sql connection lost when inteet connection lost

I have some amazing problem, When the inteet connection has been lost, all connection to sql server disconnect automatically (for example "sql server profiler" stop automatically and the trace operation need to restart manually) I found this answer for my question:

https://support.microsoft.com/en-us/kb/937006

But it does not work for me! I use "Microsoft SQL Server 2008 R2" and my server is local server. Can anyone help me please!

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