2.2.2.2 Keepalive
The Keepalive message is transmitted by the protocol client in a period interval of inactivity and ignored by the server. This helps to detect a TCP session that was dropped because of inactivity.
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<s:Envelope xmlns:s="http://www.w3.org/2003/05/soap-envelope" xmlns:a="http://www.w3.org/2005/08/addressing"> <s:Header> <a:Action s:mustUnderstand="1">Microsoft.WindowsServerSolutions.Common.ProviderFramework.Keepalive</a:Action> </s:Header> <s:Body/> </s:Envelope>