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While poking around for a specific event I found myself discovering an error happening every second. At the moment I cannot find any more information about the error as it only gets displayed in the extended events and no information is recorded either in the error log or event viewer. I can't also seem to find any application side effects that could potentially help me troubleshooting.

Has anyone seen such thing ? Any ideas how to start troubleshooting this ?

@@Version / OS 2012 R2 Microsoft SQL Server 2012 (SP4) (KB4018073) - 11.0.7001.0 (X64) Aug 15 2017 10:23:29 Copyright (c) Microsoft Corporation Enterprise Edition: Core-based Licensing (64-bit) on Windows NT 6.3 (Build 9600: ) (Hypervisor)

Error reported enter image description here

message Network error code 0x2746 occurred while establishing a connection; the connection has been closed. This may have been caused by client or server login timeout expiration. Time spent during login: total 2 ms, enqueued 0 ms, network writes 0 ms, network reads 1 ms, establishing SSL 0 ms, network reads during SSL 0 ms, network writes during SSL 0 ms, secure calls during SSL 0 ms, enqueued during SSL 0 ms, negotiating SSPI 0 ms, network reads during SSPI 0 ms, network writes during SSPI 0 ms, secure calls during SSPI 0 ms, enqueued during SSPI 0 ms, validating login 0 ms, including user-defined login processing 0 ms. [CLIENT: ::1]

  • Network error code 0x2746 translates to dec: 10054 which is error An existing connection was forcibly closed by the remote host.. Network address ::1 is the IPv6 loopback address. So to me, from the error, it looks like something local on the server attempting to connect ad being hit by a firewall. – Sean Gallardy Mar 28 '18 at 1:27
  • @SeanGallardy-Microsoft thank you for your reply , much appreciated. Since no logging is done anywhere else apart from the extended event , is there any recommended way to troubleshoot this ? What would be the best way to find out what is actually causing this issue ? Thank you – MrKudz Mar 28 '18 at 5:53

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