBIND indication was not passed to the TN3270 client emulator. RESOLUTION SNA Server 3.0 To resolve this problem, obtain the latest service pack for SNA Server version 3.0. |
| Reference Links | Strict "No Response" Protocol Check Causes TN3270 Session Hang |
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