关于EWS请求报错的问题！

[yuyingzi98]

EWS请求获取到的数据：
<?xml version="1.0" encoding="UTF-8"?>
<s:Envelope xmlns:s="http://schemas.xmlsoap.org/soap/envelope/">
<s:Body>
<s:Fault>
<faultcode xmlns:a="http://schemas.microsoft.com/exchange/services/2006/types">a:ErrorServerBusy</faultcode>
<faultstring xml:lang="en-US">The server cannot service this request right now. Try again later.</faultstring>
<detail>
<e:ResponseCode xmlns:e="http://schemas.microsoft.com/exchange/services/2006/errors">ErrorServerBusy</e:ResponseCode>
<e:Message xmlns:e="http://schemas.microsoft.com/exchange/services/2006/errors">The server cannot service this request right now. Try again later.</e:Message>
<t:MessageXml xmlns:t="http://schemas.microsoft.com/exchange/services/2006/types">
<t:Value Name="BackOffMilliseconds">97869</t:Value>
</t:MessageXml>
</detail>
</s:Fault>
</s:Body>
</s:Envelope>

本人想把这个数据记录下，采用的 ExchangeService 类 。请大神帮忙！！谢谢了！！