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IIS 7 Tip # 6 You can reset the TCP connection when “Service Unavailable” happens

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Instead of returning the “Service Unavailable” message to the client you can terminate the TCP connection. This can be helpful in environments where you have a Load Balancer which ’understands’ a TCP reset instead of “Service Unavailable”. In IIS 7.0 you can set it via the IIS manager UI in the Advanced Properties of the Application Pool.

vijaysk-serviceunavailabe

This option is available in IIS 6.0 as well. But you need to set it using the adsutil.vbs script (or edit the metabase directly)

cscript adsutil.vbs set w3svc/apppools/loadbalancercapabilities 1

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