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Package有一个标识ID，这个ID是GUID，如果通过一个已经存在的Package复制一个Package，那么这两个Package的Name和GUID是相同的，可以在Properties中Identification 目录中重新生成GUID，并重命名Name属性。
Log data includes the name and the GUID of the package to which the log entries belong. If you create a new package by copying an existing package, the name and the GUID of the existing package are also copied. As a result, you may have two packages that have the same GUID and name, making it difficult to differentiate between the packages in the log data.
To eliminate this ambiguity, you should update the name and the GUID of the new packages. In SQL Server Data Tools (SSDT), you can regenerate the GUID in the ID property and update the value of the Name property in the Properties window.
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原文地址：http://www.cnblogs.com/ljhdo/p/4821708.html
