<Event xmlns="http://schemas.microsoft.com/win/2004/08/events/event">
<System>
<Provider Name="MSExchange Front End HTTP Proxy" />
<EventID Qualifiers="32768">3005</EventID>
<Level>3</Level>
<Task>1</Task>
<Keywords>0x80000000000000</Keywords>
<TimeCreated SystemTime="2017-07-12T06:00:30.000000000Z" />
<EventRecordID>3998681</EventRecordID>
<Channel>Application</Channel>
<Computer>server.domain,suffix</Computer>
<Security />
</System>
<EventData>
<Data>Oab</Data>
<Data>OABserver.domain,suffix</Data>
<Data>https://OABserver.domain,suffix/OAB</Data>
<Data>System.Net.WebException: Unable to connect to the remote server ---&gt; System.Net.Sockets.SocketException: A connection attempt failed because the connected party did not properly respond after a period of time, or established connection failed because connected host has failed to respond 192.168.144.14:443
at System.Net.Sockets.Socket.DoConnect(EndPoint endPointSnapshot, SocketAddress socketAddress)
at System.Net.ServicePoint.ConnectSocketInternal(Boolean connectFailure, Socket s4, Socket s6, Socket&amp; socket, IPAddress&amp; address, ConnectSocketState state, IAsyncResult asyncResult, Exception&amp; exception)
--- End of inner exception stack trace ---
at System.Net.HttpWebRequest.GetResponse()
at Microsoft.Exchange.HttpProxy.ProtocolPingStrategyBase.Ping(Uri url)</Data>
</EventData>
</Event>

<Event xmlns="http://schemas.microsoft.com/win/2004/08/events/event">
<System>
<Provider Name="MSExchangeApplicationLogic" />
<EventID Qualifiers="49156">3054</EventID>
<Level>2</Level>
<Task>3</Task>
<Keywords>0x80000000000000</Keywords>
<TimeCreated SystemTime="2017-08-31T09:56:31.000000000Z" />
<EventRecordID>4564150</EventRecordID>
<Channel>Application</Channel>
<Computer>servername.domain.suffix</Computer>
<Security />
</System>
<EventData>
<Data>ProcessOrgExtensions</Data>
<Data>emaildomain.suffix</Data>
</EventData>
</Event>