BizTalk URI DNS更改 [英] BizTalk URI DNS change

问题描述

当DNS记录（在  URI中使用）更新为新的IP地址时，BizTalk（2009版和2013版）是否需要重新启动主机实例？ 在其他工作中，主机实例是否缓存了对于URI的DNS条目
的IP地址解析？ 

Does BizTalk (version 2009 and 2013) require a host instance restart when the DNS record (used in the URI)  is updated to a new IP address ?  In other works, does the host instance cache the IP address resolution of the of the DNS entry for the URI? 

我的接口系统之一每月都失败了。 相关的DNS记录使用不同的IP地址进行更新，BizTalk Server操作系统会在几分钟内反映出此更改。  如果我不需要，我宁愿不必循环
并重新启动主机实例。

One of my interfacing systems is failed over monthly.  The related DNS a record is updated with a different IP address and the BizTalk Server operating systems reflect this change within minutes.   And I'd prefer to not have to cycle through and restart host instances if I don't have to.

谢谢。

-Mike

推荐答案

如果需要任何手动干预，则不会BizTalk本身需要它。

If any manual intervention is necessary, it wouldn't be BizTalk itself that requires it.

整个IP堆栈（包括DNS）由Windows管理，因此您的问题将与Windows网络堆栈中的缓存刷新有关。 您可以使用
ipconfig / flushdns 强制执行此操作。

The entire IP stack, including DNS, is managed by Windows so your issues would be with the cache refresh in the Windows network stack.  You can force this with ipconfig /flushdns.

但是，DNS条目有一个TTL（生存时间） ）Windows尊重所以Windows本身不会刷新地址映射，直到TTL过期。

However, DNS entries have a TTL (time to live) which Windows respects so Windows itself will not refresh an address mapping until the TTL expires.

意思是，正确处理这个问题的方法是将条目的TTL缩短到你的某个时间间隔内。故障转移窗口。

Meaning, the correct way to handle this is to shorten the TTL of the entry to some interval within your failover window.

BizTalk Server应该不知道并且对更改不感兴趣。 但你应该测试一下。

BizTalk Server should be unaware and uninterested in the change.  But you should test to be sure.

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