I have a windows service that performs a lot of hits to database. Sometimes the database connection is down and I got exception "A network-related or instance-specific error". I got this behavior on two different networks and database servers. In both cases the windows service and the SQL Server are on two different machines.

Is it a normal behavior that SQL server drop connections when there is a lot of hits?

What are chances?

  • 1
    SQL Server is actually very good at maintaining high levels of traffic and throughput. Maybe it's your actual network that is getting saturated, not SQL Server. Feb 3, 2014 at 14:34
  • 1
    Does the client application use connection pooling? Have you inspected all the relevant PerfMon counters to see if there's anything wrong?
    – Jon Seigel
    Feb 3, 2014 at 18:21


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